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Received: with LISTAR (v0.128a; list 80-96-list); Fri, 21 Apr 2000 10:01:53 -0400 (EDT) Date: Fri, 21 Apr 2000 10:01:53 -0400 (EDT) From: Ford Truck Enthusiasts List Server To: 80-96-list digest users Reply-to: 80-96-list  ford-trucks.com Subject: 80-96-list Digest V2000 #66 Precedence: bulk ========================================================== Ford Truck Enthusiasts 80-96 Truck Mailing List Visit our web site: http://www.ford-trucks.com To unsubscribe, send email to: listar ford-trucks.com with the words "unsubscribe 80-96-list" in the subject of the message. ========================================================== ------------------------------------ 80-96-list Digest Thu, 20 Apr 2000 Volume: 2000 Issue: 066 In This Issue: Re: Check Engine Light Re: Check Engine Light Re: Check Engine Light Re: Check Engine Light Manual tranny to C4 swap Gear Ratio Question Re: Check Engine Light Re: Check Engine Light Re: Check Engine Light Greetings Re: Gear Ratio Question Ford MY Transformations Re: Ford MY Transformations Pinging, valvetrain noise Re: Brakes and Steering Re: Brakes and Steering Re: Brakes and Steering Re: Pinging, valvetrain noise speedometer hepl needed Re: Need expert advice Re: 2 more brake questions Clutch Re: speedometer hepl needed Rear end codes Re: Rear end codes Re: speedometer hepl needed Check engine light Re: speedometer hepl needed Re: speedometer hepl needed Re: speedometer hepl needed More Air Bag Light Questions ---------------------------------------------------------------------- From: "Ferino, Chris" Subject: Re: Check Engine Light Date: Thu, 20 Apr 2000 09:54:00 -0500 "From what I know of Ford Trucks, they didnt come with a check engine light until the EECIII which was in 1990. Am I correct in this guys?" I don't know about others, but my old '87 Bronco had a Check Engine light. --Chris ------------------------------ Date: Thu, 20 Apr 2000 08:10:26 -0700 From: Chuck Sanborn Subject: Re: Check Engine Light Well, I have the truck in question on this thread and it has an EECIV..... and supposedly an MIL or Emissions light that I CANNOT FIND! At 09:54 AM 4/20/00 -0500, you wrote: >"From what I know of Ford Trucks, they didnt come with a check engine light >until the EECIII which was in 1990. Am I correct in this guys?" > >I don't know about others, but my old '87 Bronco had a Check Engine light. > >--Chris >========================================================== >To unsubscribe, send email to: listar ford-trucks.com with >the words "unsubscribe 80-96-list" in the subject of the >message. ------------------------------ From: bennettr hiwaay.net Subject: Re: Check Engine Light Date: Thu, 20 Apr 2000 10:21:52 -0500 My 87 F150 with the EFI 4.9L has the place for the Check Engine light but no wire in the wiring harness for it. Rex -----Original Message----- From: 80-96-list-bounce ford-trucks.com [mailto:80-96-list-bounce ford-trucks.com]On Behalf Of Ferino, Chris Sent: Thursday, April 20, 2000 9:54 AM To: '80-96-list ford-trucks.com' Subject: [80-96-list] Re: Check Engine Light "From what I know of Ford Trucks, they didnt come with a check engine light until the EECIII which was in 1990. Am I correct in this guys?" I don't know about others, but my old '87 Bronco had a Check Engine light. --Chris ========================================================== To unsubscribe, send email to: listar ford-trucks.com with the words "unsubscribe 80-96-list" in the subject of the message. ------------------------------ Date: Thu, 20 Apr 2000 08:35:29 -0700 From: Chuck Sanborn Subject: Re: Check Engine Light Do you have a schematic that shows what the wire color would be and where it would come from? Thanks, Chuck At 10:21 AM 4/20/00 -0500, you wrote: >My 87 F150 with the EFI 4.9L has the place for the Check Engine light but no >wire in the wiring harness for it. > >Rex > >-----Original Message----- >From: 80-96-list-bounce ford-trucks.com >[mailto:80-96-list-bounce ford-trucks.com]On Behalf Of Ferino, Chris >Sent: Thursday, April 20, 2000 9:54 AM >To: '80-96-list ford-trucks.com' >Subject: [80-96-list] Re: Check Engine Light > > >"From what I know of Ford Trucks, they didnt come with a check engine light >until the EECIII which was in 1990. Am I correct in this guys?" > >I don't know about others, but my old '87 Bronco had a Check Engine light. > >--Chris >========================================================== >To unsubscribe, send email to: listar ford-trucks.com with >the words "unsubscribe 80-96-list" in the subject of the >message. > > >========================================================== >To unsubscribe, send email to: listar ford-trucks.com with >the words "unsubscribe 80-96-list" in the subject of the >message. ------------------------------ Date: Thu, 20 Apr 2000 10:10:09 -0700 From: Chuck Sanborn Subject: Manual tranny to C4 swap I am toying with the idea of pulling the C4 out of my 64 Falcon and replacing it with an AOD. The question for the group is how much of a PITA would it be to fit a 70's C4 into the F150 that now has the Ford 3 speed manual. Thanks, Chuck Chuck Sanborn Torrance, CA 1986 F150 six banger (Hers) 1964 Falcon Sprint ------------------------------ From: "Eric Larsen" Subject: Gear Ratio Question Date: Thu, 20 Apr 2000 10:32:26 -0700 I have a '96 Bronco 5.8L with and E40D, 3.55 axle gear ratio, factory limited-slip rear, and 32X11.5R-15 Tires. The engine turns around 1700 RPM in OD at 70 MPH. It is really a slug on any significant grade and I usually need pop it into 3rd to avoid lugging. I am considering changing the gear ratio to either a 3.73 or 4.10. If anyone has experience or opinions on what the better ratio would be I would like to know. I had heard somewhere that going to the 4.10 required the replacement of additional parts. The rig is a daily driver and will infrequently be used to pull a trailer in the 5,000 lb range. Also - does anyone know where the EEC-IV unit is located in this vehicle? Eric Larsen Maple Valley, WA elarsen khm1.com ------------------------------ From: DTrowbridge webtv.net (David Trowbridge) Date: Thu, 20 Apr 2000 12:48:37 -0500 (CDT) Subject: Re: Check Engine Light my 85 F-150 does not have a check engine light. it only has an emmisions light. if they are trying to tell you that you have one, then go down to a Ford dealer to the parts dept and ask them for a check engine light. from there just have the guy at the counter write down on paper saying that your truck never came with one. have him sign it and try to get the parts manager sign it to. if they don't accept the paper, take it to Ford and have them back you. David 85 F-150 300 I6 ------------------------------ Date: Thu, 20 Apr 2000 10:59:14 -0700 From: Chuck Sanborn Subject: Re: Check Engine Light At 12:48 PM 4/20/00 -0500, you wrote: >my 85 F-150 does not have a check engine light. it only has an >emmisions light The failure notice on the visual portion of the test does say "Check Engine Light", although they also interpret that as "Emissions Light" with some other verbage that covers their butt in that aspect. I think I could beat it depending upon the mood of the referee since the motor does run so clean. It's ridiculous to think that a light that is supposed to come on every 60,.000 miles would be the reason for a failure. Heheheh, nice call though. ------------------------------ Date: Thu, 20 Apr 2000 11:38:26 -0700 From: Marv & Marge Miller Subject: Re: Check Engine Light Wayne Foy wrote, in part: > >From what I know of Ford Trucks, they didnt come with a check engine light > until the EECIII which was in 1990. Am I correct in this guys? My '89 F-250 with 302 has a "Check Engine" light 2 5/8 inches above the center of the windshield wiper switch. -Marv- ------------------------------ Date: Thu, 20 Apr 2000 14:50:23 -0500 From: "Michael Masse" Subject: Greetings Howdy Folks, I'm new to this list, but I've been on the Pre-80 list for quite some time now. I've just picked up an 87 F250 8600 lb GVWR 460 C6 4x4 to tow my 78 Bronco with. Although this is still a Duraspark II system, there are quite a few differences between this engine and the one on the Bronco. One of the problems I'm having is that there is a small coolant leak, and it appears to be coming from between the block and the timing chain cover. This job in itself doesn't look bad to fix, but there are two air pumps that are going to be in the way for this job, and anything else I might want to do with it later on down the road. The spaghetti mess of air hoses is insane and I'm going to yank all of that stuff. Since it's a 8000+ GVWR truck, it's cat exempt, and we have no emissions testing here to speak of. I'm curious if anyone has any experience doing this, and has any advice for things to watch out for when I do it. Also, looking in the owners manual, it shows a factory gauge cluster with a tach. If I come across one of these in a junkyard, is there any reason why it wouldn't be a direct swap with the one I currently have? Mike ------------------------------ From: FLR150 aol.com Date: Thu, 20 Apr 2000 16:34:58 EDT Subject: Re: Gear Ratio Question In a message dated 4/20/00 1:32:07 PM Eastern Daylight Time, elarsen khm1.com writes: < < Does anyone know where the EEC-IV unit is located in this vehicle? > > Eric, It is behind the drivers side kick panel, behind the parking break pedal. If you look under the hood, you can see the main connector going to it on the firewall right next to the fender. Later, Wayne Foy 94 Flareside SC 1999 Fun Ford Weekend Racing series #2 Top Truck ------------------------------ From: Fred Moreno Subject: Ford MY Transformations Date: Thu, 20 Apr 2000 14:51:22 -0600 Very Fast Wayne wrote: From what I know of Ford Trucks, they didnt come with a check engine light until the EECIII which was in 1990. Am I correct in this guys? Later, Wayne Foy 94 Flareside SC 1999 Fun Ford Weekend Racing series #2 Top Truck Phred Replies: Ford had the Duraspark (EEC III) system for the F-150 throughout most of the late 70's and mid 80's. With the gas crisis(s) and environmental panics, the big three were under intense pressure to develop more efficient and cleaner engines. By the mid 80's Ford was ready with its first large scale production of the Electronic Fuel Injection system, the EEC-IV with the TFI-IV module. There have been variations of this system since, and many bugs worked out. For example the early versions had the TFI-IV module mounted right on the distributor, which in many cases lead to premature failure of the electronics - heat and electronics don't mix too well, and the distributor is basically a very good heat sink. Starting with the late 84 and 85 model year (MY), California F-150 trucks began hitting the market with this new electronic fuel injection system, and the rest of the country starting seeing the same shortly after. However during the 85, 86 and even 87 MY's, one could get an F-150 with a combination of equipment under the hood. Ford still had stock and inventory for a lot of Duraspark ignition modules, carburetors, linkages,...The industry was a little slower adapting to changes back then, not like today where we have pretty fair Just-In-Time delivery and consumption system in most computer based businesses. Of course this also applies to the other (no-less important) members of the big three. In my-then business of aftermarket electronics application for Propane and CNG conversions, we got to experience a few interesting combinations. When we would get a request for such a transitional MY, we often requested in return that the hood be raised and its contents inspected carefully. Just because a truck was an 86 MY did not guarantee that it had a fuel injection system under the hood, it could of very well had an electronically controlled carburetor. Once we got into the 88 MY, everything was pretty well settled for the F-150's. F-250's and F-350's are of course a different story. They did not go to EFI - TFI until a few years later, so then again one could end up with an 89 3/4 ton truck and still have a carburetor/Duraspark system. With the bigger delivery truck like the bobtails it is not uncommon to find a 90 or 91 MY with the Carbureted/Duraspark system. By 92/93 these bigger fleet trucks had pretty much gone to EFI - TFI systems across the board. Hope this helps clarify some reasons why we sometimes have inconsistencies and also why this list has been so helpful. Please correct any information I typed, I did this really quick while I had some free time at work. Phred, KD5AQB 1995 F-150: last F-150 MY with OBD I Diagnostics, 1996 MY had OBD II Diagnostics, same body style but completely different electronics package. ------------------------------ Date: Thu, 20 Apr 2000 14:19:26 -0700 From: Chuck Sanborn Subject: Re: Ford MY Transformations At 02:51 PM 4/20/00 -0600, you wrote: >However during the 85, 86 and even 87 MY's, one could get an F-150 with a >combination of equipment under the hood. Ford still had stock and inventory >for a lot of Duraspark ignition modules, carburetors, linkages Uhhhh, yep....EEC IV with 1 bbl carb on 4.9L with TFI heatsink Chuck Sanborn Torrance, CA 1986 F150 six banger (Hers) 1964 Falcon Sprint ------------------------------ From: "Kyle Pacatte" Subject: Pinging, valvetrain noise Date: Thu, 20 Apr 2000 16:19:06 -0500 Help, I have a 94 F-150 4X4, with 302 & manual tranny. 57,000 miles. The truck has a ping or spark knock, I tried turning the timing down, but computer automatically sets it to where it is needed. Set a 10, the truck pings at around 2000 RPM. I've heard that it could be the IAC valve, EGR valve, O-2 sensors, or an intake problem. The truck also uses one quart of oil every 800 miles. It seems to hesitate in the lower RPM range, not a lot of power. I changed the plugs and wires, there is no sign in the exhaust that it is burning oil. No check engine light! I'm trying to narrow down the problem, any suggestions would be appreciated. Thanks klpac fgi.net ------------------------------ From: BanksRVA aol.com Date: Thu, 20 Apr 2000 17:31:19 EDT Subject: Re: Brakes and Steering Maybe I'm a bit slow, but I have never messed with brake drums on a 1 ton before. The vehicle is an 82 Econoline 350. Today I took off the wheel, removed the 8 bolts off the hub, and pulled the axle out. What I am left looking at is a very large in diameter nut. Is that what I need to take off to get the drum off? If so, does anyone know the size or if it is available at local parts stores? Also, a bit off gear oil dripped out. Is this normal or do I have a seal leaking? I am assuming I should repack the wheel bearings. What kind of grease do I use? Also, I have a lot of play in the steering. Is the little nut/screw thing on the steering gear the adjustment? Do I just loosen the nut and turn the screw in? Thanks!!! Joe ------------------------------ Date: Thu, 20 Apr 2000 17:41:52 -0400 From: James Oxley Subject: Re: Brakes and Steering BanksRVA aol.com wrote: > > Maybe I'm a bit slow, but I have never messed with brake drums on a 1 ton > before. > The vehicle is an 82 Econoline 350. Today I took off the wheel, removed the 8 > bolts off the hub, and pulled the axle out. What I am left looking at is a > very large in diameter nut. Is that what I need to take off to get the drum > off? Yes >If so, does anyone know the size or if it is available at local parts > stores? Most decent auto parts stores should have that hub nut removal tool. >Also, a bit off gear oil dripped out. Is this normal or do I have a > seal leaking? Normal, bearings are lubed by gear oil. >I am assuming I should repack the wheel bearings. No! >What kind of grease do I use? None! > Also, I have a lot of play in the steering. Is the little nut/screw thing on > the steering gear the adjustment? Yes >Do I just loosen the nut and turn the screw in? Yes, but not too far or you will bind it up. Try very small increments. OX > Thanks!!! > Joe > ========================================================== > To unsubscribe, send email to: listar ford-trucks.com with > the words "unsubscribe 80-96-list" in the subject of the > message. ------------------------------ From: BanksRVA aol.com Date: Thu, 20 Apr 2000 18:24:27 EDT Subject: Re: Brakes and Steering Thank you Ox Joe ------------------------------ From: FLR150 aol.com Date: Thu, 20 Apr 2000 19:00:45 EDT Subject: Re: Pinging, valvetrain noise In a message dated 4/20/00 5:28:42 PM Eastern Daylight Time, klpac fgi.net writes: << No check engine light! I'm trying to narrow down the problem, any suggestions would be appreciated. Thanks klpac fgi.net >>Kyle, Been there. Have you pulled the SPOUT plug out before setting the timing? If you haven't, it will change back to where it was. The spout disconnects the ECM control over the timing circuit. Also you need to run the KOER codes. That is Key On Engine Running. I had a problem like this. If it is the same problem I had, it will throw a 225 code meaning "Knock Sensor Signal not detected during dynamic response test". Basically the knock sensor circuit controls the timing and fuel advance portions of the programming. If you get this code, email me off list. The fix is quick, but rather painful to accomplish, unless you are a 6 fingered triple jointed small person. Later, Wayne Foy 94 Flareside SC 1999 Fun Ford Weekend Racing series #2 Top Truck ------------------------------ From: "Onion" Subject: speedometer hepl needed Date: Thu, 20 Apr 2000 20:45:08 -0400 I have a 95 f250 4x4 diesel that the speedometer is jumping 5-10 mph , the transmission is also shifting rough and at the wrong time. I have checked the wiring from the rabs unit to the speed senor on the rearend also replaced the speed senor and reseated the connectors to the speedometer. Am I in the ballpark? what next ? thanks Onionman ------------------------------ From: "Serian" Subject: Re: Need expert advice Date: Thu, 20 Apr 2000 20:48:58 -0400 > The engine works fine. I can't say the same for the starter. > When you start it, it makes a horrible grinding noise, and is > destroying the teeth of the flywheel. So he went back and > got the bell housing and flywheel from the same Ranger. > Same results. He has tried five different starters and two > different flywheels, with the same results. First thing to check is the connections and voltages at the battery, the solenoid, and the starter terminal. Any chunk of corrosion or looseness may decrease cranking power and not bring the starter drive into full mesh with the flywheel teeth. Check to make sure the starter is fully bolted up to the bell housing. A loose starter will make a lot of racket, but wont spin the engine. Less commonly, make sure the starter is the right one for your year, make, model, and transmission ... some starters are made slightly different than others, and have different throw length. And for an unusual one ... try changing out the old solenoid-to- starter wire. I have only encountered the phenomenon once, in a 1979 Thunderbird, but the wire that carries starting current may have raised in resistance enough to not allow enough current to the starter to operate it properly. Good luck :-) ------------------------------ From: BanksRVA aol.comDate: Thu, 20 Apr 2000 21:41:47 EDT Subject: Re: 2 more brake questions Hey folks, Ox already answered some brake questions for me but I have 2 more concerning my 82 Econoline 350. The first concerns the nut holding on my rear drums. I could swear it was a standard nut, but all I could find at four different auto stores was 6 point sockets for 4x4's. Is this what I need and I just didn't see it? Or is it a standard socket that I need? Second, how tight should the nut be for the front rotors? Thanks again, Joe ------------------------------ Date: Thu, 20 Apr 2000 21:16:13 -0500 From: Buck Shoff Subject: Clutch Hi All, I have a new to me 1986 F250 with a granny low 4 speed (T-18?) and a hydralic actuated clutch. I just installed a new clutch, pp, and throw out bearing. The clutch now seems to work fine. However, with the clutch engaged, the slave cylinder has enough residual pressure to keep the throw out bearing resting on the fingers of the pressure plate. When the engine is running, the throw out bearing is turning all the time. I've done alot of clutches, but they were all linkage operated and adjusted to allow for free travel. I have read that there is no free travel in the hydralic actuated clutch. If this is so, should my throw out bearing be turning all of the time? Thanks. Buck Shoff ------------------------------ From: FLR150 aol.comDate: Thu, 20 Apr 2000 22:43:38 EDT Subject: Re: speedometer hepl needed Onionman, I would check the TPS voltage. This could cause these problems. The voltage should be no more than .98 at fully closed. Later, Wayne Foy 94 Flareside SC 1999 Fun Ford Weekend Racing series #2 Top Truck ------------------------------ From: SOBFROGG webtv.net (Scott Mummery)Date: Thu, 20 Apr 2000 22:12:23 -0500 (CDT) Subject: Rear end codes Hey Wayne, you seem quite up on all this fun Ford stuff. Do you know how decipher the code tag that is attached to the rearend cover? I am trying to find out if a friend rearend has 28 or 31 spined axel shafts. Thanks Scott Mummery 95 F-150 Flareside SC 4X4 w/ 5.8L 86 Mustang street/strip ------------------------------ From: FLR150 aol.comDate: Thu, 20 Apr 2000 23:35:37 EDT Subject: Re: Rear end codes In a message dated 4/20/00 11:13:01 PM Eastern Daylight Time, SOBFROGG webtv.net writes:<< I am trying to find out if a friend rearend has 28 or 31 spined axle shafts. > Scott, There is no quick way to do that, besides pulling a hub and counting them yourself...=). I could cross reference it for you if I had the VIN and axle code. That's the only 2 ways to do it. Unless of course it is a truck, than most will have 31 splines from 1990 up. Later, Wayne Foy 94 Flareside SC 1999 Fun Ford Weekend Racing series #2 Top Truck ------------------------------ Date: Fri, 21 Apr 2000 00:35:59 -0400 From: Harold Norman Subject: Re: speedometer hepl needed Hey Mr. Pungent Edible Bulb- > I have a 95 f250 4x4 diesel that the speedometer is jumping 5-10 mph , the > transmission is also > shifting rough and at the wrong time. I have checked the wiring from the > rabs unit to the speed senor > on the rearend also replaced the speed senor and reseated the connectors to > the speedometer. > Am I in the ballpark? what next ? I am going to cut-and-paste and slightly edit a posting I just made to another list ( http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.bronco.  com/lmb ). If it'sdisjointed, then I apologize. I can clarify any comments later. Oh... and I am taking some text from others w/o credit too. This way any blame or flames can be directed solely at me. ----- % cut here % ----- Could the PSOM be on the fritz? I don't know about the F-250, but on a '95 Bronco w/ E4OD the PSOM processes the VSS signal which drives the speedometer display -and- goes on to the PCM. I am wondering if your shifting problems are not a side-effect of the bad PSOM ( PCM = Powertrain Control Module ). Does your speedo sweep out smoothly? From the Ford manual: To check for normal operation, hold the reset button ( trip odometer ) down as the key is turned from off to run. The needle is suppose to make a clean smooth sweep of the gauge. If the speedo did not "prove out" as indicated, then that might be pretty serious. When my PSOM failed it proved out fine. However the cruise control did not work. The tranny shifted O.K. I figured that was because the speed signal was so erratic that on average the tranny should do nothing. The only sign that the tranny might be hiccupping was at highway speeds on the Mass. State Speedway ( Turnpike ). Back to the "prove out." In the '95 manual, it states to make sure your power and ground connections are good and check again. If the speedo does not sweep out correctly, then your SOL ( S*** Outta Luck ). A year ago a PSOM was available on the cheap ( ~$150 ) and now you may be looking at ~$275 at 25% off Ford retail. Prices almost doubled after Sep. '99. AFAIK, there is no publicly available schematic to do any electronic trouble-shooting of the PSOM. Only specific speedo "centers" touch the units. No schematic makes trouble-shooting a PSOM a real problem. This expensive replacement might not be the problem. I'll just mention that it is a rather common occurrence... the Programmable Speedometer/Odometer Modules ( PSOMs ) fail a lot. I hear this is especially true of the Taurus'. Perhaps there are just so many more of those that the sheer numbers made it obvious Ford stuck a rather unrealiable part into many of their vehicles. Lastly, after crawling about my truck for a long while looking for my speedo problem, I opted to replace the PSOM. If you go this route, then you can try a boneyard ( ~$200; may have trouble w/ calibration as '95 PSOM can be reset only six times... the number of changes remaining is displayed only while hooked up ). Remanufactured from Ford, I would recommend looking for 25% off via http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.worldparts.com/ ( IIRC ). Your core charge will be a bundle! I went through Sarat Ford in Agawam, Mass. for ~$275 . Replacement is a breeze with patience. ----- % cut here % ----- HTH. -- HN ------------------------------ From: "James" Date: Fri, 21 Apr 2000 07:55:53 -0500 Subject: Check engine light My 1989 F150 with a 300 six and Mazda 5 speed has a check engine light. BTW, it blinks when the engine is cold but goes out after the engine warms up and only does this in cold weather. Can someone with a manual tell me how to pull the "codes"? Thanks, James Hiers > From what I know of Ford Trucks, they didnt come with a check engine light > until the EECIII which was in 1990. Am I correct in this guys? > ------------------------------ From: "Onion" Subject: Re: speedometer hepl needed Date: Fri, 21 Apr 2000 08:17:37 -0400 Checked the psom as suggested it sweeps full and smooth however in the odometer it displays "E 08 6" does anyone know what this code means? thanks Onion ----- Original Message ----- From: Harold Norman To: <80-96-list ford-trucks.com>Sent: Friday, April 21, 2000 12:35 AM Subject: [80-96-list] Re: speedometer hepl needed > Hey Mr. Pungent Edible Bulb- > > > I have a 95 f250 4x4 diesel that the speedometer is jumping 5-10 mph , the > > transmission is also > > shifting rough and at the wrong time. I have checked the wiring from the > > rabs unit to the speed senor > > on the rearend also replaced the speed senor and reseated the connectors to > > the speedometer. > > Am I in the ballpark? what next ? > > I am going to cut-and-paste and slightly edit a posting I just > made to another list ( http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.bronco. com/lmb ). If it's> disjointed, then I apologize. I can clarify any comments later. > Oh... and I am taking some text from others w/o credit too. > This way any blame or flames can be directed solely at me. > > ----- % cut here % ----- > > Could the PSOM be on the fritz? I don't know about the F-250, but > on a '95 Bronco w/ E4OD the PSOM processes the VSS signal which > drives the speedometer display -and- goes on to the PCM. > I am wondering if your shifting problems are not a side-effect > of the bad PSOM ( PCM = Powertrain Control Module ). > > Does your speedo sweep out smoothly? > > From the Ford manual: > > To check for normal operation, hold the reset button > ( trip odometer ) down as the key is turned from off > to run. The needle is suppose to make a clean smooth > sweep of the gauge. > > If the speedo did not "prove out" as indicated, then that might > be pretty serious. > > When my PSOM failed it proved out fine. However the cruise control did > not work. The tranny shifted O.K. I figured that was because the speed > signal was so erratic that on average the tranny should do nothing. > The only sign that the tranny might be hiccupping was at highway > speeds on the Mass. State Speedway ( Turnpike ). > > Back to the "prove out." In the '95 manual, it states to make > sure your power and ground connections are good and check again. > If the speedo does not sweep out correctly, then your SOL > ( S*** Outta Luck ). > > A year ago a PSOM was available on the cheap ( ~$150 ) and now you > may be looking at ~$275 at 25% off Ford retail. Prices almost doubled > after Sep. '99. AFAIK, there is no publicly available schematic to do > any electronic trouble-shooting of the PSOM. Only specific speedo > "centers" touch the units. No schematic makes trouble-shooting a PSOM > a real problem. > > This expensive replacement might not be the problem. I'll just > mention that it is a rather common occurrence... the Programmable > Speedometer/Odometer Modules ( PSOMs ) fail a lot. I hear this > is especially true of the Taurus'. Perhaps there are just so many > more of those that the sheer numbers made it obvious Ford stuck > a rather unrealiable part into many of their vehicles. > > Lastly, after crawling about my truck for a long while > looking for my speedo problem, I opted to replace the PSOM. > If you go this route, then you can try a boneyard ( ~$200; > may have trouble w/ calibration as '95 PSOM can be reset > only six times... the number of changes remaining is displayed > only while hooked up ). Remanufactured from Ford, I would > recommend looking for 25% off via http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.worldparts.com/ > ( IIRC ). Your core charge will be a bundle! I went > through Sarat Ford in Agawam, Mass. for ~$275 . > > Replacement is a breeze with patience. > > ----- % cut here % ----- > > HTH. > > -- HN > ========================================================== > To unsubscribe, send email to: listar ford-trucks.com with> the words "unsubscribe 80-96-list" in the subject of the > message. > ------------------------------ Date: Fri, 21 Apr 2000 08:48:53 -0400 From: Harold Norman Subject: Re: speedometer hepl needed Onion wrote: > > Checked the psom as suggested it sweeps full and smooth however > in the odometer it displays > "E 08 6" does anyone know what this code means? English ( "E"; MPH ) vs. other ( "o"; KPH ), ROM Version 08; Six ( 6 ) conversion constant changes still left in the PSOM for ( nobody has changed the PSOM since its install ). > thanks You are welcome. -- HN ------------------------------ From: "Onion" Subject: Re: speedometer hepl needed Date: Fri, 21 Apr 2000 09:02:39 -0400 Thanks onion ----- Original Message ----- From: Harold Norman To: <80-96-list ford-trucks.com>Sent: Friday, April 21, 2000 8:48 AM Subject: [80-96-list] Re: speedometer hepl needed > Onion wrote: > > > > Checked the psom as suggested it sweeps full and smooth however > > in the odometer it displays > > "E 08 6" does anyone know what this code means? > > English ( "E"; MPH ) vs. other ( "o"; KPH ), > ROM Version 08; Six ( 6 ) conversion constant > changes still left in the PSOM for ( nobody > has changed the PSOM since its install ). > > > thanks > > You are welcome. > > -- HN > ========================================================== > To unsubscribe, send email to: listar ford-trucks.com with> the words "unsubscribe 80-96-list" in the subject of the > message. > ------------------------------ Date: Fri, 21 Apr 2000 11:02:14 -0600 From: Mark Kaczmarczyk Subject: More Air Bag Light Questions Thanks folks for the advice about my Code 32 - question though, if this "clock spring" also provides switching for the horn, why does my horn continue to function as the code flashes? Is it possible it is a connector to the "clock spring" that is the problem? I am pretty good mechanically, but my Haynes manual advises abandoning all hope with air bag equipped wheels and says to go to the dealer to remove. Does the wheel have to come off to replace the clock spring? -- Mark Kaczmarczyk ------------------------------ End of 80-96-list Digest V2000 #66 ********************************** ---------------------------------------------------------- Ford Truck Enthusiasts 80-96 Truck Mailing List Send posts to 80-96-list ford-trucks.comIf you ever want to remove yourself from this mailing list, send an email to: listar ford-trucks.comwith the words "unsubscribe 80-96-list" in the subject of the message. Visit Our Web Site: http://www.ford-trucks.com ---------------------------------------------------------- .... To access the rest of this feature you must be a logged in Registered User Of Ford Truck Enthusiasts
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