10k question..
Senior User
Joined: Aug 2003
Posts: 281
Likes: 0
From: Port Orchard, WA
Very cool mod for sure. May be the 02-03 programmer has something to do with it also? Glad it works for you too. I've been driving kinda hard lately just to play it out a bit and still getting 22.9. Where I normally do 60, I am pushing 70 + just to see if it really puts the strain on the mpg but so far at 22.9 in town, I am VERY happy... I see you are in tacoma. I work in UP at the high school... Curtis... post some pixs so I know who I'm waving too.
Freshman User
Joined: Feb 2004
Posts: 49
Likes: 0
Yeah, i saw that too, but curiosity got the better of me and i decided to try it in spite of my superchip. It does have little effect. Ive got it hooked up to a switch in the cab ( got the big safety flip cover and everything, mounted on the side of my 4x4 shifter ) and if i torque it up (powerbrake) without breakin the tires loose, up to 1000 rpm, and hit the switch, the tach makes a jump of approximately 200-300 rpm. Or another example would be, when i'm holding it at 50mph and flip the switch, it makes enough difference to cause the torque converter to lock up.
No major increases in power, but for twenty cents, and the time it kept me amused installing it, it was worth it in my opinion.
No major increases in power, but for twenty cents, and the time it kept me amused installing it, it was worth it in my opinion.
Freshman User
Joined: Oct 2003
Posts: 28
Likes: 0
From: Greenville, SC
I think that I will try the ICP clamping circuit as noted. This uses three 1 amp diodes and a 470 ohm resistor in series replacing the 10K. This is supposed to help keep the Idle range normal until you get on it. The very inteligent person that thought this up is named "Fred".
When I get my monster out of the shop (Replacing pinion seal and yoke with wear groove) I will give this a serious shot.
I also want to apoligize for noting another site, but, I thought this would be of some significant help for those great experimentors and power seekers out there. This site has helped me so much in the past, I hope to return the favor any chance that I get!!!!! I wish to THANK ALL AGAIN. MAC (The Retired Sailor)
When I get my monster out of the shop (Replacing pinion seal and yoke with wear groove) I will give this a serious shot.
I also want to apoligize for noting another site, but, I thought this would be of some significant help for those great experimentors and power seekers out there. This site has helped me so much in the past, I hope to return the favor any chance that I get!!!!! I wish to THANK ALL AGAIN. MAC (The Retired Sailor)
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
cuttr28, jamesbfishing
You can install a relay that is switched by the accelerator pedal. The instructions can be found by doing a site search for "switched resistor". I used speaker wire from th ICP sensor to the relay, splicing the resistor in one side, and mounted it under the dash. I have a toggle switch spliced inline between the trigger wire from the pedal and the relay if I want to turn it off (surges when trying to drive slowly on a rough road). I soldered the relay to the toggle switch terminal, since the relay was designed to used with a PC board.
You can install a relay that is switched by the accelerator pedal. The instructions can be found by doing a site search for "switched resistor". I used speaker wire from th ICP sensor to the relay, splicing the resistor in one side, and mounted it under the dash. I have a toggle switch spliced inline between the trigger wire from the pedal and the relay if I want to turn it off (surges when trying to drive slowly on a rough road). I soldered the relay to the toggle switch terminal, since the relay was designed to used with a PC board.
More Turbo
Joined: Feb 2004
Posts: 727
Likes: 2
From: Seaside NJ
One other question if the resistor is wired into a switch is it safe to assume that it can be turned on and off while the truck is running, being that it can also be run off the go pedal?
mueckster, what type of relay did you use for the trigger switch and how did you tie it into the accelerator pedal?
mueckster, what type of relay did you use for the trigger switch and how did you tie it into the accelerator pedal?
Last edited by jamesbfishin; Mar 10, 2004 at 11:13 AM.
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Senior User
Joined: Jun 2003
Posts: 372
Likes: 0
From: Dayton, OH
Hey guys, I'm just getting ready to install this mod. But a friend of mine in my squadron with a dodge is interested in the same thing. Do any of you guys know if there is something similar available for the Cummins?
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
jamesbfishing,
Yes, it is safe to switch it off while the engine is running. If you hold the pedal above an idle, you can tell an increase in speed when the resistor is switched back on. I used a 0.5 amp SPST Reed Relay from Radio Shack, part # 275-233. The wiring diagram is on the back of the package. One end of the coil is wired with a wire tap connector to the red wire w/ green stripe(wires above the plug on the accelerator pedal) and the other is connected to a ground. When the coil closes the contacts inside the relay, it connects the other two terminals to complete the circuit for the resistor and wiring that is spliced across them.
Yes, it is safe to switch it off while the engine is running. If you hold the pedal above an idle, you can tell an increase in speed when the resistor is switched back on. I used a 0.5 amp SPST Reed Relay from Radio Shack, part # 275-233. The wiring diagram is on the back of the package. One end of the coil is wired with a wire tap connector to the red wire w/ green stripe(wires above the plug on the accelerator pedal) and the other is connected to a ground. When the coil closes the contacts inside the relay, it connects the other two terminals to complete the circuit for the resistor and wiring that is spliced across them.
Last edited by mueckster; Mar 10, 2004 at 09:22 PM.
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
I think that I will try the ICP clamping circuit as noted. This uses three 1 amp diodes and a 470 ohm resistor in series replacing the 10K.
Freshman User
Joined: Oct 2003
Posts: 28
Likes: 0
From: Greenville, SC
cookie88,
THANKS, I will go back and check it out. I found that thread a while back and they must have updated it since. Don't need to hurt the monster. It has been really great to me so far. Doing my best to take care of her!
Has anyone else tried this out yet?????
MAC
THANKS, I will go back and check it out. I found that thread a while back and they must have updated it since. Don't need to hurt the monster. It has been really great to me so far. Doing my best to take care of her!
Has anyone else tried this out yet?????
MAC
Senior User
Joined: Jul 2001
Posts: 352
Likes: 0
From: Palatka, FL
I'm gonna bump this to the top and see what the 10k mod guru's think. I like the idea of using the diodes in series with a resistor, but due to the potential damage done to the ICP, I am going to hold off on this. What I was thinking, and this may not work or be safe, is what if we were to to tap into the wire from the accelerator pedal that is 0-5 volts and use a few diodes in this tapped wire in series with a relay to ground. When the go pedal is pushed to a certain level and the voltage overcomes the diodes, the relay will close and turn on whatever resistor you may have in place of the 10k or 10k itself. Would the diodes in series with the relay coil cause too much current to flow through the pedal circuit and burn anything up? Its been a while since my electronics classes.
More Turbo
Joined: Feb 2004
Posts: 727
Likes: 2
From: Seaside NJ
Ok, tried the 10k mod today to no avail. Located the ICP on the drivers side behind my ac compressor, the alternator is on the pass side. On the plug I found 3 wires grey+red blue+red brown+white, I inserted my resistor wires into the grey+red and blue+red ports, reinstalled the plug, no SE light. good so far. Crank over engine, idle is normal, go for a ride, no noticable dif in performance at all. Tried a few times and same thing no dif. One other thing when the ICP plug is not installed I still don't get the SE light. Any thoughts. I will try another resistor in case the first one is faulty.
Freshman User
Joined: Feb 2004
Posts: 31
Likes: 0
From: Backwoods of VA
You should normally get the SES light with the ICP plug out. I had changed the fuel filter on mine and bumped the plug a little this past week and the SES would come on. I know that is not what youve got going on but I am sure it should come on any time it is unplugged. Not sure what you got but take the resistor back out of the plug and start over. I would plug the ICP back up and run the truck for a bit then unplug the ICP. If you dont get the light after going back original, then there is another issue going on. Good luck