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Ok my i have the VIN off my donor truck but any of the decoders online say I have an invalid VIN.
Here it is:
1FTET14N3SLA13052
The donor was a 1995 F150, 5.0l, 4R70W, 4X4
Im trying to figure out which engine and wiring I should use because Im having trouble getting my pickup running good and the haynes has different engine wiring diagrams for the different 5.0 engines. Which is the VIN engine digit for ID the engine?
Also, the 95 donor had a grey TFI mounted on the fender, and mine has it set up like a 90 with the TFI on the distributor. One of the things I need to check is if the dwell is computer controlled on both trucks or if the PCM from the donor is trying to controll the dwell and the distributor thats on it wont let it. So can anyone tell me if the dwell on the 95 donor was computer controlled or not?
8th digit is engine. N=5.0
and I don't realy understand your other questions. Be more specific on what your truck is now, what you have for parts, and what your trying to acomplish.
Also, the 95 donor had a grey TFI mounted on the fender,
That is the wrong one for a 95, it should have a black one.
Originally Posted by Bovaloe
and mine has it set up like a 90 with the TFI on the distributor. One of the things I need to check is if the dwell is computer controlled on both trucks or if the PCM from the donor is trying to controll the dwell and the distributor thats on it wont let it. So can anyone tell me if the dwell on the 95 donor was computer controlled or not?
The 1990 is push-start ignition and uses the gray ICM (TIF) and does not have CCD (Computer Controled Dwell).
The 1995 truck is a CCD truck but the PCM can not control the Dwell with a gray module nore can it check on the condition of the Ignition System with a Gray Module (The IDM would be missing).
Also the 1990 and 1995 5.0L engines have different firing orders, one truck is MAP and the other is MASS, one is bank injecton and the other is SFI.
Im in the middle of a 408w swap and a MAF conversion on my 1991 F150.
The main donor truck was a 1995 F150, 4R70W, 5.0l, 4x4. I got the wiring harness and the PCM out of it.
Also used some engine parts off a 1990 Bronco, 5.8l, AOD
I have all the wiring and engine in, PCM was shipped off and tuned and chipped for my application. My engine is surging and not idling, that is what Im trying to fix.
Ive been talking to the tech support at the place that chipped my PCM and Ive been checking everything out.
One thing I need to check is the TFI and dwell situations. The distributor is off the 90 Bronco with the TFI on it. The TFI on the 95 was gray unless I was looking at something else. It was located on the inner fender up near the firewall on the driver side.
My question is if the PCM is trying to control the dwell or not?
The PCM kept the stock settings except for the displacement, increased injector size and tuning for the cam.
The PCM came out of the truck with a gray TFI, is it trying to controll the dwell or not?
Someone put the wrong Gray ICM in the 95 truck.
The 1993 was the last truck to use the Gray ICM.
The Computer can not control the Dwell with a GAY ICM.
But the Computer will try but can not get the job done with that GRAY Module.
Ok so I just had a friend of mine look up a TFI at the auto parts store he works at and it only comes up in the computer as a gray dist mounted setup for 94-96 F150s. The donor truck was a C4C trade-in that made it to the junkyard so it was at least running good enought to drive to the dealer, so Im thinking the gray TFI is the correct one.
Are there flaws in my thinking?
Ok so I just had a friend of mine look up a TFI at the auto parts store he works at and it only comes up in the computer as a gray dist mounted setup for 94-96 F150s.
The Auto Parts store computer is wrong.
Also some Ford dealers Computers are wrong on this one.
If you look at how it is wired you can plainly see that their computers are wrong.
A gray one takes a start wire and you do not have one with a CCD system.
A CCD Computer take an IDM input from the ICM and a Gray one does not have this output.
Look at any 1994 on truck Ignition wiring diagram and you will see there is not any start wire to the ICM.
Originally Posted by Bovaloe
The donor truck was a C4C trade-in that made it to the junkyard so it was at least running good enought to drive to the dealer, so Im thinking the gray TFI is the correct one.
Are there flaws in my thinking?
Yes, a lot of the trucks have the wrong ICM in them because all of the auto part stores have the wrong information in their computers for the 1994-96 trucks. Some of the Ford dealers know of this problem and other do not.
A CCD computer will run a truck with gray one but not as good as it will with a black one. It will also set a CM code in the computer that it is not receiving IDM information and some states in their vehicle emission inspection will not pass a truck that has a code set.
It does not sound like you read the PDF that I linked to above.
I am going any further in this discussion on the ICM as I have gave you all the information that you asked for and it does not seem like you believe anything I say.
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