7.3 PCM Interchange
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More Turbo
Joined: Jun 2009
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From: Michigan
7.3 PCM Interchange
Are 1999.5-2003 PCM's interchangeable? so if it is for AD injectors and an automatic you can switch them between those years? And is E series and F series the same? Same pin out?
I have a 7.3 that the glowplug circuit of the PCM won't ground the GP relay, so no GP's. Oil temp was at ambient air temp so it should've turned on the GP's
I plugged in a 1997 PCM that I have and then the GP's worked, so it's definitely a PCM problem.
I have a 7.3 that the glowplug circuit of the PCM won't ground the GP relay, so no GP's. Oil temp was at ambient air temp so it should've turned on the GP's
I plugged in a 1997 PCM that I have and then the GP's worked, so it's definitely a PCM problem.
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More Turbo
Joined: Jun 2009
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From: Michigan
I knew there are quite a few different PCM's but I didn't know there were that many different PCM's, WOW!
Make me wonder what the difference is between all of them because the programming is flashed into each one, ???
Make me wonder what the difference is between all of them because the programming is flashed into each one, ???
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From: N.GA Mountains
But, as you found out - some PCM’s will ‘work’ to some extent.
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From: Michigan
I know I tried a 2000 PCM in a 2002 once, IIRC it started but the throttle didn't work.
Does anybody know if the pinout is the same between all of the different PCM's
So like I mentioned in my original post I plugged a 1997 PCM into this truck and the GP"s worked, I then cranked it for about 15 seconds and it wouldn't start. So I don't think it'll work
Does anybody know if the pinout is the same between all of the different PCM's
So like I mentioned in my original post I plugged a 1997 PCM into this truck and the GP"s worked, I then cranked it for about 15 seconds and it wouldn't start. So I don't think it'll work
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Please do us a favor and tell us the model year of "this truck" you are working on. Also MT vs AT and Federal vs CA.
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I do NOT believe they are the same, from my own memory and dissecting the PCM wiring diagrams from the Ford Service Manual and the differences between a 2000 MY and 2003 MY, but I could be wrong. @FordTruckNoob and I were comparing notes on this several months ago, so perhaps he can validate or discredit my thoughts on the PCM pinouts being different.
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Feb 2, 2012 02:36 PM