Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

97 PCM pin outs

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Old Sep 12, 2003 | 06:45 AM
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RichSS's Avatar
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97 PCM pin outs

I am looking for pinout discriptions for the (4) connectors in the PCM can anyone help....Thanks
Old Sep 12, 2003 | 11:07 AM
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Shoebox has the 1995 pinouts here.
There are slight differences between the 95 and 97, but if you tell me what exactly you need this for, I'll tell you if this will work, or if not, I'll find the other pins for you.
Old Sep 15, 2003 | 06:37 AM
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Thanks for your help...I am having a problem with my cags. I sent my PCM to pcmforless for tunning and when I reinstalled it my SES light was on, when I scanned the PCM it reads DTC p1657. I tried clearing it but it comes right back on after start up. I tried using 2.2 kohm resistor, I tried unplugging it nothing seems to work. I bought a obd 2 conversion PCM from PCMFORLESS that's ok no ses light, however I must use my OBD2 PCM to get a insp sticker in MA they scan. I wanted to have two PCM'S the OBD 1 set up for performance and the OBD 2 set up for emissions. I wish I left the stock PCM alone, it ran ok i did'nt notice a big change. PCMFORless (Bryan) said that that the limits does not have anything do do with the SES. Maybe I have a circuit problem? I have 12v at the skip shift solinoid. So I thought if I knew what wire's went into the PCM I could chase down the problem...I think it is odd that I have this problem as soon as my PCM comes back from programming.
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