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LOOKING 4 known good ECM 92-93

1059 Views 8 Replies 5 Participants Last post by  Junkyarddog420
Im looking for a known good ecm from a 92-93 diesel.
2wd auto W/OD. I live in Ohio so let me know your asking price with shipping. My E-mail is [email protected] if you want to contact me personally. Thank you to all who replies!
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What is your truck doing to lead you to think you need a PCM?
 

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Discussion Starter · #5 ·
Initial start up of the ecm does not sequence in cold weather. No charge, no bulb test no intake heaters. The unit itself is not turning on. Checked ALL grounds, sensor grounds, imput voltages and output voltages. There is a contact within the ecm that fails when the unit itself is cold. Put a heater in the fender well next to it and in about 10 minuts, it works. I troubleshot this problem for about 15 man hours of looking at schematics and tearing apart wiring harnesses. Finally i determined it was the ecm, played a little musical ecms from a friends 1st gen and it hasnt done it since. But he wants it back so now i gotta find my own.
 

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11,549 Posts
Ok sounds like you covered the bases then.

I have a PCM. PM being sent.
 
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