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ECM wiring diagram

Tiny
ACRIZONA
  • MEMBER
  • 1980 CHEVROLET CAPRICE
( Im beginning to believe it does not exist ! ) Having removed the power train from Chevy#1, and installed same into Chevy#2, and sent Chevy#1 to the SMASHER, did I discover that Chevy#2 has no harness connectors for the ECM. Rk ! There are only 3 or 4 wires, how difficult can this be? Erk ! No wiring diagrams for ECM. Some model years have references to ECMs but do not show the ECM harness. HELP ! I have Org, Pink, Brn in a 3-connector and Wht in a 1-connector. Any help is appreciated.
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Friday, October 3rd, 2008 AT 10:11 PM

1 Reply

Tiny
ROB2008
  • MECHANIC
  • 258 POSTS
Here is the engine and PCM wiring and a guide to help test the connections.

https://www.2carpros.com/articles/how-to-check-wiring

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Friday, October 3rd, 2008 AT 10:25 PM

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