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Bad wired EGR to ECM? https://cimg7.ibsrv.net/gimg/www.thi...47f72a539.jpeg https://cimg9.ibsrv.net/gimg/www.thi...75a50f03e.jpeg https://cimg5.ibsrv.net/gimg/www.thi...298a324ba.jpeg Hi guys, I found this thing around the EGR zone. The dark blue wire grounded to the firewall? Furthermore, I found this brown wire soldered to the pink/black one that goes to EGR connector. Can you tell me what kind of functions do that two wires? I just want to restore the original wiring messed up by the old owner... It’s a 1990 Firebird, 3.1 Lh0 Thank you guys! |
Re: Bad wired EGR to ECM? Pink/blk is power to the ccp/ air and egr solenoid. http://austinthirdgen.org/mkportal/m...ine_wiring.gif |
Re: Bad wired EGR to ECM? Dark blue might be the fan pressure switch. Does the fan run with the key on ? |
Re: Bad wired EGR to ECM? Thanks for your reply, the fan stays off with key on. The EGR seems always to be off too, in every condition, but I hear a clicking noise from it |
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