Wiring
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Junior Member
Joined: Jun 2002
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Wiring
Does anyone here have a wireing harness map? more specifically, i need to know exactly what wire do what on the large driver side plug the goes nder the dash, ot one the ecm side, i have put the 2.8 in my gmc jimmy, plumbed it,and now i am just left with the wireing, it may already run, i just need to know before i try to start it. Thanks in advance Matt manglos..oh btw the car theengine came ot of is a 1985 Pontiac Firebird 2.8 v6 automatic
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Try the library. Ours here had wiring diagrams on microfiche, $.25/page to print it out.
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