ECM wiring diagram
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Junior Member
Joined: Jan 2013
Posts: 33
Likes: 0
From: Brandon Mississippi
Car: 89 GTA firebird
Engine: Vortech 350
Transmission: 5 Speed
Axle/Gears: 342
ECM wiring diagram
I need a bit of help. I need the wiring diagram for the 56 pin connector on my ECM. It's a 1989 firebird gta.
Senior Member
Joined: Jun 2010
Posts: 580
Likes: 32
From: Montgomery, AL
Car: 84 El Camino
Engine: 360 TPI
Transmission: 700R4
Axle/Gears: 3.42 + Truetrac, Moser 28 Spline
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