LT1 wiring procedure
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Joined: Jan 2005
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From: San Angelo, TX
Car: 1988 Pontiac firebird
Engine: '93 LT1
Transmission: Built 700R4
Axle/Gears: 3.70 9 bolt
LT1 wiring procedure
when you guys did your LT1 swaps, did you remove the wiring and ecm before putting in the engine, or did you leave it connected? if you did disconnect it, where did you start when wiring it up?
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Joined: May 2004
Posts: 2,924
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
If your 2.8 is like mine, my harness was two pieces. One going to the ECM and the other going to the bulkhead connector. I pulled mine apart at the plug with the temp, oil and ac wiring next to the brake booster and used the rest that went to the starter.
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