ECM and the other box?
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Joined: Jan 2009
Posts: 611
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From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
ECM and the other box?
What is the second box that looks similar to the ECM under my dash, behind the glove box/bag? I've always wondered and I want to explore the electronics in my car a little more. 90 Formula.
Joined: Dec 2004
Posts: 16,808
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
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