Chevy Tracker
Chevy S-10
Geo Tracker

Where is the ECM located on a 1991 Geo Tracker?



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Hi, On your car it most likely is under the left side of the dash. All that I've been able to find are two locations, under the dash on the left(usually newer) and the left (usually older). You'll be able to locate it easily as it will be the flat box object with some large many-wired cables going int it. Good luck. Steve H.