Question about Chevrolet Tracker
You have three other coils that are working. If you test the brown wires on those (brown/whit, brown/yellow, brown black) and the test light flashes than your on the right track with the bad PCM. You should see a flash or pulse with the test light as the PCM turns the ground on and off to trigger the coil.
If it where wiring (brown wire shorted) than it would burn up as soon as you turned the key on.
Posted on Mar 20, 2011
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Posted on Jan 02, 2017
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