05 Trailblazer - Electrical Isssues

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Dec 1, 2020 | 11:30 AM

a1handy

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05 Trailblazer - Electrical Isssues

I have an 05 Trailblazer with 198,000 miles that are having electrical issues. The problems are intermittent and affect the turn signals, gas gauge, and rear ac/heat unit. Sometimes these items do not work but will begin working again. The truck was in a front end crash and I do not know if these issues were present before the crash. We cannot find any loose connections or grounds. Could this problem be in the BCM? Where can I go from here?

Aug 22, 2021 | 2:59 PM

ATGATT

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Check rear hatch wirin

Check harness where the wires enter into the rear hatch. Remove boot and giggle wires around. I found 2 wires had separated, reconnected them 4 years ago no more electric gremlins. Good luck.