I have a 2004 trailblazer an I have no signal to yellow wire in crank key position, replaced everything, neutral switch,pcm and also key switch

Asked by GuruPPH2B Jan 25, 2020 at 10:56 AM about the 2004 Chevrolet Blazer

Question type: Maintenance & Repair

1 Answer

15,450

Note the diagram. See the fuse in upper left, diagram, hot all the time. You can use a test light to check voltage at the fuse. The crank fuse goes hot with key in crank position.

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