Body Control Module for GMC Yukon Denali

Asked by GuruTP9QB Jul 12, 2018 at 01:26 PM about the GMC Yukon

Question type: General

SO I have a problem with all my electrical on this Denali. When I check the
voltage at the under hood fuse box I have 6 volts everywhere. No where do I
have 12 Volts. This is my question. Does the main buss in the under
hood fuse box drop the voltage to 6 volts or do I have a faulty Under hood fuse
control box

1 Answer
103,435

KenF answered 6 years ago

I would check wiring for burns or high resistance. Check all your high amp connections, alternator, starter (especially if you have a remote starter). Pull the larger fuses one at a time and keep checking voltage to other circuits in the box, if it jumps back up to 12 you found your problem circuit.

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