I have a 2005 Chevy Express 3500 and the #7 fuse keeps blowing when the break is pressed. Any ideas?

Asked by Jun 18, 2012 at 01:16 PM about the 2005 Chevrolet Express G3500 Passenger Van

Question type: Maintenance & Repair

The fuse blows every time i press the break pedal and or use left turn signal.

1 Answer

495

You could have a short in your brake light switch mounted under the dash, on your brake pedal. Also, check your bulbs as it's possible a broken filament could be shorting out the bulb inside. You may also have some wires grounding out, so try to trace their path to the tail lights & make sure the wires aren't bare or cut anywhere. Start with the bulbs first, then the wires, then the switch. A 12v test light will help you test the switch.

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