Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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HMAC300
CAR REPAIR CONTRIBUTOR
48,601 POSTS
if something has been recently installed check the wiring as they may have tapped into that. Then check fuses for being loose and bad ground also check battery to body ground. It may also be a radio problem