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
this is from a manual a/c if auto temp control have a pro scan it. see pic for what to check. if thermal fuse inside resistor is gone you need a new resistor. also check fuses