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.
BLUELIGHTNIN6
AUTOMOTIVE REPAIR CONTRIBUTOR
16,542 POSTS
a faulty blower motor will cause the blower motor relay to fail prematurely. also ensure you are using the OEM brand relay, cheaper relays may fail prematurely if not made for the specific vehicle.