air conditioning fan on 2003 Cadillac DeVille DTS

the fan will not come on unless you slam the door then sometimes will go off if you hit a bump in the road.

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
3 answers 1 comment
I have an 03' dts that does the exact same thing. Taking it to shop Wed. to find out problem.
The blower motor brushes are worn and the slamming door causes them to make contact, at least temporarily. Just been through this exact scenario.

The blower motor brushes are worn and the slamming door causes them to make contact, at least temporarily. Just been through this exact scenario.

brushes in motor are worn down