Car wash made my blower motor work?

Question

I have an 02 jeep grand cherokee special edition. over a year ago i started having issues with my ac/heat fan. for a while, it would only work intermittently, then after several weeks it would only work on high.

then about a month ago i started losing high every once in a while, until it cut out all together. sometimes i could get it to work by banging on the dash, and then nothing would help.

i figured it was either my resistor or blower motor, but was waiting for enough time to be able to take things apart and figure out what exactly was the problem.

today i took it through an automatic car wash. when i went through the wind area at the very end, viola! i have air again on not only high, but also all of the other settings.

now i'm just wondering how long this will last, and what exactly could be wrong with it so i can permanently fix it if it goes out again.

anybody know what this could be?

liverhuyen2003 · Accepted Answer

The blower resistor is defected (Burnt contacts) and the replacement should come with a pig tail including the connector. Banging on the side of the dash and the blower work is a symptom of a worn out brushes in the blower motor. Replace both and you'll have a permanent fix.

Anonymous · Answer

Sounds like a loose electrical connection that the vibration and bumping of the car wash fixed.  Could fail again at any time.

Motorkid · Answer

No! This is a Coincidence. You see the ONLY possibility is that the vibration triggered your short. A short is when a wire has bad connection or is corroded. Most likely a connection error. So by vibrating it, made a connection. All you have to do is get a new ground for the wire.

Pearls Before Swine · Answer

Based on how it broke and how it started working again, it sounds like a loose wire somewhere. Hard to say where.

Trending News

Car wash made my blower motor work?

4 Answers