blower motor doesn't work all the time what could be the problem?

Asked by GuruFZ3JB Apr 15, 2020 at 05:10 PM about the 2003 Ford Explorer XLT Sport V6 4WD

Question type: Maintenance & Repair

the blower motor worked when I bought the vehicle a week ago but now it works sporadically. Air and heat can be felt when it is not blowing.

1 Answer

240

As Ed said. If its the fan switch. its possible you may get lucky and that by moving it through the full range repeatedly you may burnish the switch contacts enough to improve the connection. (This also applies to with manually controled rotary radio controls, and instrument dimming switches switches.) If that doesn't work, try to pin down if its related to if the vehicle has been sitting overnight and the body and engine are stone cold. A loose/poor connection would tend to be a tiny bit tighter then. If it CONSISTANTLY works better when its raining and doesn't when its hot and dry-a bad ground to body or chassis connection is more likely.

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