BLOWER MOTOR ONLY WORKS AT HIGH SPEED

1999 Ford Explorer

Tiny

Anonymous

March, 20, 2013 AT 2:29 PM

Blower motor only works at high speed. Original blower motor began to work only if I went out and tapped it with a hammer. Replaced it, then new motor only worked at high speed. Replaced Resistor. No real change. Replaced fuses, fan switch, 50 amp fuse in Power Distribution Box under hood. No change. What gives? What do I do next? The only other variables I can even think of are either (1) a fugitive grounding problem somewhere or (2) the plug from the wiring harness may be bad (but does not look to be).

Help?

Thanks !

1 Answer

Tiny

hmac300

March, 20, 2013 AT 3:16 PM

It cold be either of what yo arethinking. Check to seeif poer is going in an dout of switch on lower speeds then also check to seeif getting to resistor then blower, it may be between resistor and blower wiring issue.

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