The blower fan wont shut off at all causing it.

Tiny
ANONYMOUS
  • MEMBER
  • 1997 FORD F-150
  • 150,000 MILES
The blower fan wont shut off at all causing it to drain my battery. Also my speedometer quit working
Monday, March 11th, 2013 AT 6:02 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
As far as your blower motor, if vehicle build date is after 6-24-96. The wiring below should apply. The fuse that says hot in run, with the key off, ch eck for voltage on the that fuse circuit, shoulnt be any. If there is, have to check feed from ignition switch. If that checks out ok, have to blower motor relay.
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Monday, March 11th, 2013 AT 8:46 PM

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