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HVAC wiring diagrams

Tiny
L COCHRAN
  • MEMBER
  • 2007 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 43,000 MILES
Where is the blower motor relay located on my truck and app. Cost of the relay, I thank this is my problem, since the blower runs on high speed only, thanks for your help.


LARRY
Thursday, June 25th, 2009 AT 4:42 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hello,

Here are diagrams below to show you how the system works and where the blower motor and relay are with guides to walk you through how to test the blower motor and relay.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Thursday, April 15th, 2021 AT 1:55 PM
Tiny
TMILLER89
  • MEMBER
  • 0 POST
I had this problem had to replace the blower motor FYI cost me $98.00 for the blower.
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Thursday, April 15th, 2021 AT 1:55 PM

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