HVAC wiring diagrams

2007 FORD F-150
43,000 MILES • V8 • 2WD • AUTOMATIC
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L COCHRAN
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  • 1 POST
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
Jun 25, 2009 at 4:42 PM
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RASMATAZ
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  • 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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Apr 15, 2021 at 1:55 PM
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TMILLER89
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I had this problem had to replace the blower motor FYI cost me $98.00 for the blower.
Apr 15, 2021 at 1:55 PM
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