Blower motor

Tiny
MLLD1
  • MEMBER
  • 2007 LINCOLN NAVIGATOR
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 108,000 MILES
Replaced blower motor and it still does not turn. No air from dash but rear works okay except for a clicking noise. Performed self diagnostic test of electronic temperature control module. Received a "rear on con" and then at the end of test had a 29 on the left side of the module screen and a 16 on the right. This appears to be a blend door actuator code and that I believe is the clicking of the rear system. Is not the front and rear system separate? If so where do I go next? I have checked the resistor with an ohm meter and got zero readings but was not sure I did it right.
Monday, August 7th, 2017 AT 11:33 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

Yes the systems are separate except they share the same compressor. So you have a blend door actuator that is out in the rear air.

Here is a guide to show you what you are in for when doing the job and a diagram (below) so you can see what it will be like on your car.

https://www.2carpros.com/articles/replace-blend-door-motor

and it could be a relay, or resistor that has gone bad for the front. Here are some guides and a wiring diagram (below) so you can do a simple test to fix the problem.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please let us know what happens, we are interested to see what it is.

Cheers, Ken
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Wednesday, August 9th, 2017 AT 12:02 PM

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