Blower motor not working?

Tiny
ROBBIE001
  • MEMBER
  • 2006 INFINITI FX45
  • 188,620 MILES
I cannot get the blower motor to work. I replaced the blower motor itself, the blower relay, and the ac amp. I don't know what else to do. An Infinity dealer told me it was the ac amp and it still doesn't work. Please help.
Tuesday, July 11th, 2023 AT 9:31 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 44,254 POSTS
It is common for the ground (M45, behind the instrument cluster) to stop working to cause this problem, this guide can help us, and I have included the blower motor wiring diagrams so you can see how the system works. This guide will show you how to check for power and ground for the blower motor:

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

Also, check for power at fuse #10 and #11 in the left side fuse panel.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the images (below). Please let us know how it goes.
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Tuesday, July 11th, 2023 AT 5:57 PM

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