Front blower not blowing

192,000 MILES • 4WD • AUTOMATIC
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MARLEY6927
  • MEMBER
  • 1 POST
Front blower doesn't blow at all, no A/C nor heat. The rear blows cold heat while sitting still.
Feb 19, 2019 at 1:55 AM
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KASEKENNY
  • ✓Experienced Mechanic
  • 18,907 POSTS
This could be a number of things. First we need to make sure the blower works so just jump 12 volts to it and make sure it works. If not then fan needs to be replaced.

If it does then we have a relay issue or fuse issue. Here is a guide that will help with this:

https://www.2carpros.com/articles/low-or-no-air-flow-from-vents

I am attaching the wiring diagrams below for testing to see what the issue is.

Also, here is a guide that will help with testing a relay if you have to do that:

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

Lastly here is a guide if the blower motor needs to be replaced:

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

Let us know if you need other info. Thanks
Dec 24, 2020 at 10:28 AM
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