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Heater not working properly after replacing blower motor

Tiny
GLAZERGGG
  • MEMBER
  • 2000 JEEP CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 189,000 MILES
When I replaced my heater blower motor I went to hook it up and it wouldn't work when I plugged it in. It works when I hard wire it. When I drive down the road I feel a little heat coming through when I switch it to cold it blows cold when I got to change where it comes out like defrost feet etc, it does not change. When I have the blower motor plugged in like it's supposed to it does not blow at all when I turn it up or on. What could this be?
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Wednesday, January 1st, 2020 AT 4:12 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached a diagram for you to view. The first thing you need to do is test the fuses listed. This is not a visual test, it is a power test. You need a test light or voltmeter.

Then check for power to the blower motor with the key on at the highlighted wire.

Start there.

Roy
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Wednesday, January 1st, 2020 AT 8:51 AM

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