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Old 06-22-2019, 07:33 AM   #1
abunai12
 
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Default A/c blower only on high

1999 xe 2.4
Driving with the blower on 2, stopped to pick up dinner, blower didn't come on.
Worked on high only.
Checked both fuses. OK
Checked resister. OK
Continuity on all terminals.
Need to check the switch next.
I'm thinking it's a bad ground to the switch.
Anyone else have this happen???
Solutions????
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Old 06-22-2019, 11:26 AM   #2
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Typically when the blower only works on high it’s because the blower motor resistor is bad. I’ve had the blower motor itself starting to go out and it burned up the resistor. I had to replace both.
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Old 06-22-2019, 03:24 PM   #3
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Quote:
Originally Posted by alabama_lowlife View Post
Typically when the blower only works on high itís because the blower motor resistor is bad. Iíve had the blower motor itself starting to go out and it burned up the resistor. I had to replace both.

This. Typical symptoms.
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Old 06-22-2019, 05:07 PM   #4
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Is this resistor located behind glovebox?
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Old 06-22-2019, 06:29 PM   #5
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Believe underdash, passenger side, near blower motor.
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Old 06-22-2019, 11:54 PM   #6
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Remove the lower panel under the glove box. Probably 6 screws. The resistor is facing you, it has a three prong plug and it is held by two screws on the evap box. Click the link I post and look at the third picture. It shows the resistor on a non AC truck, but it is in the same location if the truck has AC. The evap box is there instead of the crossover tube to the heater core.

http://www.infamousnissan.com/forum/...26&postcount=2

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Old 06-23-2019, 02:07 AM   #7
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Worked on it today, during the day, so I had more light.
Everything points to a bad resister.
It's easy to get to.
No panels need to be removed.

Two screws, connector, and it's out.

When I tested it on the bench, All was good.
Checked rest of the wiring, and all was good.
plugged in the resister and tested it again.
No good.
Resister had a cracked solder joint, that would lose contact, when plugged in.
Cleaned it up. Resoldered. All is good.
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Old 06-23-2019, 10:35 AM   #8
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I LOVE it when a plan comes together!
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Old 06-23-2019, 01:54 PM   #9
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Good !!! I see these blower resistors (for my 1998) as $23 new at O'Reilly.
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Old 06-24-2019, 02:57 AM   #10
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Ebay - $12
I just bought one.
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