Duramax Diesels Forum Truck of the Week
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Old 10-06-2018, 02:32 PM
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Philv Philv is offline
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Default Blower motor doesn't work on spd 5

Ok I've done research and can't find anything. I've changed the resistor/ relay. Tried a new blower switch and still nothing. It work on all but 5, relay clicks when going to 5 and I've checked all fuses. My truck doesn't have a 40a fuse under the hood for the blower. But I've checked all fuses. No signs of any hot connections. I'm at a loss.
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Old 10-06-2018, 02:53 PM
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Ok I just checked for voltage at the blower plug. Power and ground are good. Pulled motor and jumped to the battery and works fine. Now I'm really lost. Oh I got full 12v at blower 2 wire plug
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2001 GMC Sierra 2500HD SLE EC/LB 4x4
LDS 45% SAC injectors
Airdog 4G 165 lift pump
Cold air intake
4" straight exhaust 6" tip
PPE boost valve
Glowshift gauges
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Old 10-06-2018, 04:59 PM
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How does the resistor look, they are extremely notorious for burning up, also how is the actual plug itself
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Old 10-06-2018, 05:29 PM
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Quote:
Originally Posted by OregonDMAX View Post
How does the resistor look, they are extremely notorious for burning up, also how is the actual plug itself
No signs of heat. They look perfect
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2001 GMC Sierra 2500HD SLE EC/LB 4x4
LDS 45% SAC injectors
Airdog 4G 165 lift pump
Cold air intake
4" straight exhaust 6" tip
PPE boost valve
Glowshift gauges
Reply With Quote
  #5  
Old 10-06-2018, 09:10 PM
1FastBrick 1FastBrick is offline
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Try another resistor.
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Old 10-06-2018, 09:13 PM
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Dont buy a cheap resistor, either.
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