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08-05-2020, 01:20 AM
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#1 |
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Registered User
Join Date: May 2019
Location: Hathaway Pines, CA
Posts: 120
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AC/Heater fan high speed
1995 K2500 and the AC/heater fan high speed does not work. I got a new switch for $260 and resistor for $15 on amazon and still no high speed fan. Anyone have issues like this ? Wiring harness hiding a bad wire ?
Just curious if this is a common issue ?
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48 CJ2A 63 1500 GMC (LS1 w/ Muncie 4spd) 68 RS Camaro 71 K20 BBC & granny 4 speed 95 2500 4x4 17 HD2500 4x4 Want => 67 C10 short bed w/ Manual Tranny |
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08-05-2020, 07:10 PM
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#2 |
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driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,690
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Re: AC/Heater fan high speed
Fan only switch is like $40.
Full speed is direct power. Anything less runs threw a resistor to lessen power going to fan. I'd assume the fan is going bad at this point.
__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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08-09-2020, 09:34 AM
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#3 |
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Registered User
Join Date: Jan 2006
Location: Smithfield, VA
Posts: 1,501
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Easy to test the motor
Apply battery voltage straight to the motor with jumpers to test if you get high speed or not.
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