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02-05-2019, 01:13 PM | #1 |
Registered User
Join Date: Aug 2013
Location: Homedale, Idaho
Posts: 160
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heater woes
Hello all,
I've got a 1989 GMC K2500 reg cab and the heater is stuck on defrost. How do I fix this? Is this cable activated or does it have a blend motor?
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Grandpa 1953 M38A1 Jeep 1989 GMC K2500 1958 Alaskan Camper all original WORK : A necessary evil that finances what I really like to do. |
02-05-2019, 04:14 PM | #2 |
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Join Date: Oct 2009
Location: .
Posts: 2,179
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Re: heater woes
There are 2 styles. The base model trucks have a cable. The higher end trucks have a blend door actuator.
Does your HVAC control have a screen, If so, you have a blend door actuator. |
02-05-2019, 05:24 PM | #3 |
Registered User
Join Date: Aug 2013
Location: Homedale, Idaho
Posts: 160
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Re: heater woes
Thanks! Very basic slide arm controls. I'll explore behind the dash and see if I can't find the problem.
Thank you.
__________________
Grandpa 1953 M38A1 Jeep 1989 GMC K2500 1958 Alaskan Camper all original WORK : A necessary evil that finances what I really like to do. |
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