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HUH...no heat/ac/ "nada" ????

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Old 03-27-2017, 03:44 PM
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Default HUH...no heat/ac/ "nada" ????
Jus started up the truck one morn...nothing
All was fine the day before.
fuse is good.
hot wired the blower motor...its good
checked power to the control panel/module,on the dash,got power.

What a you guys think ?

control panel,resistor,or actuator ? or somethin else
Do I have to just start replacing parts ????

98 1500 mag,auto
 
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Old 03-27-2017, 05:38 PM
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The heater switch only provides ground path for the blower, so, check the gound. (since you have power TO the switch) You are looking for ground 201, instrument panel right center support.
 
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Old 03-27-2017, 06:05 PM
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ground 201 out of the service manual ?
 
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Old 03-27-2017, 06:42 PM
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That'd be the one.
 
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Old 03-27-2017, 07:29 PM
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Have you checked the relay? Or, where did you hot wire it to?
 
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Old 04-13-2017, 06:29 PM
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FYI....relay un der the hood was bad !!!
FIXED
 
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