Thread: Now I need some advice / help! AC system / heater control valve assembly
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Old Dec 27, 2017 | 07:01 AM
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ala_xfire
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Joined: Dec 2010
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From: Lineville, AL
Default Re: Now I need some advice / help! AC system / heater control valve assembly
Mark, Bob has no heat and Bob has no 12v at pin 2.
Given this, why doesn't he have full heat instead of no heat as you describe.
I think pins 1 and 3 go to ground and energize the solenoids to OPEN the valves.
Only way it makes sense

( I will go out and unplug mine in a bit and see what happens )
 
Last edited by ala_xfire; Dec 27, 2017 at 07:08 AM.
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