A/C amp
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03-13-2014, 08:01 AM
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03-13-2014, 08:43 AM
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The climate control amp for the older Delanair Mark II system, right? Pre 1987-ish?
Unplug the amp from the harness. It's a round connector. Locate the pins of the red and purple wires.
Using jumper wires you'll apply 12v "+" to one of the wires and apply ground to the other. The servo will rotate in one direction. Reversing polarity will rotate the servo motor in the other direction. I can't remember for sure which direction you'll have to go to take it off defrost and into cooling or blend mode. I think purple wire "+" will do it.
Do not over-rotate the motor or you'll break the little switches as the cams rotate. Go in small steps.
Cheers
DD
Unplug the amp from the harness. It's a round connector. Locate the pins of the red and purple wires.
Using jumper wires you'll apply 12v "+" to one of the wires and apply ground to the other. The servo will rotate in one direction. Reversing polarity will rotate the servo motor in the other direction. I can't remember for sure which direction you'll have to go to take it off defrost and into cooling or blend mode. I think purple wire "+" will do it.
Do not over-rotate the motor or you'll break the little switches as the cams rotate. Go in small steps.
Cheers
DD
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