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Re: 98 GMC S15JIMMY/BLAZER - MODE ACTUATOR FAILURE
Posted to HVAC Forum on 10/4/2007 1 Reply

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THANKS FOR THIS RESPONSE. We have tried this. We seem to have no reference voltage on the dark blue wire. it is either supposed to have 5v or 0v, but sometimes, when you apply 5v it still does nothin... Login to read more.

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