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Re: 98 GMC S15JIMMY/BLAZER - MODE ACTUATOR FAILURE
Posted to HVAC Forum on 9/30/2007 13 Replies

Hi Kevin,

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I have a couple questions...is it manual air or automatic air? They both use an electric actuator, but manual is 3 wires, auto is 5 wires. Let's assume auto, the actuator grounds through ... Login to read more.

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