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95 S_Trucker · 07-06-2018, 08:38 AM

Check the area circled in red. It should have 12v. Your symptoms tell me you don't have 12v at the A2 terminal at the relay. It's the only red wire at the relay.

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07-06-2018, 08:38 AM	#20
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,179	Re: 99 K1500 Suburban no high speed ac fan Check the area circled in red. It should have 12v. Your symptoms tell me you don't have 12v at the A2 terminal at the relay. It's the only red wire at the relay.