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14 sierra blower inop
Posted to Technical Discussion Forum on 2/18/2020 26 Replies

I have a 14 sierra with not blower operation. It's dual zone auto a'c, I've checked and rechecked all power and ground circuits and signal wire to and from. I can activate the blower by pulsing ground to the control wire at the module. I replaced and reprogram... Login to read more.

26 Replies Received (View Replies)