
Re: 14 sierra blower inop
I would check the bias voltage coming out of the blower speed control(the one you are pseudo pulsing). I have had one that acted erratic. It was the non integrated control. You may need to check a known good to verify it. The voltage out of the speed control w... Login to read more. ![]()
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)1 Replies Received(Hide Replies)1 Replies Received |