GMC Yukon HVAC Blower Motor Wont Turn On

How to test the blower motor switches, blower resistor (which is a module on this one) and the blower motor itself, will be shown in this video.

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In this part 3 of 3 video I will show you how to properly recharge an A/C system using a set of manifold gauges and small cans of R134a refrigerant The tools I am using can be found further down in the description of this video.

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In this part 2 of 3 series I'll be showing the following: how to install and test a used compressor using compressed air, R&R of condenser and lines, adding refrigerant oil and evacuation. I also install a new cooling fan shroud.

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Soap and Water, an air compressor and manifold gauges are all you will need to find 95% of the leaks in an A/C system. The vehicle being used for this video is a 1995 Jeep Cherokee but the tests shown can be applied to any AC system.

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How to troubleshoot an electronic clutch fan circuit on an Olds Bravada or Chevy Blazer with a 4.2L engine. This clutch fan has 5 wires. (2) output control (3) speed sensor input (hall effect design)

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