Having problems with your 1999 GMC Yukon ?
I have a 99 gmc yukon i killed the battary i got a boost but started the car on aux power to put up the windows the A/C blower was on and i killed the battary agen. The next i jumped the the truck and had problems with the driver side window not going down and all so the A/C blower would not blow cold air sinc that day the window stared to work but the ac still dose not blow cold Air i checked the fuses in and under the hood and all looks well whats the next step i should take
Find the small air conditioner relay and replace it. They are available at any auto store and may cost perhaps $15. The switches on the dash could also be not making contact but I doubt it. You may have to get a manual to locate where the relay is located on your vehicle.
Repair Help & Product Troubleshooting for 1999 GMC Yukon
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