Question about 1999 Cadillac Escalade

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99' Escalade a/c front vent blows cool air an rear blow cold air.

99 Escalade front vents blows cool, and rear blows cold. The A/C works in low, and med., but does not work on high. When place on high I had a burning spell coming from Fan Blower area.

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  • shawn_thibea Aug 10, 2009

    My 1999 Escalade A/C problem has been solved. I started my checking the amps from the blower motor. It was pulling to many amps according to the tech manual. My next check was the blower motor relay, and it wasn't reading right. I, then checked the wiring from the fuse box under the hood all the way to the blower motor relay, and found it was burned at the conector. My solution was to replace the blower motor, blower motor relay, resistor, and fix the wiring(red wire)from the bulkhead to the relay. I replaced the resistor for no reason. It was cheap, and it was already out. It has been fixed for 2 weeks, and I still haven't had no problems. The A/C blows colds, and I'm loving it. I'll keep you guys updated if any changes occur. Thanks for all the help!!!!

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I have the same problem, my rear a/c blows great very cold, the front a/c blows but it is not cold at all. I had the the a/c seviced and it was vacumed and correct ammount put back in, no problems, the front still blows but it is not cold, i have checked everything and the a/c guy said it might be the door not opening. any help? still not working

Posted on Aug 09, 2009

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This is a serious proble....the cooler must have burnt

Posted on Jul 13, 2009

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You may want to check the contacts of the switch which may have burned. Also you may also want to check on the control resistor normally found in series with the switch. These 2 are the normal culprits of some speed of the fan not working. While at it please examine the wiring as it may have caused the burnt components in the first place.

Posted on Jul 13, 2009

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