Quote:
Originally Posted by Matt L
Make sure that your belt isn't slipping.
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I checked the belt and it is fine.
Quote:
Originally Posted by Matt L
Other than the cabin fan and auxiliary fan, the air conditioner takes very little electrical power.
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What about the electromagnetic clutch on the compressor? That can cause a considerable power drain. I checked to make sure the compressor was engaging, which it was.
Quote:
Originally Posted by Matt L
Try turning the cabin fan to full and see if you have the same symptoms. If you don't, also engage the auxiliary fan (by holding both AUTO buttons down for >10 seconds).
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Cabin fan was at highest speed. Aux fan was not on, but I didn't bother engaging it because it was obvious this battery was going to be dead within a couple minutes. The car's recent history of requiring jumpstarts rather readily scared me away from testing the limits.