Question about 2003 Chevrolet Impala
OK, a 6 Amp drain is way too high. Normal drains are like .2 Amps and no higher.
The relay system may be bad, or the fan circuit may be shorted out somehow in the harness.
If the Service Engine Soon light goes on and it is constantly on, then it is a hard code.
I just had a problem with a 1997 Cadillac Deville where I had to have the fan motors (2 speed), the relays (3 of them), and the harness connections changed due to an intermittent no fan on condition.
I don't think that the temp going up to 175-180 deg. F is that bad, but the short is.
So, I would have the necessary repairs made to avoid draining the battery.
Good luck on this repair.
Posted on Oct 12, 2010
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Posted on Jan 02, 2017
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