oldscriber
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From time to time my 97 GMC Sierra 1500 turns up with a dead battery. The drain happens when it is parked with the key off. A friend suggested it may be related to using the air conditioning and/or defrosters, since using defrosters triggers the a/c.
Under normal conditions, when I engage defrosters, I can hear the a/c click on and when I turn off defrosters I can hear it click off.
So I began paying attention and sure enough, sometimes when I turn off the defrosters, I cannot hear the clilck that signals the a/c shutting off.
I think the fact that it doesn't click off means something is still engaged and that may be what is killing the battery.
Any suggestions on where to go from here?
Oldscriber
Under normal conditions, when I engage defrosters, I can hear the a/c click on and when I turn off defrosters I can hear it click off.
So I began paying attention and sure enough, sometimes when I turn off the defrosters, I cannot hear the clilck that signals the a/c shutting off.
I think the fact that it doesn't click off means something is still engaged and that may be what is killing the battery.
Any suggestions on where to go from here?
Oldscriber