Ford Mustang Forums : Mustang Forum - View Single Post - Battery Draining But Parasitic Draw and Alternator Test OK
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post #24 of Old 04-22-2019, 11:35 AM
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Join Date: Oct 2001
Location: vancouver
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does your battery light in the dash work?

does it ever come on while driving?

do you have a big stereo, electric fan, drive with the blower on high speed?

these loads, can easily put a battery into deficit as the alt cant keep up at idle.

89 GT gr-40, KB2200(10psi), tweecer R/T,LC-1, 22gal cell, w/tailpipes.
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