so on my Apexi turbo time the voltage went from being 13.6 usually to 12.6 and sometimes lower. I had 3 different auto zones test the battery and the alternator. One said they were both fine, one said the alternator was bad, and the other that the alternator was good and the batter was bad.. i also had mr. battery check them both and they said both were good. so any one know what the problem might be??
screw crapozone. go to a professional place like a sears or a firestone. let them check.
when does the voltaage drop? on start up?
no just randomly, i could be driving a constant speed and it will drop and come back up, today it was 13.1 when i dove to the lake, when i drove back home it was 12.7
make sure all your connections are tight. check at teh battery and at the alterator. then then like i said, take it to a pro, i tihnk sears is free to check
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