My battery gage sits around 13..............But when I turn on the A/C it dives straight down to 8.5 or so................Is that Normal?

 

It shouldn't drop that low, though the gauges in our cars are known not to be accurate. I would say as long as all your accessories work fine and light don't dim, then there's nothing to worry about.

 

Occasionally they do dim and when my fan kicks on the rpms drop really low.............Once it died on me cuz it dropped so low....

 

for a thirdgen yes.. which isn't a good thing. our alternators are like 105 AMPS, i can make my voltage go down to 9 jsut by turning on the lights and rear defogger, with no a\c on.. imagin how low it gets at night when the windows are fogged with the lights on... try getting a higher AMP alternator, i don't know where though...

 

105 really?? Crap and I thought I got a good one from summit 100amp.

 

If I have my Amp hooked to the battery..............It doesnt drain it does it?

 

Only when it's turned on, I would think or using your stereo.

 

Thats what I thought ..........Just checking. you know all the starting problems Im having