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-   -   Battery Light on (http://www.maxbimmer.com/forums/showthread.php?t=97342)

Trekz 11-01-2007 12:53 AM

Battery Light on
 
Alright so coming back from bimmercruise this year, my drive belt snaped, on the highway. After that i bough a new belt and put it on, after driving around for a bit i noticed the battery light kept turning on and off every once in a while. Then i did a engine swap, and now the battery light is still on. What could be causing it lol

soon2b-e 11-01-2007 07:37 AM

did you re-use the old alternator ? that could be your culprit, or a loose battery/alternator connection, try checking those spots first

bmdbley'sBro 11-01-2007 10:38 AM

battery could use a charge?

Trekz 11-01-2007 11:02 AM

yes i did use the old alternator lol, cuz i wasnt sure if the one of the newer motor worked. And no its not cus the battery could use a charge, i had batteries die on me before and the light didnt come on.

myndgone 11-01-2007 11:40 AM

bad/loose ground somewhere?....same thing happened on my dad's car...

JUS_CRZN 11-01-2007 12:14 PM

Whats the batt voltage with the car running? It should be around 13.5-14.5 Volts.

propr'one 11-01-2007 03:09 PM

its your voltage regulator. 2 screws on the back of your alternator, 40$ at the dealer. If you know how to take your alternator out, you can do it yourself.

vadim321go 11-01-2007 05:21 PM

i didnt even know we have a battery light, what does it look like?

propr'one 11-01-2007 05:23 PM

looks like a battery. its red, by the oil light.

When you rev your motor, does the light get dimmer?

if so, definately voltage regulator.

Nascar318is 11-02-2007 12:05 AM

I had that problem, turned out my ground on my alt snapped.

Trekz 11-02-2007 12:41 AM

Quote:

Originally Posted by propr'one (Post 1073341)
looks like a battery. its red, by the oil light.

When you rev your motor, does the light get dimmer?

if so, definitely voltage regulator.

yes it gets dimmer, how do i fix the voltage regulator, like what screw u talkin about, I ended up throwing in the other alternator that i had from the motor i swaped in, it looks horrible didnt even think it would work, but it works no battery light, but if its just 2 screw like you are saying then i would like to throw the old one back in it looks alot cleaner.

P.s i know how to change the alternator i did the engine swap myself, its my greatest accomplishment so far :)

e30_kid89 11-02-2007 08:25 AM

If your alt. is shot I have one for dirt cheap. I just need to get it tested to make surei its good first.

Trekz 11-03-2007 12:43 AM

i got a alt right now that works, that came one the 94 engine, but the whole plastic housing crap on the back off it is broken to shit so i took it off completely, and the one on my shot alt doesnt seem to fit on it. 92 alt was made in new Britain i think and the 94 one was made in France and they are different brands 92 is bosh 94 is V something lol

Nascar318is 11-03-2007 04:29 PM

valeo, that's what I have on my 94. So is everything working now?

Trekz 11-03-2007 06:49 PM

yah its workin now, but its missin the whole plastic housing thing with the tube.


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