Search | Car Forums | Gallery | Articles | Helper | AF 350Z | IgorSushko.com | Corporate |
| Latest | 0 Rplys |
|
Show Printable Version | Email this Page | Subscribe to this Thread |
|
Thread Tools |
10-13-2005, 02:32 PM | #1 | |
AF Enthusiast
Join Date: Sep 2004
Location: San Clemente, California
Posts: 640
Thanks: 0
Thanked 0 Times in 0 Posts
|
Battery light coming on
The charging system light is coming on dim at idle and then goes away when I rev up a little. It starts semi bright and just gets dimmer as the rpm's go up. I had my battery and alternator checked and they were both perfect. Does anyone know what it might be? Thanks guys.
PS: I'm going to check the battery ground and check for loose wires. My car is a 1991 240SX SE. |
|
10-13-2005, 02:50 PM | #2 | |
AF Fanatic
|
Re: Battery light coming on
Yep, it could very well be the ground, if the alt and the battery are fine.
__________________
R32 GTR w/351w .020 forged, 8.9:1, PTK T76, Turbosmart 40 BC & 45 WG, Tial 40 BV, AFR 205s 310/245, 228/228 550/550 114 Hydro, 1.7rr, Isky RLs, 4" HKS exhaust, ARC 30x16x4 IC, 8 point cage, C2 gauges, 2 step, C4 3200 stall w/ R Manual & Hurst Ratchet shifter, 17" Panasport G7s, CSU 750 & bonnet, Vic Jr intake, 3.63 gears, Corbeau Carrera seats, Custom wide body, Bomex side skirts and rear 1/4 caps, Tommy Kaira bumper. |
|
10-14-2005, 12:21 PM | #3 | |
AF Enthusiast
Thread starter
Join Date: Sep 2004
Location: San Clemente, California
Posts: 640
Thanks: 0
Thanked 0 Times in 0 Posts
|
So I called up a friend and he said it sounds too much like the alternator. He said to use a voltmeter and check the voltage coming from the alt. Now here's my new dillema, the charging system light only comes on sometimes. When it comes on the voltage read about 12.4 which is too low, but when the charging system light doesn't come on it reads about 14.02 which is good. Is this the alternator or could a ground be doing this.
|
|
10-14-2005, 12:33 PM | #4 | |
AF Enthusiast
Join Date: Jan 2005
Location: Minneapolis, Minnesota
Posts: 3,277
Thanks: 0
Thanked 0 Times in 0 Posts
|
Re: Battery light coming on
bad alternator
what is happening is that the faster the alternator spins the more it puts out. alternators have a part inside to prevent them from doing that.
__________________
|
|
10-14-2005, 12:46 PM | #5 | |
AF Enthusiast
Thread starter
Join Date: Sep 2004
Location: San Clemente, California
Posts: 640
Thanks: 0
Thanked 0 Times in 0 Posts
|
Is this true even though it is only doing it sometimes and not all the time.
|
|
10-15-2005, 10:14 PM | #6 | |
AF Enthusiast
Join Date: Jan 2005
Location: Minneapolis, Minnesota
Posts: 3,277
Thanks: 0
Thanked 0 Times in 0 Posts
|
Re: Battery light coming on
yeah you may as well make sure that you are grounded well. it could theoretically happen only sometimes but id bet that if it isnt a wiring problem, its your alternator
__________________
|
|
|
POST REPLY TO THIS THREAD |
|
|