No low beams!
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bluebeast00
- SE Member

- Posts: 11
- Joined: Sun Sep 04, 2011 7:37 pm
- Year and Trim: 2000 Pontiac Bonneville SE
- Location: Southern Maine
No low beams!
I've spent all morning reading the posts in electrical to see if anyone has had this issue and I have had no luck. My low beams in my 2000 Bonne se haven't been working for a awhile now. I have replaced the relay under the hood more than once and at this point it has melted part of the fuse box so I have taken it out completely since relays are $20 a piece. I did replace the dimmer switch and it worked for a while and then eventually quit. I'm sure that there is a short somewhere but I'm not sure of where to look as far as the wiring goes. Is there some chance that it may work if I can get a new wiring harness for the lights if that's possible? Right at the moment I have just totally disconnected the low beams and hooked up the high beams in there place so that I at least have headlights. I still have fog lights as well. If I had the option I would park the car, but I need it on the road, since its the only vehicle I have at this point. Any help would be appreciated! Also any wiring diagrams would help! Thanks!
- harofreak00
- Administrator

- Posts: 26022
- Joined: Mon May 19, 2008 6:04 pm
- Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
- Location: Browerville, MN
- Contact:
Re: No low beams!
There are a lot of videos on YouTube showing how to track down a short, however you do have the option to just replace the entire headlight harness.


Andrew - owner/operator of Bonnevilles Unlimited

2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 57k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
2014 Town & Country Limited | Cashmere Pearl | 115k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 280k | Official Bonneville Hauler

2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 57k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
2014 Town & Country Limited | Cashmere Pearl | 115k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 280k | Official Bonneville Hauler
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DaMaroon
- SSEi Member

- Posts: 161
- Joined: Mon Oct 29, 2012 9:42 pm
- Year and Trim: 2003 SE
- Location: Darkest Ohio
Re: No low beams!
I've seen bulb elements burn out then weld themselves back together. When they do this they draw a lot more current. Typically they don't last long but could cause your problem. If I understand the above correctly the bulb(s) themselves could be the problem. Try connecting just one low beam at a time.bluebeast00 wrote: Right at the moment I have just totally disconnected the low beams and hooked up the high beams in there place so that I at least have headlights.
If it's wiring, the problem wouldn't go away just moving to the high beams. Actually should be worse.

