Last post on Apr 13, 2010 at 10:00 AM
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#3 of 6 1998 Pontiac Bonneville Interior Lights Won't go out.
Jan 01, 2010 (6:55 pm)
I have a 1998 Pontiac Bonneville, recently its as if a ghost took over the interior lighting and the locks. the lights won't go out until the 10 minute timer is up (when the car is off and locked) Also, the locks no longer unlock when you shift into park. Sometimes they will lock by themselves and the interior lights will come on again and won't go off no matter how far you drive. I used to be able to get them to turn off by cycling the lock switch in the car but not anymore. Any help would be greatly appreciated.
#4 of 6 Re: 1998 Pontiac Bonneville Interior Lights Won't go out. [jonlecureux]
Jan 01, 2010 (9:21 pm)
You probably should look into buying a factory service manual for your Bonneville that is from Helminc.com. These are the ones you got if you ordered from the back page of the glovebox manual. They are on Ebay sometimes: the originals from Helminc.com are around $135 if I recall.
You may have a problem with ground at the battery terminal. Check for corrosion. Then check the positive cables. They overlap and are jointly bolted to the positive. People talk about cutting back into the plastic of each to look for deterioration. Also check the spacer between them for corrosion.
Be sure to turn to heater controls OFF while the car is running before disconnecting battery espeicially if you have auto control heater/AC.
You may have a ground buss problem at the ground connection just where the driver's foot goes over the door sill. They corrode and cause funny things to happen.
Also a problem with a weak battery may cause strange symptoms, but yours don't sound like what people often describe.
See pictures of the driver's side buss here
#5 of 6 Re: 1998 Pontiac Bonneville Interior Lights Won't go out. [jonlecureux]
Apr 13, 2010 (8:14 am)
dude i have the same exact problem. sometimes im driving at night and my dome lights just turn on for no reason haha. but im pretty interested on knowing if you ever found out what it was.
#6 of 6 Bonneville Help
Apr 13, 2010 (10:00 am)
I have gotten as ton of help at bonnevilleforum. Lots of friendly people helping other Bonne owners.