Question about Pontiac Bonneville
The cause may be in the light switch itself. Maybe a broken wire or burnt out switch contact.
Posted on Oct 11, 2010
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Posted on Jan 02, 2017
sounds like a broken wire in the harness. look around the bumper area,sometimes along the frame. may have to peel back some tape covering. also if you have a trailer harness look closely at those.
Posted on Jun 04, 2009
Before going ahead and spending money on a new module, test it first. The module is located under the steering column. You'll find a Brown wire on one of the connectors (i just looked at a wire diagram). Do no disconnect anything. Back probe the brown wire, which is the power feed to your park lights. With the lights off, there should be 0 volts on you voltmeter. Turn the park lamps on, There should be 12V. If there is not 12V, disconnect the connector and try to check voltage at the pin that feeds to the brown wire, if still not 12V, replace the module. If you do get 12V, then module is ok, find where the 12v is being dropped before making it to the lamps.
Posted on Aug 09, 2009
you have to check all fuses with a test light both fuse boxes under hood and under dash... if good next to look for is the light switch itself... has any radio work been done to the lately... if so alot of times hooked up wrong will blow park fuse as one of the wires to radio is the park voltage to tell radio to dim down some
Posted on Sep 06, 2009
SOURCE: No dash or tail lights
The same thing happened to my BMW. All my fuses were fine too, what the problem was, was that the fuse that belonged to the dash lights and the brake lights, taillights etc. was wrong. If the fuse is not the correct amperage not everything on that circuit will work. So even though that the fuse is not burnt, the fuse could still be incorrect. Thats your best bet to check.
Your second solution can be the ground on that circuit. Check the grounds that come from the taillights, and find where it connects to the body or the frame with a small screw of small bolt. If the ground is dirty or rusty, it wont make a good connection and you will have loss of lights.
Hope this helps!
Posted on Dec 06, 2009
When you turn on the headlight switch ,be it park lights or headlights, it sends power to the multi switch on the steering column. Check that out too.Mine was just dirty contacts, everything works now.
Posted on Jun 08, 2010
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