Tail, brake and dash lights out
#1
Tail, brake and dash lights out
I just bought a 92 Bonneville SSE. Yesterday the tail lights, dash and interior lights all worked fine. Today the headlights went on, but the tail, dash, interior and brake lights were dead. Also, I started getting a chime whenever the driver'* door is open, although there is nothing turned on and the key is not in the ignition. I checked all of the fuses on the left side - all seem to be OK. I did get the chime to stop by pulling fuse #11. Any suggestions on the lighting problem would be greatly appreciated.
#2
Senior Member
True Car Nut
#3
Thanks. I pulled the ground bus on both sides. No corrosion but I cleaned them and still have same problem. I will check out the headlight/dimmer switch next. Is there a trick to getting tech articles? I found a link for replacing the switch but I am not able to access it. I get a permission error when I click it.
#4
Senior Member
True Car Nut
The Tech Article in this forum are open to you. If you found a link in an old post, and the link goes to another site or is a link for the old site structure, I can see where you may have got an error message. PM me with the link to the article that has the link in it, and I will pass it on for investigation.
#6
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Get a voltmeter and check the voltage at one or more of the light sockets where the light is out. If it is zero, you probably have an open circuit somewhere upstream. If the voltage is low (much less than 12) you may have a short. I had this happen when reinstalling a tail light housing--crimped a wire under the housing and it shorted to ground.
If you find a low voltage, try disconnecting the not-working light assemblies one at a time. If one is shorted, the rest will come on when you disconnect the shorted assembly.
To check for a grounding problem, check the voltage at the connector to one of the offending lights, but check it from the hot side to the frame. If that is 12 v, it probably is a ground side problem.
If you find a low voltage, try disconnecting the not-working light assemblies one at a time. If one is shorted, the rest will come on when you disconnect the shorted assembly.
To check for a grounding problem, check the voltage at the connector to one of the offending lights, but check it from the hot side to the frame. If that is 12 v, it probably is a ground side problem.
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