Check your tow bar and trailer brake light wiring. It may be grounded. I had this problem with my 92 roadmaster wagon. Tom.
The Buick Roadmaster was not produced in 1986. They were made from 1991 to 1996.
A 1992 Buick does not have an inertia or fuel cut off switch.
It is not equipped with an inertia switch.
If the fuse keeps blowing, there is a short somewhere. Since the dash and tail lights both go through the headlight switch, I would check the wires from the switch connection all the way to the tail lights, and the dash lights. Somewhere, a wire is crushed to ground or something like that. Make sure your switch is property connected and is a good switch! Good luck!
Sounds like it's not your bulb that is bad. It may be your brake switch isn't working.
The 1992 Buick Roadmaster signal flasher relay switch can be found beneath the drivers side dashboard. The signal flasher relay switch will be above the gas pedal.
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The Buick Roadmaster was manufactured by the Buick division of General Motors. They were produced between 1936 and 1957 and then reproduced between 1991 and 1996.
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The solution is easy. There is a little button that you press on the body of the switch that releases the 'shaft and knob'. A little jiggling is required sometimes.
It was the dimmer switch..
I have 05 with no brake lights
No, GM vehicles do not use inertia/reset switches.
located your the hood on the passenger side should be the big black fuse
replace the combination switch on the turn signal stalk
fuse relay wiring switch