Question about 2007 Buick Lucerne CXS Sedan
The tail lights work but the brake lights and blinkers won't work in the rear of the car and the bar still works
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Posted on Jan 02, 2017
look for rear wiper fuse and relay.because both circuits is tie together . look in glove compartment for the manual .it will show where all fuses and relays located.
Posted on Apr 07, 2009
brake switch on the pedal bad.bad relay. do you have a second fuse box if so check it. look at the wiring see if it is frayed or chafed check the connections.check all the fuses not just the ones labeled brakes.switch the relay with one that you know is good like turn signal and see if the turn signal works then check brakes.use a 12 volt test light check the brake switch and probe the wires. hope this helped if not write back and i'll give you more ideas.
Posted on Apr 24, 2009
The bulbs do not need to be replaced! The answer to this problem is believe it or not in the turn signal lever, or multi-function switch. It is extremely common on these cars, and usually mis-diagnosed. Try this before going any farther. Back the vehicle up to a wall, or have a person stand behind the car, and pull the turn signal lever slightly towards you as if you were switching between hi and low beams. I guarantee that when you put just a little pressure on the lever your brake lights will work. If you want the problem fixed, you need to have the switch (and lever arm) replaced from inside the steering column, and you need someone to remove the airbag to do this. The switch is roughly $200 from an aftermarket parts store. If you learn to drive your car and just know that when you brake you can pull back on the lever to make the lights work great, I did for a few years in mine. But I guarantee that is the answer to your problem
Posted on Aug 12, 2009
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