Thursday, October 6, 2011

89 buick regal custom brake lights dont work?

my turn signal works as well as my parking lights work. i checked fuses changed brake light switch and still got nothing. bulbs r good! wear would i start to find this problem and how can i do it. there is no power to the bulb when pressing on the brake!
89 buick regal custom brake lights dont work?
How did you check the fuse? You looked at it appeared good? Often times fuses will blow and still look good.



Get out your 12 volt test light. Clip the alligator clip to a good ground. Probe one side of the fuse. Did it light? Now the other. Did it light? If both sides do not light, the fuse is bad, change it.



Assuming the fuse is good, make sure voltage is getting to the brake light switch. then make sure it is getting through when the brake is depressed. Sometime the switch will stick and not come on.



One of those two things should fix it.
89 buick regal custom brake lights dont work?
if you change the turn signal switch it would help. power passes through signal switch to brake lamp some times it works differently
you sure your turn signals work? i will have to agree with the other person its your turn signal switch i had the exact same problem and i thought my turn signals worked too but they only worked part time like i am sure your brake lights are doing change the turn signal switch and problem solved

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