I have an 85 C10 when I press the brake my front
yellow markers come on and my tail lights do not
flash (all lights are on).. I checked the fuse for my
blinkers and it works but my signal does not work
either. All lights come on and the back of the fuse
block seems to be connected right just not getting
a flash when I press the brake or signals. It's seems
like it's backwards any help is appreciated thank
Make sure the 4 way switch is completely off, you may have to run it in and out a few times just to make sure. If that didn't cure it then you need to check the sockets for broken contacts and grounds and possible cross circuits inside the lamps.
Has someone been screwing with your electrical system?
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