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I have 2002 GMC van when my dashboard light switch is off and I hit my brakes they work fine, at night I have to turn the switch on and then when I hit my brakes my brake lights go out just the brake lights. Whats the problem? Thank you

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This sounds like a bad ground, remove the brake light sockets and remove the bulbs, take a look at the sockets and see if the socket is burt or melting, the most common problem is the socket goes bad and cant handle the brake and park lights at the same time , this is cause by a bad ground inside the socket, try cleaning the contacts in the socket and gentle prying them out to make a better contact to the bulb, also make sure there are no burnt marks on the contact terminals on the bulbs, good day

Posted on May 22, 2011

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Posted on Jan 02, 2017

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