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I have no blinkers or brake lights on my 2010 kenworth 900 deisal I have already replaced the blinker switch but nothing fuses under the dash are good also

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  • Cars & Trucks Master
  • 2,963 Answers

Dangerous situation. Do you have any tail lights? running lights?
I would guess you have a power connection somewhere before it gets to either of the switches (including brake), a main relay, or separate relays for both brake and blinkers. Possibly a fuse that looks good is not. Volt-ohm meter is good at checking those things.

Posted on Apr 01, 2015

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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: BRAKE LIGHTS DO NOT COME

it could be related the connector cables thats bridging your lights and your brakes????

Posted on Jan 03, 2009

dennymulford
  • 1055 Answers

SOURCE: GMC sierra 1500 '96 blinkers and brake lights will not work

i would replace the brake light swtich first its more likly too go bad than the turn signal switch

Posted on Feb 20, 2009

  • 4 Answers

SOURCE: Right rear brake light and blinker dont work

when you use the right turn signal, does it blink faster?. Could it be the bulb holder is damaged or rusty?

Posted on May 16, 2009

  • 23 Answers

SOURCE: the brake lights donot work

check bulbs?

Posted on Jun 13, 2009

SOURCE: No brake lights or turn signals

Try changing your wires. from lights to blinker

Posted on Oct 13, 2009

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My brake lights and rear blinkers are not working. I have replaced the bulbs in both brake lights. What next?


most blinkers uses relays, and when they flashes fast one light is out, but you replaced your burnt bulb might be a bad relay.

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Running lights brake and dash/interior lights dont work, head lights blinkers reverse lights work checked fuses all were good. is there some other fuse besides the ones in the dash? or is there something...


I was going to say the dash and running lights run off a singular fuse, replace it just in case, also check under the hood, there is another control board under there. possibly a relay might be at fault, worst case, the light switch is faulty. Good luck

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Brake Lights and Hazard still dont work


TEST FRONT RIGHT BLINKER CIRCUIT AND REPLACE THE BULB,,WITH PROPER BULB...A DOUBLE CIRCUIT BULB IN A SINGLE SOCKET WILL DO THAT ALSO A SINGLE SOCKET BULB IN A DOUBLE SOCKET HOLDER....CHECK LEFT SIDE BULB FOR ACURANCY

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Blinkers wont turn on its not the bulbs or fuses 01 tahoe


Did you replace the hazard/flasher/blinker relays?- they are in the fuse block usually.

This is weird, but try this: Turn on your hazard lamps and turn your steering wheel all the way left and all the way right.
Then turn on your left blinker and hold the blinker on while you turn all the way left, then right. It will click and try to turn it off but keep it held down and turned on. Then do the right blinker the same way.
I have had this problem with every GM I've ever had, something about the detent-return and the blinker relays getting reset. I'm not sure why it works, but if your flasher relays are good and your fuses,bulbs and wires are good then this is probably what will fix ya. I've had this happen often enough that I always do this first. My GM vehicles were/are all 60s to 90s models- old school, but try this before you do anything else with it it's free and only takes about 15 seconds to do. Sometimes I have to do it more than once, but eventually the detents reset and they work. Viola!
Good luck and please rate this solution if it fixes ya!

Jun 21, 2009 | 2001 Chevrolet Tahoe

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