headlights wont turn off

Discussion in 'Trucks [ Eighteen Wheelers ]' started by BIGMIKE1, May 25, 2011.

  1. BIGMIKE1

    BIGMIKE1 Light Load Member

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    I have a 03 KW T600 with daytime running lights that are supposed to turn off when you set the parking brake, but they dont. Does anybody know how to fix this problem.
     
  2. REDD

    REDD The Legend

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    Pull the fuse or breaker that is designated DRL
     
  3. BIGMIKE1

    BIGMIKE1 Light Load Member

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    Thanks Redd , i will try that.
     
  4. dieselpowerrules

    dieselpowerrules Light Load Member

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    There must be a little switch that is operated by the air pressure in the dash by the parking brake valve that needs to be replaced.
     
  5. BIGMIKE1

    BIGMIKE1 Light Load Member

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    There were more than one DRL fuses, one ign. and one Batt. i pulled the ign. one out and they went off. Dont know what the other is for.
     
  6. JohnP3

    JohnP3 Road Train Member

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    On most units it is, as was stated, the pressure switch, mounted with or near the brake release valve and pulling fuses will also shut off other things like cruise control. also if you rip and tear then someone else tries to fix it properly, it could cost you a lot of money, for them to find what you did, plus the original problem.
     
  7. Hammer166

    Hammer166 Crusty Information Officer

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    On this glorified Freightshaker, I mean Western Star, pulling the DRL fuse kills all the gauges. Having the DRLs flash randomly at night is not conducive to a good night's sleep in certain locales!:biggrin_25524:
     
  8. 3 Dog Nite

    3 Dog Nite Light Load Member

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    Here's my guess. Maybe it's like my van. The headlights don't shut off when parking brake is engaged while the engine is running. Engage the parking brake 1st, then start the engine, no lights. The lights don't come on till after the brake is released. Try shutting your engine off after parking, then restart it.