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  1. #1

    Default 2010 brake light question

    Are the brake lights on the chevy silverado 2010 automatic. Mine will not work unless the ignition is turned on. When the truck is on, everything works normal.
    Just wondering? Anyone have the same thing?

  2. #2

    Default

    They are controled by bcm without key on and power to it wont work
    2000 sierra 1500 5.3
    k&n cai
    hypertech programmer
    flowmaster catback
    7" lift 456' s. 35/12.5 nitto teragrapplers
    roll bar. Baha spare tire holder
    brush guard custom tail lights
    full sound system dvd nav

  3. #3
    Jr. Mechanic Patman's Avatar
    Join Date
    Nov 2010
    Location
    Saskatoon, Saskatchewan
    Posts
    81

    Default

    i thought brake lights always worked. i notice at my shop that when we do alignments the brake light always kill the batteries.

  4. #4

    Default

    Because it wakes up all the modules in the car which is like a 4 amp draw
    2000 sierra 1500 5.3
    k&n cai
    hypertech programmer
    flowmaster catback
    7" lift 456' s. 35/12.5 nitto teragrapplers
    roll bar. Baha spare tire holder
    brush guard custom tail lights
    full sound system dvd nav

  5. #5

    Default

    thanks - I thought it might be something like that, just wanted to be sure.

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