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2006 Sierra 2500HD how to activate headlights on/off and hi/lo

461 Views 2 Replies Latest reply: 2023-06-16 17:31:30


  •   Level 1   
    (8) points
    bob dee
    2023-06-15 23:59:31
    Using an MK808S-TS on a 2006 GMC Sierra 2500HD. I'd like to command the headlights on/off. Also the hi/low beam. Found where to turn on/off the DRL (daytime running lights) and a few other lights. But no headlight control found. Where is it hiding? Thank-you.
    Reply

  •   Level 9   
    (3714) points

    2023-06-16 08:21:47 (Reply to:bob dee)

    Hi, the hi/low beam are controlled by the turn signal lever ,the lights are controlled by a
    module and a switch for operation ,mostly ,parking light, auto light ,hi/low beam.when
    in auto mode the lights turn on after the light sensor receive no light anymore. I do
    not think the lights can be turned on on command
    Reply

  •   Level 1   
    (8) points
    bob dee
    2023-06-16 17:31:30 (Reply to:)
     Hmmm. Interesting point about the light sensor. You got me thinking there. I think your reason about the turn signal lever and the light sensor, meaning maybe no computer involved, points to cannot control via OBD2. You're correct. Thank-you.
    Reply
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