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switch box wireing 03 2500 HD

Discussion in 'Strobe Lighting' started by Bostonyj7, Feb 12, 2009.

  1. Bostonyj7

    Bostonyj7 Senior Member
    Messages: 183

    I need to wire up the swith box for my strobes. Im all good except the backlighting when the headlights turn on.

    Im not sure where to tap into and what wire to look for

    Got an 03 Silverado 2500HD

    Thanks as always guys,
  2. Crystal Creek

    Crystal Creek Junior Member
    Messages: 13

    I did this on a buddies older chevy. By the headlight switch, was the dimmer. Simply pull the dimmer out and you will see three wires, one hot, one ground, one dimmer wire. Take a test light to the wires and the bulb will dim when you find the correct wire. If I remember correctly, the dimmer wire was striped in color, blue and white I think. I dont know if your newer truck is the same, but hopefully this helps.
  3. Bostonyj7

    Bostonyj7 Senior Member
    Messages: 183

    One guy told me to pull the radio, but I was looking for something easyier. I think this is it. I will go and look as soon as the baby naps (Im a stay at home dad)
  4. Bostonyj7

    Bostonyj7 Senior Member
    Messages: 183

    works like a charm. I used the fog light dash lamp. Its the switch next to it. The wire was brown/white strip