2007 Pete headlight issue

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Wheatfarmer, Feb 3, 2024.

  1. Wheatfarmer

    Wheatfarmer Bobtail Member

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    Feb 3, 2024
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    I have a 07 peterbilt 379 I’m having electrical issues with. I replaced my headlights with leds and they now stay on with the switch odd and even with the key switch off. I’m getting 7-9v all the time at the plug, even with the low and high fuses pulled. I don’t think this was an issue when I switched headlights but maybe I never noticed with a regular incandescent bulb, not enough volts to power up those bulbs?
    Anyways I’m looking for a wiring schematic and/or some advice where to start looking. My vin is 1XP5DB9X17D686167
     
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  3. FLHT

    FLHT Road Train Member

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    Aug 2, 2014
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    Check your grounds.
     
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