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Thread: OBD II engine light trigger?

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  1. 02-19-2025, 10:00 AM #1
    mkassab
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    OBD II engine light trigger?

    I need help to determine what triggers the OBD II engine light to turn on.... a +12v or a (-) ground negative to the engine light..... I'm NOT referring to a code causing the trigger...

    Here's my full right up and pic in my build link: https://thefactoryfiveforum.com/show...l=1#post575026

    thx Mark
    Last edited by mkassab; 02-19-2025 at 10:02 AM.
    Mark
    '35 Truck
    Build Thread: https://thefactoryfiveforum.com/show...35-Truck-Build
    Brevard, NC
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