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Gas to Diesel Conversion on 95 Chevy Cheyenne

Discussion in '6.6L Duramax Diesel' started by chevygirl760, Feb 18, 2019.

  1. chevygirl760

    chevygirl760 Registered User

    Likes Received:
    Feb 18, 2019
    Hesperia, CA
    About 5 years ago my dad did a diesel conversion on (what is now my truck), a 95 Chevy Cheyenne from a gas to a 6.7L Turbo Diesel. Not that it's under my name I'm trying to fix it before summer but the truck wont start. My dad said that when he turns the ignition it wants to start and you can here cranking but it just wont turn on.

    We discussed that when we did the conversion he left the Allison tranny. So we're thinking that the wiring harness for the new motor isnt compatible with the transmission. So could it be that the tranny doesnt read that the truck is in parking so it wont let it start or could it be something in the wires? Please help I would really like to get this truck up and running. thank you

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