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Boss Lighting For 1990 G.M.C

Discussion in 'Boss Plows Discussion' started by ArrowChucker, Oct 2, 2006.

  1. ArrowChucker

    ArrowChucker Junior Member
    from Canada
    Messages: 3

    :help: Hi.
    I am a new guy here I purchased a Boss plow 6 years old or so with wiring harness RT3 Straight Blade My question is on the left side there are 2 connectors 1 for headlights and the other is to plug into main harness of truck lights.I can't find where to plug into the main harness for my year of truck 1990 Sierra 4x4 ext cab 350. Am I to cut the connector off and tie into the lights wiring harness above the drivers fender? Any help would be great Thanks in advance:) .

  2. Hammer

    Hammer Junior Member
    Messages: 26

    Did you get Light Adapters for your truck? That would be the patch wiring between the main harness and the truck lighting.