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Good Place to run Harness through firewall

Discussion in 'Chevy Trucks' started by Chevy6.0Fisher, Oct 9, 2011.

  1. Chevy6.0Fisher

    Chevy6.0Fisher Junior Member
    Messages: 6

    I've been on the forum for some time under a different name, but forgot the information... I just finished installing my Fisher Push Plates and Wiring Harnesses, Just curious where on the firewall I can run my wires for the Plow Control, thank you!
     
  2. maverjohn

    maverjohn Senior Member
    Messages: 902

    I ran mine under the cab and up throught the floor shifter for the tranfercase worked great.
     
  3. Chevy6.0Fisher

    Chevy6.0Fisher Junior Member
    Messages: 6

    i would but i can't i have push button shift, The previous owner had a plow on it, I figured that out after i bought it lol, Looks like he possibly ran it up near the gas pedal not sure though... thanks!
     
  4. RBRONKEMA GHTFD

    RBRONKEMA GHTFD 2000 Club Member
    Messages: 2,592

    If he had a blade on it there should be a hole in the firewall already.
     
  5. Chevy6.0Fisher

    Chevy6.0Fisher Junior Member
    Messages: 6

    Yeah But i didn't know if they used a plug and put the plug back in when he traded the truck in... Thanks guys =]
     
  6. Mark71

    Mark71 Junior Member
    Messages: 26

    bump for you
     
  7. joshg

    joshg Senior Member
    from VT
    Messages: 141

  8. the new boss 92

    the new boss 92 2000 Club Member
    Messages: 2,989

    i normally punch out the the hole were the clutch would go. if there isnt one then i make one were the clutch would normally go, then its out of the way and can easy be repaired with a rubber plug if you sell the truck.
     
  9. Chevy6.0Fisher

    Chevy6.0Fisher Junior Member
    Messages: 6

    sorry lol! Its a 2004 chevy Silverado 2500Hd Ext Cab Short bed, 6.0L Automatic Push button 4x4... I actually ran it through a rubber thingy to the right of the steering column...
     
  10. MikeRi24

    MikeRi24 Senior Member
    Messages: 563

    Whatever you do, DO NOT push it between the grommet and the firewall! even just minor vibrations from normal vehicle operation combined with the pressure against it from the grommet and the metal edge of the firewall WILL slowly wear away the coating on the wires and then you're gonna have major problems and its probably going to happen at 2:30 in the morning while you're plowing a 3' blizzard. o to any auto parts store and you can pick up a firewall grommet just drill a hole in the firewall making sure you check whats on both sides before you drill and give the controller wiring its own grommet and you'll be all set!
     
  11. Chevy6.0Fisher

    Chevy6.0Fisher Junior Member
    Messages: 6

    Mike will it be fine if I back it up with fire loom?
     
  12. captadamnj

    captadamnj Senior Member
    Messages: 148

    Assuming you mean the rubber thingy to the right of the steering column when looking towards the BACK of the truck FROM THE FRONT. That is where I've run all mine through. If you cut into that large grommet and run your wires through the grommet, then you should be ok. if you just pushed the grommet aside and the wires are between the metal and the grommet, that's not so good, even chafing will probably eventually chafe there as noted above.