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EIS wiring harness

Discussion in 'Sno-Way Discussion' started by 99marshall99, Feb 16, 2009.

  1. 99marshall99

    99marshall99 Junior Member
    Messages: 22

    Hi I am thinking of upgrading to an '08 F-250 or F-350 from my F-150 and would like to know if I am going to have to splice into the wiring again to hook up the EIS as I had to for the F-150. If I am going to have to do this, does anyone know of an HD truck that you don't have to do this to? I would like to leave my new truck as stock as possible. I am thinking a megablade would be a nice addition to the truck but may have to go with something else if SW doesn't have out the wireless ProControl by the time I decide to put a plow on it.

    Thanks for your help!
     
  2. TurfToppers

    TurfToppers Junior Member
    Messages: 16

    I helped a friend install a 32series 9' on his 08 F450 and we had to splice the EIS lights on it.
     
  3. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    It's getting harder to wire in the lights with out a little splicing. You need to diode it to prevent computer issues.
     
  4. 99marshall99

    99marshall99 Junior Member
    Messages: 22

    Okay. So any new truck you will pretty much have to do splicing then unless Sno-way decides to diode the wiring. Do you have to splice into the wiring with other brands of plows as well for the lights?
     
  5. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    Most model (plows and trucks) require you to tap into the turn signials and parking lights. some of the new trucks REQUIRE diodes to eliminate the truck lights when the plow is plugged in prevent issues with the computer "seeing" to much amp draw.
     
  6. 99marshall99

    99marshall99 Junior Member
    Messages: 22

    Ah, I get it now. Sno-Way is putting diodes in some of their wiring so it will work on the new trucks. Other manufacturers must do the same then?
     
  7. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    The DD triplets use iso-modules, and all the others will have to develop some type of system to deal with the extra amp draw confusing the computer.