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Lighting Wire Harness 2005 to 1995 GMC

Discussion in 'Fisher Engineering Discussion' started by gerardk, Nov 23, 2011.

  1. gerardk

    gerardk Junior Member
    Messages: 4

    Will the lighting harness and a 3 port Isolation Control module from a 2005 GMC work on an older 1995 GMC ?. I assume the plow side of the harness will work but wonder if the lighting will work.? Thanks for any responses.
  2. LON

    LON Senior Member
    Messages: 749

    HB3/HB4 to HB3/HB4 Yes!
    HB3/HB4 to 2B No. 29051 would be needed
  3. chevyzrule810

    chevyzrule810 PlowSite.com Addict
    Messages: 1,288

    Lon is correct as long as they both have the HB3/HB4 bulbs they will plug right in.Otherwise you will need harness 29051.Much easier to work with isolation module then a mess of relays.