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2011 2500 HD & 2012 1500 both plow lights dim

Discussion in 'Chevy Trucks' started by CK82, Feb 8, 2012.

  1. CK82

    CK82 Senior Member
    Messages: 185

    Guys,

    So I bought two new trucks this year.

    1) 2011 2500 HD (Dual batteries) transferred my 8 1/2 pro plus to the truck

    2) 2012 1500 (Plow prep package) installed new 7 1/2 poly mid weight


    Never seen this before, unless in operation by trucks without enough juice. Both plows at idle or cruising down the highway at 45mph have very dim low beams. The high beams dont seem too bad, but not certain those are up to standard as well.

    It cant be an under power issue right? Dealer told me possibly the headlight wiring is wired up backwards? Would that be the wiring going into the headlights themselves? Its crazy to think that they are backwards or something on both trucks.

    Any expertise would be great!!

    Thank you, Chris
     
  2. Earthscapes

    Earthscapes Senior Member
    from WNY
    Messages: 577

    Do you have the correct headlight harness's on the new trucks ?
    How about the module that Westerns use ?

    I'm just guessing here, but I know from my Boss install that the new headlight harness's have more relays.
     
  3. leolkfrm

    leolkfrm PlowSite.com Addict
    Messages: 1,439

    sounds like the drl and main light power source is awitched