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problem with 4 head light system

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Antonio, Mar 12, 2002.

  1. Antonio

    Antonio Newbie

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    All 4 of my lights come on, on low beam, just the left upper one is bright, and the other 3 are very dim. On hi beam, both left lights get bright, and the two right lights are dim. i have replaced all four lights. my truck is a 1986 GMC fullsize Jimmy 4x4. can anyone help me?
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Something tells me that you should go through and clean the headlight grounds up, (one on each side, on core support IIRC) as well as the connections to the light bulbs themselves. (use a knife or just remove the wires from the connectors with a paper clip)

    And I have to assume you are using the correct 2/3 prong light bulbs as well, even though that isn't the problem I'm pretty sure.
     

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