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  1. #1

    Default 92 sierra low beams do not work high beams do??

    Hi i have a 1992 stepside z71 4x4 with 350, just got the truck its old and a little beat up and started fixing things, now Im down to the headlights and the low beams dont work, but the high beams do. i checked the bulbs first with an ohm meter and then hooked up 12v and they work out of the truck, so its not the bulb. today i bought a new headlight switch and changed it out, still no low beams. im looking for a wiring diagram or someone to tell me where there is either the relay for the low beams or a fuse or what ever ideas you may have.

    thanks for any sugestions you can give.....
    Jim - MO
    (in the past)
    1976 Blazer (454,3/4 ton, 39.5x16.5 swampers) had it 23years stolen 3years ago :grrrrrr:
    1985 Reg cab 4x4 (350,1/2 ton)
    1986 Blazer (350,1/2 ton)
    1992 Sonoma (4.3 non-vortec 2wd)
    1992 Step-side Sierra Z71 (355,4x4,1/2 ton)
    :gasp:(wife's Truck)
    2007 Dodge Ram Big Horn (4.7 flex fuel,2wd,1/2 ton)

  2. #2


    Your probly missing a ground somewhere, Check to see if your getting power when on low and if you are its the ground.

    1995 Chevy Silverado
    Fully loaded!!!
    4Wheel Drive
    5.7 Liter
    Best Engine In The World!!!!!
    Once i had a nearly dead battery and was only able to get 1 slow crank per attempt, Once to the fifth crank she fired up! (True Story)
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