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Dim Headlights

Discussion in '1982-Present GM Diesel' started by AzzKicker, Mar 3, 2003.

  1. AzzKicker

    AzzKicker 1/2 ton status

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    Whats a cause of dim headlights. My lights are pretty clean and before I spend money on headlights I want to make sure its not the Alternator.


    Althoughf or Some Odd reason if I'm driving down teh road, my volt meter shows between 14-16volts. mostly 14.

    You think my Alternator is bad. If so, how much do they run for a 6.2J code engine.
     
  2. rugger03

    rugger03 1/2 ton status

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    GM used very small gauge wire for the headlight, if you got the time and inclination i would replace the wires with 10 gauge and install relays. that will probally take care of your dim bulbs.
     
  3. alec78

    alec78 1/2 ton status

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    Also check the body ground! Make sure is is tight and clean. Follow the ground wire from the passanger headlight to the body. Usually a rather rusty spot. If you can check with an ohm meter.
     
  4. Espen88k5

    Espen88k5 1/2 ton status

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    I second <font color="blue">rugger03 </font> The wires are hopelessly underdimensioned (word?)..friend of mine did this, got instant results by using a rele instead of running all the power thru the switch on your dash...
     
  5. imiceman44

    imiceman44 1 ton status

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    [ QUOTE ]
    I second <font color="blue">rugger03 </font> The wires are hopelessly underdimensioned (word?)..friend of mine did this, got instant results by using a rele instead of running all the power thru the switch on your dash...

    [/ QUOTE ]

    I do that to all my cars now.
    It's a trick I learned from all european cars.
    smaller switches better lights.
    /forums/images/graemlins/thumb.gif
     
  6. AzzKicker

    AzzKicker 1/2 ton status

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    Where do I go to get a rele, is there a certain part etc. Where can I find wiring diagrams.
     

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