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guages work till i pull headlights on??

Discussion in 'The Garage' started by boggerless, Jun 8, 2005.

  1. boggerless

    boggerless 1 ton status Premium Member

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    it's a 86 cab on a 79 jimmy frame.all the lights work also????
     
    Last edited: Dec 2, 2007
  2. mechted

    mechted 1 ton status Premium Member

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    check the ground connection
    i had this problem with my aftermarket tach about a week ago, apparently the light connection acts as a ground while in the "off position"
    when i turned on the lights one night, open circuit on the tach... turned out to be a loose grounding wire
     
  3. Pookster

    Pookster 1/2 ton status

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    I point to the ground. I had the same problem when I took apart my dash. Ironically, it was the ground attached to a wire, to one screw. Made my whole dash go haywire when the lights were on.
     
  4. boggerless

    boggerless 1 ton status Premium Member

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    thanks guys. :D the grounding i will go.the grounds seem ok , but i noticed tonight that i stepped the brake lines onto the steering shaft. :doah: maybee i got a ground wire at a different time. :confused: :laugh:
     

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