Question about 1987 GMC VanDura

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Van dies when I turn on the headlights!

I have a 1989 GMC Vandura. Runs great but as soon as I turn on my headlights it dies on the spot. Any ideas?

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  • Anonymous Mar 16, 2014

    my 1989 gmc suurban runs ut when i turn the lights on the truck dies

  • Anonymous Mar 16, 2014

    my 1989 gmc suurban runs ut when i turn the lights on the truck dies

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2 Answers

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Dossperado

I think you have a short where the wiring harness plugs into the fuse block .I'ts located on the
firewall,just above the battery. Look at the lower left corner for signs of a hot spot,melting or
burned wire.



motorman

Posted on Jan 06, 2009

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Check your alternator for output, check your battery by putting a load test on it while positive cable is unhooked. If these are ok, then check for direct either in light switch or whole light circuit.

Posted on Oct 15, 2008

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