by sta evans on January 26th, 2005

sta evans

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On my 1993 GMC truck, I installed a bulb in the instrument cluster. Now the instrument and parking lights will not come on when the switch is in the on position, but the dome light and headlights work. How can I fix this?

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Answers. 2 helpful answers below.

  • by G-MAN on October 4th, 2008

    G-MAN

    no no no it is a bad ground wire check all the ground wires there are lots but mainly find the one that is used for the rear lights and it will work rate my answer after u fix it using my advice

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  • by technician on March 4th, 2007

    technician

    you may have blown the part of the switch that opperates the parking and instrument lights the other thing is that those trucks have a seperate fuse for the parking lights, make sure when checking the fuse you use a volt meter set to dc current.

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You're reading On my 1993 GMC truck, I installed a bulb in the instrument cluster. Now the instrument and parking lights will not come on when the switch is in the on position, but the dome light and headlights work. How can I fix this?

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