Driver Door Latch Switch

By Cobra230
September 12, 2010 in Ask A GM Technician

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Cobra230

Posted September 12, 2010

2006HD 6.0

I have electric running boards on my truck and lately been the drivers side has been working intermittently. Spoke with the manufacture of the boards and they believe that it is either the latch switch or the door ajar switch. One thing I have noticed, if the the truck is running and I open the door the interior light come on and then go off immediately (this only happends with the drivers door and only when the truck is running), any suggestions before I take it in.

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