headlights and interior/dash lights will not come on,but engine starts

2002 DODGE DAKOTA
93,000 MILES • V8 • 4WD • AUTOMATIC
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MELOMAN01
  • MEMBER
  • 1 POST
2002 dodge dakota 4door 4x4 v8;engine still starts.in addition,engine service light and 4wd service light is on.
please let know what problem could be.

thanks
Mar 9, 2011 at 5:00 PM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Have the trouble codes checked. We can check voltage and ground circuits at the headlamps, go from there. In the diagram, the wires on top are voltage wires for the headlamps, hi/lo beams. Black wire is ground.

The headlamp switch controls part of the ground circuits. The headlamp control knows when the headlamp switch is turned on because certain circuits are grounded.
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May 21, 2011 at 1:08 PM
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