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Pontiac
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1993
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Grand Prix V6-191 3.1L
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Repair and Diagnosis
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Lighting and Horns
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Headlamp
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Testing and Inspection
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Standard Headlights
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Low & Hi Beam Lamps on at the Same Time
Low & Hi Beam Lamps on at the Same Time
Check for short to B+ on CKT. 12 0r 11. If OK, replace headlight dimmer switch.