Operation CHARM
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GMC Truck
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1997
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S15/T15 Sonoma P/U 2WD V6-4.3L VIN X
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Repair and Diagnosis
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Lighting and Horns
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Fog/Driving Lamp
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Testing and Inspection
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Troubleshooting Hints
Troubleshooting Hints
1.
Check condition of
DRL
/FOG and ILLUM Fuse(s). if Fuse(s) is open, locate and repair source of overload. Replace fuse.
2.
If fuse is not open, proceed with diagnostics.