Operation CHARM
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GMC Truck
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1992
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Typhoon V6-262 4.3L Turbo
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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
HORN
-DM, INST LPS Fuse(s), if fuse(s) is blown, locate and repair source of overload. Replace fuse.