Operation CHARM
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GMC Truck
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1995
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Repair and Diagnosis
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Lighting and Horns
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Testing and Inspection
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Component Tests and General Diagnostics
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Interior Lights
Interior Lights
1.
Check condition of
HORN
/DM Fuse. If fuse is blown, locate and repair source of overload. Replace fuse.
2.
If fuse is not blown, proceed with
Diagnostics.