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GMC Truck
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1996
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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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Backup Lamp
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Testing and Inspection
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Troubleshooting Hints
Troubleshooting Hints
(PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS)
1.
Check condition of TURN B/U Fuse. If fuse is open, LOCATE and REPAIR source of overload. Replace fuse.
2.
If fuse is not open, proceed with
Diagnostics.
Diagnostic Charts