Operation CHARM
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Pontiac
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1993
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Grand AM V6-3300 3.3L
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Repair and Diagnosis
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Lighting and Horns
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Horn
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Testing and Inspection
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Troubleshooting Hints
Troubleshooting Hints
1.
Check
HORN
Fuse by visual inspection.
2.
If
HORN
Fuse blows when replaced, check CKT 40, CKT 29 and horns for a short to ground.
3.
If only one
Horn
sounds, check CKT 29 and the suspect Horn.