Operation CHARM
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GMC Truck
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1986
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G 2500 3/4 Ton Van V8-379 6.2L DSL
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Repair and Diagnosis
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Lighting and Horns
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Headlamp
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Headlamp Dimmer Switch
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Service and Repair
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Floor Mounted Dimmer Switch
Floor Mounted Dimmer Switch
1.
Disconnect battery ground cable.
2.
Fold back carpeting in area of switch, then disconnect electrical connector from switch.
3.
Remove switch retaining screws and the switch.
4.
Reverse procedure to install.