buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Backup Lamp|Testing and Inspection > < General Information|Page 10366
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Backup Lamp: Description and Operation

Voltage is applied at all times through the TURN/BU Fuse to the Park/Neutral Position (PNP) Switch. Whenever the gear selector lever is shifted to
"REVERSE," the Switch closes and voltage is applied to the Backup Lights.

Backup Lamp|Testing and Inspection > < General Information|Page 10366