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Home >> Saturn >> 2006 >> ION L4-2.0L SC VIN P >> Repair and Diagnosis >> Lighting and Horns >> Backup Lamp >> Description and Operation
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Backup Lamp: Description and Operation



BACKUP LAMPS

The 15-amp BACK UP fuse in the fuse block - underhood supplies ignition positive voltage to the park/neutral position (PNP) switch of an automatic transmission or the backup lamp switch of a manual transmission. When the transmission is placed in reverse, the appropriate switch supplies voltage to the backup lamps. The backup lamps receive ground at G401 and G403.
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