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Circuit Description

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

When the BCM receives a class 2 signal from the power control module (PCM) indicating the gear selector is in the REVERSE position, the BCM applies battery positive voltage to the backup lamps voltage supply circuit. The backup lamps are grounded at G302.

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