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Home >> Buick >> 2005 >> Century Custom >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Body Control System) >> Description and Operation >> Body Control System Description and Operation >> Relay Controlled Power Mode >> Retained Accessory Power (RAP) Relay
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Retained Accessory Power (RAP) Relay

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.

The RAP relay is energized when the Run or Accessory power mode has been selected. The relay uses a Hot At All Times B+ power source derived from the underhood electrical center. The B+ power source is protected by the 50 Amp BATT MAIN 2 fuse. The BCM also energizes the relay for 10 minutes after the vehicle operator transitions the ignition switch from Accessory to OFF or Run to OFF positions. The following circuits are controlled by the RAP relay:

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