Sub-Woofer Amplifier Circuit Description (Optional)

^ The optional amplifier boosts the sound of the 2 rear speakers when equipped with the premium sound system.
^ With the ignition switch in the ACC or RUN position and the radio control head ON, battery voltage is supplied from the AUX PWR (Fuse 7). Voltage then goes to the sub-woofer amplifier through CKT 840 (ORN).
^ Ground is completed through CKT 1350 (BLK) at the left rear lamps ground G400.