Alpine PSS-23WRA Owners Manual - Page 11

UNLIMITED JL Jeep Wrangler ˜ 11/11 Troubleshooting Guide Symptom 1 System will not turn on 2 Volume is too loud with aftermarket headunit. 3 Subwoofer sounds very low. 4 One of the speakers has no sound. 5 Airbag light is on 6 System turns on only on radio source Possible Cause Missing or blown fuse at the battery Radio's Remote Turn-On wire may be disconnected. Speaker level out is connected at the T-Harness. Amplifiers gain control has not been properly adjusted. Gain level may be down to the lowest setting. Audio Phase may be reversed. Disconnected pin or loose connection. Failed to disconnect the battery while working on the vehicle. Aftermarket Power Antenna wire is connected to amp Remedy Insert or replace fuse Verify that Remote Turn-On wire is connected. Ensure that the low level RCA adapters are used in aftermarket headunit system (refer to the corresponding wiring diagram). Refer to the corresponding system diagram. Adjust level to reccommended setting (refer to the corresponding wiring diagram). Ensure that the PHASE is set to 0˚. Check all connections to the speaker, loose pins, disconnected terminals etc.. Disconnect the battery and re-connect after 5 minutes. If problem is not solved, the vehicle will have to be taken to a Jeep dealer. Connect the Remote Turn-On wire (Blue/ White) to the Blue wire on the amplifier harness.