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Troubleshooting Guide
Symptom
1
System will not turn on
Volume is too loud with
2
aftermarket headunit.
Subwoofer sounds very
4
low.
One of the speakers has
5
no sound.
Airbag light is on
6
System turns on only on
7
radio source
Possible Cause
Missing or blown fuse ar 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
Jeep Wrangler
UNLIMITED JK
Remedy
Insert or replace fuse
Verify that Remote Turn-On wire is
connected.
Ensure that the low level RCA adapters are
use 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.
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