Troubleshooting - Jensen CMR682 Installation & Owner's Manual

CMR682 OPERATION
Problem
Unit will not turn on
(no power)
Unit has power
(but no sound)
Unit blows fuse(s)
Unit has audio
(but no video)
No video display
(when in reverse)
IR remote does not work
19

Troubleshooting

Cause
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Black wire not connected
Fuse blown
Speaker wires not connected
One or more speaker wires touching each
other or touching chassis ground
Yellow or red wire touching chassis ground
Speaker wires touching chassis ground
Incorrect fuse rating
Parking brake safety circuit not connected
Parking brake not applied
Reverse circuit not connected
Vehicle is not in reverse
Dead battery
General
Check connections for proper voltage (11~16VDC)
Check connection to ground
Replace fuse(s)
Check connections at speakers
Insulate all bare speaker wires from each other and
chassis ground
Check for pinched wire
Check for pinched wire
Use fuses with correct rating
Check connections at parking brake
Apply parking brake as described
Check connections at reverse lamp
Select reverse gear
Replace battery
Action
on page 26