Audio System - Poor Radio Sound Quality/Bass
Group: 91Number: 02-04
Date: Mar. 28, 2002
Subject:
Premium VI Radio, Poor Sound Quality, Insufficient Bass on Left Side of Vehicle
Model(s):
All with Monsoon Radio 2002
Supersedes T.B. Group 91 No. 02-02 dated Mar. 28, 2002 due to wiring diagram correction
Condition
Radio exhibits poor sound quality or insufficient Bass on left side of vehicle.
May be caused by wiring reversed on terminals 3 and 7 of tan connector on back of radio.
Service
^ With key out of ignition.
- Remove radio See VESIS Repair Group 91-Radio, Telephone, Navigation, Trip computer, "Radio, removing and installing".
- Remove black connector block from radio.
- Inspect tan connector, terminals 3 and 7 (arrows) for proper placement.
^ Terminal 3 color code should be yellow
^ Terminal 7 color code should be black
If wire colors are incorrect:
- Remove tan connector block from black connector block.
- Remove terminals in cavities 3 and 7.
- Install terminals into correct cavities.
- Reinstall tan connector into black connector block.
- Reinstall black connector block to radio.
- Reinstall radio.
- Check radio for correct sound quality.