Radio - Pop in Speakers Power Seat Switch Activated
Bulletin 86-9-11Date
June '86
Ref. No. 86-127-9
SUBJECT: POWER SEAT SWITCH "POP" IN DELCO BOSE RADIO (OPTION UT7)
MODELS AFFECTED: 1986 RIVIERA T-TYPES
Some 1986 Riviera T-Types with Option UT7, Delco Bose Radio, can exhibit an objectionable "pop" in the Bose speakers when a power seat switch is activated.
A seat suppression jumper, Part No. 20703379, and strap, Part No. 3816659, will correct this condition and are now available from GMWDD. Two suppression jumpers and two straps are required on each vehicle that exhibits this condition. The following procedure should be followed when installing the jumper and strap:
1. Run both driver and passenger seats to their full forward positions.
2. With the ignition "off", disconnect the negative battery cable.
WIRING CONNECTION FOR POWER SEAT:
3. Working from behind the driver's seat, disconnect the power feed (see illustration, two-way connector with black and orange/black wires) for the seat motor.
4. Install the suppression jumper and strap the harness to the adjuster cable as per the illustration.
5. Repeat the procedure for the passenger seat.
6. Reconnect the battery.
7. Return the seats to their normal positions.
WARRANTY INFORMATION:
LABOR OPERATION NUMBER: T5114
LABOR TIME: 0.2 hours
TROUBLE CODE: 92