DISTORTED OR NO SOUND FROM RIGHT FRONT SPEAKER. Oldsmobile Cutlass Supreme 1994

REVISED: 02/18/94

BULLETIN BEING REVISED TO CHANGE THE SERVICE MANUAL SECTION NUMBER IN STEP ONE OF THE CORRECTION SECTION ----------------------------------------------------------------------

SUBJECT: DISTORTED OR NO SOUND FROM RIGHT FRONT SPEAKER (DIAGNOSTIC PROCEDURE)

MODELS: 1994 OLDSMOBILE CUTLASS SUPREME

CONDITION:

SOME OWNERS MAY COMMENT ABOUT A DISTORTED SOUND, OR NO SOUND, FROM THE RIGHT FRONT SPEAKER.

CAUSE:

THE AMPLIFIER, USED WITH THE UQ3 SPEAKER SYSTEM, MAY HAVE HAD A SCREW DRIVEN THROUGH THE INTERNAL SPEAKER LEADS DURING COMPONENT ASSEMBLY. A SIMILAR CONDITION COULD ALSO OCCUR IF A VEHICLE SPEAKER WIRE WERE SHORTED DURING VEHICLE ASSEMBLY.

CORRECTION:

USE THE FOLLOWING PROCEDURE TO DETERMINE WHETHER THE AMPLIFIER SHOULD BE REPLACED:

1. LOCATE THE AMPLIFIER AS SHOWN IN THE 1994 SERVICE MANUAL, SECTION 8C-18, FIGURE 20.

2. WITH THE AMPLIFIER CONNECTED, AND THE RADIO POWER OFF, MEASURE THE RESISTANCE TO GROUND AT TERMINALS 1 AND 2 OF THE CONNECTOR. THE CONNECTOR IS SHOWN IN DETAIL ON PAGE 8A-150-5.

IF BOTH SPEAKER LEADS READ OPEN, THIS BULLETIN WILL NOT APPLY. USE NORMAL DIAGNOSTIC METHODS TO CORRECT THE CONDITION.

IF EITHER SPEAKER LEAD SHOWS LOW RESISTANCE, DISCONNECT THE AMPLIFIER CONNECTOR AND MEASURE THE RESISTANCE TO GROUND OF THE LEADS **TO THE SPEAKERS**. IF EITHER OF THESE LEADS SHOW ANYTHING BUT OPEN FROM SPEAKER PIN TO GROUND, LOOK FOR PINCHED OR SHORTED LEADS IN THE VEHICLE WIRING. IF BOTH LEADS READ OPEN, REPLACE THE AMPLIFIER WITH P/N 16193123.

PART AVAILABILITY:

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE: LABOR OPERATION: R0820 LABOR TIME: 0.9 HR. (NEW TIME)

FIGURES: 0

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.