Tape Deck - Noise During Windshield Wiper Operations
87chevy18TO: THE FOLLOWING NON-DEALER RECIPIENTS: TSB # 01091187
AREA MANAGER SERVICE-CMC STAFF ASSISTANT-DEALER OPERATIONS
The following Administrative Message is being sent to DCS dealers.
NOTE: Branches are to contact non-DCS dealers with this information.
** ADMINISTRATIVE MESSAGE 01- CREATED ON 9/11/87 AT 9:00 A.M. PAGE ONE
TO: ALL CHEVROLET DEALERS
SUBJECT: TAPE DECK NOISE DURING WINDSHIELD WIPER OPERATIONS
MODEL & YEAR: 1988 CHEVROLET CELEBRITY EQUIPPED WITH AM/FM STEREO AND CASSETTE (RPO UM6) AND PRODUCED AT OKLAHOMA CITY ONLY
SOME EARLY BUILT 1988 CHEVROLET CELEBRITIES MAY EXHIBIT AN INTERFERENCE TYPE NOISE ON THE RADIO DURING TAPE PLAYER OPERATION WITH THE WINDSHIELD WIPERS OPERATING. THIS CONDITION IS DUE TO AN IMPROPER GROUND PATH.
INVOLVED ARE CERTAIN 1988 CHEVROLET CELEBRITY MODELS EQUIPPED WITH AM/FM STEREO AND CASSETTE AND PRODUCED AT OKLAHOMA CITY WITHIN THE FOLLOWING BREAKPOINTS (APPROXIMATELY 1200 TOTAL UNITS INVOLVED):
PLANT FROM THROUGH
OKLAHOMA CITY J6100001 J6102903
A PRODUCT CAMPAIGN BULLETIN WILL BE FORTHCOMING AS SOON AS PRACTICABLE. UNTIL SUCH TIME, ALL INVOLVED IN-STOCK VEHICLES ARE TO BE CORRECTED PRIOR TO SALE ACCORDING TO INSTRUCTIONS BELOW.
1. DISCONNECT NEGATIVE BATTERY CABLE.
2. REMOVE RADIO.
3. DISCONNECT THREE CONNECTORS FROM RADIO. REMOVE EXISTING GROUND CONNECTOR AT REAR OF RADIO (ATTACHED TO RADIO WITH A NUT TO A SCREW/SPRING CLIP).
4. CUT RING TERMINAL FROM GROUND WIRE AND DISCARD RING TERMINAL, NUT AND SCREW/SPRING CLIP. STRIP GROUND LEAD, THEN CRIMP AND SOLDER A MALE RADIO TERMINAL, P/N 12040500 (ONE [1] P/N 12040500 CONTAINS TEN [10] TERMINALS, ORDER FROM GMSPO), TO GROUND LEAD.
5. PLUG NEW GROUND TERMINAL INTO "G" CAVITY OF POWER CONNECTOR (BLACK CONNECTOR). MAKE SURE IT LOCKS POSITIVELY.
6. INSERT POWER CONNECTOR INTO RADIO, INSERT SPEAKER CONNECTORS, THEN REINSTALL RADIO INTO DASH.
7. RECONNECT NEGATIVE BATTERY CABLE. CHECK TAPE PLAYER FOR ELIMINATION OF INTERFERENCE NOISE.
8. INSTALL CAMPAIGN IDENTIFICATION LABEL, CAMPAIGN NUMBER IS 88C07.
LABOR OPERATION: V4230, LABOR TIME: 0.8 HRS. PLUS 0.1 HRS. CAMPAIGN ADMINISTRATION. KEEP A SEPARATE REPAIR ORDER FOR EACH VEHICLE CORRECTED. SUBMIT CLAIMS FOR CREDIT AFTER RECEIPT OF CAMPAIGN BULLETIN. CLAIMS RECEIVED PRIOR TO CAMPAIGN BULLETIN PUBLICATION WILL BE REJECTED.