REAR END GATE WINDOW RELEASES WITHOUT ACTIVATION. Chevrolet Astro

SUBJECT: REAR END GATE WINDOW RELEASES WITHOUT ACTIVATION, OR INOPERATIVE; OR RADIO STAYS ON WITH IGNITION KEY OFF (REPLACE CONNECTOR C300)

MODELS: 1992-94 CHEVROLET AND GMC TRUCK M/L VAN WITH END GATE WINDOW, ALSO KNOWN AS DUTCH DOORS (RPO E54)

CONDITION:

SOME OWNERS MAY EXPERIENCE THE REAR END GATE WINDOW OPENING WITHOUT THE ACTIVATION OF THE WINDOW RELEASE BUTTON ON THE INSTRUMENT PANEL, OR FIND THE WINDOW TO BE INOPERATIVE UPON ACTIVATING THE WINDOW RELEASE BUTTON. THE OWNER MAY ALSO OBSERVE THE RADIO ON AFTER THE IGNITION KEY IS OFF.

CAUSE:

THESE CONDITIONS HAVE BEEN KNOWN TO BE CAUSED BY MOISTURE INTRUSION RESULTING IN CORROSION OF THE CONNECTOR (C300) AT THE FOOT OF THE A PILLAR ON THE PASSENGER SIDE.

CORRECTION:

DETERMINE SOURCE OF MOISTURE AND INSTALL PROPER SEAL TO PREVENT RECURRENCE OF MOISTURE INTRUSION. REPLACE CONNECTORS (P/N 12101852 AND 12101854) AND REPLACE TERMINALS (P/N 12048074) IN ACCORDANCE WITH THE DRIVEABILITY, EMISSIONS AND ELECTRICAL DIAGNOSIS MANUAL, SECTION 8A-2. USE SILICONE GREASE ON NEW TERMINALS TO PREVENT CORROSION. LABEL WIRES PRIOR TO REPLACEMENT OF CONNECTORS TO ASSURE PROPER LOCATION IN NEW CONNECTORS.

SERVICE PARTS INFORMATION

P/N DESCRIPTION QTY

12101852 CONNECTOR 1 12101854 CONNECTOR 1 12048074 TERMINAL (PACKAGE OF 10) 1

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME N6237 DOOR LOCK CONNECTOR - BACK USE PUBLISHED LABOR OPERATION TIME

FIGURES: 1

CAPTIONS: FIGURE 1 - LIFTGATE HARNESS CONNECTOR

Object Number: 82855 Size: FS

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.