GM Service Manual Online
For 1990-2009 cars only

CAMPAIGN: INCORRECT TAILGATE LOCK RELEASE WIRING

GENERAL MOTORS HAS DETERMINED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLES SAFETY EXISTS IN SOME 1984 PONTIAC 6000 STATION WAGONS EQUIPPED WITH THE REMOTE TAILGATE LOCK RELEASE FEATURE. THIS FEATURE IS DESIGNED SO THE TAILGATE LOCK CAN BE RELEASED ONLY WHEN THE TRANSMISSION IS IN PARK. DUE TO AN ELECTRICAL WIRING ERROR, THE REMOTE RELEASE BUTTON CAN BE ACTIVATED WHILE THE VEHICLE IS MOVING. RELEASING THE LOCK WHILE THE VEHICLE IS MOVING COULD ALLOW THE TAILGATE TO OPEN. THIS MIGHT RESULT IN INJURY TO PASSENGERS IN THE REAR COMPARTMENT AREA. DEALER ACTION TO PREVENT THE POSSIBILITY OF THIS CONDITION OCCURRING ON VEHICLES INVOLVED, DEALERS ARE TO REPLACE THE JUMPER WIRE AS INSTRUCTED IN THE SERVICE PROCEDURE OF THIS BULLETIN. THE REMOTE RELEASE MUST THEN BE CHECKED TO BE SURE IT OPERATES ONLY WHEN THE TRANSMISSION IS IN PARK, WITH THE IGNITION SWITCH IN THE RUN POSITION. VEHICLES INVOLVED VEHICLES INVOLVED ARE CERTAIN 1984 6000 STATION WAGONS WITHIN THE FOLLOWING PARAMETERS: BEGINNING UP TO AND MODEL ASSEMBLY PLANT VIN INCLUDING 6000 (STATION WAGON) OSHAWA (1) E1200035 E1231764 SERVICE PROCEDURE PART I - REPLACEMENT OF JUMPER WIRE 1. RAISE HOOD. 2. DISCONNECT NEGATIVE BATTERY CABLE. 3. REMOVE RIGHT INSTRUMENT PANEL HUSH PANEL. 4. REMOVE LEFT INSTRUMENT PANEL HUSH PANEL. 5. REMOVE TAILGATE INTERLOCK JUMPER WIRE. THIS JUMPER WIRE IS SHORTER THAN THE CORRECT JUMPER WIRE AND IS NOT ROUTED AS SHOWN IN FIGURE 1. 6. INSTALL NEW JUMPER WIRE, TO BE OBTAINED FROM ZONE OFFICE AS NECESSARY. SEE ROUTING OF JUMPER WIRE IN FIGURE 1. 7. RECONNECT NEGATIVE BATTERY CABLE. 8. CHECK OPERATION OF TAILGATE RELEASE. IT SHOULD BE ACTIVATED IN PARK ONLY WITH IGNITION SWITCH IN RUN POSITION. SEE: SERVICE PROCEDURE (PART II) TAILGATE RELEASE - FUNCTIONAL CHECK. 9. INSTALL LEFT INSTRUMENT PANEL HUSH PANEL. 10. INSTALL RIGHT INSTRUMENT PANEL HUSH PANEL. PART II - TAILGATE RELEASE - FUNCTIONAL CHECK IGNITION SWITCH TRANS. LEVER POSITION TAILGATE RELEASE ACCESSORY P INOPERATIVE OFF P,R,N,D,3,2 INOPERATIVE RUN R,N,D,3,2 INOPERATIVE RUN P OPERATIVE IF TAILGATE RELEASE DOES NOT OPERATE AS OUTLINED ABOVE, REFER TO 1984 PONTIAC SERVICE MANUAL, VOLUME 3 SECTION 8A, PAGES 167 AND 329 FOR ELECTRICAL DIAGNOSIS AND TROUBLE SHOOTING AND REPAIR AS NECESSARY. PARTS INFORMATION THE PARTS FOR THIS CAMPAIGN ARE TO BE OBTAINED FROM THE ZONE OFFICE AS NECESSARY.

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.