SMU - SECTION 6A - IGNITION SET TIMING. GMC Truck S15 Pickup

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6A - IGNITION SET TIMING CONNECTOR LOCATION

MODELS: 1994 CHEVROLET AND GMC TRUCK S/T MODELS 1994 OLDSMOBILE BRAVADA WITH 4.3L ENGINE (VINS W AND Z - RPOS L35 AND LB4)

THE LOCATION OF THE SET TIMING CONNECTOR IS INCORRECTLY CALLED OUT IN "SECTION 6A" (PAGE 6A-8) OF THE "DRIVEABILITY, EMISSIONS AND ELECTRICAL DIAGNOSIS", SERVICE MANUAL AND IN THE 1994 OLDSMOBILE BRAVADA SERVICE MANUAL SUPPLEMENT (PAGE 6E3-C4-8).

THE CORRECT LOCATION OF THE SET TIMING CONNECTOR IS INSIDE THE CAB WHERE THE HEATER BOX AND THE CARPET MEET ON THE PASSENGER SIDE FLOOR.

PULL CARPET BACK TO EXPOSE THE SINGLE WIRE AND CONNECTORS ON THE OUTSIDE OF THE CONTROL MODULE HARNESS. THE WIRE COLORS ARE TAN WITH A BLACK STRIPE.

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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.