SMU - SECTION 3A, 6E3 & 7A14C- DRIVEABILITY & EMISSIONS. GMC Truck S15 Pickup - 2WD 1994

For 1990-2009 cars

# SMU - SECTION 3A, 6E3 & 7A14C- DRIVEABILITY & EMISSIONS

#### SUBJECT: SERVICE MANUAL UPDATE-SECTIONS 3A, 6E3 AND 7A14C- DRIVEABILITY EMISSIONS AND ELECTRICAL DIAGNOSIS-REVISED CIRCUIT CALLOUT

#### MODELS: 1994 CHEVROLET AND GMC TRUCKS S/T MODELS WITH 2.2L AND 4.3L ENGINES (VINS 4, W, Z-RPOS LN2, L35, LB4) 1993 OLDSMOBILE BRAVADA WITH 4.3L ENGINES (VIN W-RPO L35)

THIS BULLETIN IS TO ADVISE OF AN INCORRECT CIRCUIT CALLOUT IN THE FOLLOWING SERVICE MANUALS:

1993 OLDSMOBILE BRAVADA SERVICE MANUAL, SECTION 6E3, PAGES 6E3-A5, 6E3-A11, 6E3-A44, 6E3-B24, 7A14C-22, 7A14C-38, 7A14C-60, 7A14C-79 AND 7A14C-84.

1994 S/T DRIVEABILITY EMISSIONS AND ELECTRICAL DIAGNOSIS MANUAL, PAGES 3A-86, 3A-94, 3A-135, 3A-148, 3A-152, 3A-156, 3A-162, 3A-166, 3A-170, 3A-174, 3A-178 AND 3A-182.

THE CORRECT CIRCUIT CALL IS AS FOLLOWS: PCM CONNECTOR (F) - PIN 12 CIRCUIT SHOULD BE 1697 BRN/WHT. PCM CONNECTOR (F) - PIN 13 CIRCUIT SHOULD BE 437 BRN.

FIGURES: 00 ATTACHMENTS: 00

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. COPYRIGHT 1995 GENERAL MOTORS CORPORATION ALL RIGHTS RESERVED.