For 1990-2009 cars

# SERVICE MANUAL UPDATE-SEC. 8A PASS THRU HARNESS CONNECTOR

THIS BULLETIN PROVIDES INFORMATION ON THE PCM/ECM TO ENGINE HARNESS PASS THRU CONNECTOR INTERFACE.

THE PASS THRU INTERFACE WAS ADDED TO EASE THE MANUFACTURING PROCESS. THE PASS THRU HARNESS REDUCES THE POSSIBILITY OF PINCHING AND CHAFING CONDITIONS. THE INFORMATION IS INTENDED AS A SUPPLEMENT TO THE 1992 LUMINA, TRANS SPORT, AND SILHOUETTE APV SERVICE MANUALS. THE INFORMATION APPLIES TO THE 1992 1/2 U-VANS.

THIS INFORMATION IS BEING CONVEYED TO KEEP CAR DEALERS AND CUSTOMERS INFORMED.

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 1992 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.