For 1990-2009 cars

# SMU - SECTION 8A-50 - REVISED INFO. FOR DATA LINK CONNECTOR

#### SUBJECT: SERVICE MANUAL UDPATE - SECTION 8A-50 - REVISED INFORMATION FOR DATA LINK CONNECTOR (DLC) - CHART #1

#### MODELS: 1996 BUICK LESABRE, PARK AVENUE, RIVIERA 1996 OLDSMOBILE AURORA, EIGHTY EIGHT, LSS, NINETY EIGHT 1996 PONTIAC BONNEVILLE

THIS BULLETIN IS BEING ISSUED TO REVISE INFORMATION FOR DATA LINK CONNECTOR (DLC) CHART #1 IN SECTION 8A-50 OF THE APPROPRIATE SERVICE MANUALS.

THE FOLLOWING PAGES ARE AFFECTED:

- PAGE 8A-50-8 OF THE 1996 C/H SERVICE MANUAL

- PAGE 8A-50-10 OF THE G SERVICE MANUAL

THE FOURTH BOX DOWN ON THE LEFT SIDE OF CHART #1 CURRENTLY CONTAINS THE FOLLOWING INFORMATION:

- USING J 39200 DIGITAL VOLTMETER SET TO OHMS SCALE, CHECK RESISTANCE FROM DLC TERMINAL 16 TO GROUND, THEN DLC TERMINAL 4 TO GROUND. ARE READINGS LESS THAN 5 OHMS?

THIS STEP (WHICH IS CHECKING THAT THE TWO DATA LINK CONNECTOR GROUNDS ARE OK) SHOULD READ AS FOLLOWS:

- USING J 39200 DIGITAL VOLTMETER SET TO OHMS SCALE, CHECK RESISTANCE FROM DLC TERMINAL 5 TO GROUND, THEN DLC TERMINAL 4 TO GROUND. ARE READINGS EACH LESS THAN 5 OHMS?

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.

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