HEATED SEATS DO NOT BECOME WARM ENOUGH. Cadillac Eldorado 1997

SUBJECT: HEATED SEATS DO NOT BECOME WARM ENOUGH (INSTALL JUMPER HARNESS)

MODELS: 1997 CADILLAC DEVILLE, ELDORADO AND SEVILLE WITH KA1 HEATED SEATS

CONDITION:

SOME CUSTOMERS MAY COMMENT THAT THE HEATED SEAT DOES NOT BECOME WARM ENOUGH. DURING NORMAL DIAGNOSTICS, TECHNICIAN FINDS HEATED SEAT OPERATES NORMALLY.

CORRECTION:

INSTALL JUMPER HARNESS, P/N 25680104. A NEW JUMPER HARNESS HAS BEEN RELEASED THAT IS INSTALLED IN LINE WITH THE HEATED SEAT TEMPERATURE SENSOR. THIS JUMPER ALLOWS THE HEATED SEATS TO ACHIEVE A HIGHER TEMPERATURE BEFORE CYCLING THE HEATING ELEMENTS OFF.

REPAIR PROCEDURE:

1. REMOVE THE SEAT TO OBTAIN ACCESS TO THE SEAT HEATER HARNESS UNDER THE BOTTOM SEAT CUSHION. REFER TO SECTION 10-10 OF THE 1997 SERVICE MANUAL.

2. LOCATE HARNESS CONNECTOR C1 (SEE FIGURE 1, ITEM 3) WHICH IS THE 4-WIRE CONNECTOR IN THE HARNESS BETWEEN THE HEATED SEAT RELAY MODULE AND THE SEAT CUSHION HEATING ELEMENT. REFER TO CELL 143 IN SECTION 8A OF THE 1997 SERVICE MANUAL FOR FURTHER INFORMATION.

3. DISCONNECT THE 4-WIRE CONNECTOR.

4. INSTALL THE JUMPER HARNESS, P/N 25680104, BETWEEN THE CONNECTORS DISCONNECTED IN STEP 3.

5. USE 3 CABLE TIES TO SECURE THE HARNESS TO THE SEAT BOTTOM. MAKE SURE THE HARNESS DOES NOT CONTACT ANY MOVING PARTS.

6. REINSTALL THE SEAT. REFER TO SECTION 10-10 IN THE 1997 SERVICE MANUAL.

7. TEST THE HEATED SEATS TO ENSURE PROPER OPERATION.

PARTS INFORMATION:

P/N DESCRIPTION ================ ================= 25680104 JUMPER HARNESS

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION LABOR OPERATION NUMBER DESCRIPTION TIME =============== ============================ ===============

C7167 HARNESS, HEATED SEAT 0.5 HR JUMPER - INSTALL

FIGURES: 01 ATTACHMENTS: 00

FIGURE 1 1. SEAT BACK 2. DRIVER SEAT MEMORY MODULE ASSEMBLY 3. C1 HARNESS CONNECTOR 4. SEAT BACK HEATING ELEMENT HARNESS CONNECTOR (GREEN)

Object Number: 336854 Size: SH

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.