POOR RADIO RECEPTION (REPLACE ANTENNA CABLE AND AMPLIFIER)

SUBJECT: POOR RADIO RECEPTION (REPLACE ANTENNA CABLE AND AMPLIFIER)

MODELS: 1997-98 CADILLAC CATERA

CONDITION:

SOME OWNERS MAY COMMENT THAT THE AM RADIO RECEPTION IS POOR, THERE IS STATIC ON STRONG STATIONS OR THEY ARE NOT ABLE TO RECEIVE MANY STATIONS.

CAUSE:

THIS CONDITION MAY BE CAUSED BY THE ANTENNA AMPLIFIER, ANTENNA CABLE AND/OR CABLE ROUTING.

CORRECTION:

TO REPAIR THIS CONDITION, REPLACE THE ANTENNA CABLE AND ANTENNA AMPFLIFIER. THE ANTENNA CABLE HAS A GRAY COATING (INSTEAD OF BLACK) AND WILL BE ROUTED ALONG THE RIGHT SIDE OF THE CAR AWAY FROM THE ELECTRICAL CONDUIT. THE ANTENNA AMPLIFIER, WHICH IS LOCATED UNDER THE REAR PARCEL SHELF TRIM, WAS COLORED EITHER BLUE OR GREEN, WHILE THE NEW ONE IS COLORED LIGHT GRAY FOR IDENTIFICATION PURPOSES.

CATERA ANTENNA CABLE / MODULE REPLACEMENT PROCEDURE -

REMOVAL:

1. DISCONNECT THE SEAT BELT LATCH FROM THE BUCKLE ON THE CENTER SEAT BELT. (1998 VEHICLES ONLY).

2. REMOVE THE REAR SEAT CUSHION. REFER TO FIGURE 1.

3. REMOVE THE REAR SEAT-BACK OUTER CUSHIONS.

4. REMOVE THE REAR HEADRESTS. REFER TO FIGURE 2.

5. REMOVE THE REAR HEADREST RETAINERS FROM THE REAR SEAT-TO-BACK WINDOW TRIM PANEL.

6. REMOVE THE REAR CENTER SEAT BELT RETRACTOR COVER AND RETRACTOR. (1998 VEHICLES ONLY).

7. REMOVE THE REAR SEAT SIDE BELT OUTER RETRACTORS (REFER TO FIGURE 3):

- PULL THE BELT UNTIL THE EXCESS IS OFF OF THE SPOOL.

- SECURE THE BELT TO PREVENT BELT RETRACTION.

- REMOVE THE RETRACTOR BOLTS.

8. REMOVE THE RH SIDE REAR SEAT-BACK OUTER CUSHION WHEEL WELL INSULATOR (1). REFER TO FIGURE 4.

9. REMOVE THE SPEAKER GRILLES (5) (IF EQUIPPED). REFER TO FIGURE 5.

10. REMOVE THE FOLDING REAR SEAT-BACK ANCHOR COVERS (3) FROM THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 5.

11. PULL THE EDGE TRIM DOWN FROM THE OPENING TO THE TRUNK.

12. REMOVE THE REAR CENTER ARM REST ANCHOR PIN (4) FROM THE REAR SEAT- TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 5.

13. REMOVE THE 3 "CHRISTMAS TREE" PINS FROM THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 6.

14. REMOVE THE REAR AIR VENT FROM THE REAR SEAT-TO-BACK WINDOW TRIM PANEL.

15. FROM INSIDE THE TRUNK, REMOVE THE REAR SUNSHADE NUTS FROM THE REAR SEAT-TO-BACK WINDOW PANEL (1998 VEHICLES ONLY - IF EQUIPPED).

16. FROM INSIDE THE TRUNK, RELEASE THE 3 REAR SEAT-TO-BACK WINDOW TRIM PANEL PLASTIC PINS.

17. DISCONNECT THE REAR SUNSHADE ELECTRICAL CONNECTOR (1998 VEHICLES ONLY - IF EQUIPPED).

18. REMOVE THE REAR SEAT-TO-BACK WINDOW TRIM PANEL.

19. REMOVE THE ANTENNA AMPLIFIER (2) (2 SCREWS (1), 3 CONNECTORS). REFER TO FIGURE 7.

20. CUT THE END OF THE OLD ANTENNA CABLE FROM THE EXISTING WIRE HARNESS.

21. REMOVE THE RH SIDE CARPET RETAINER SCREW COVERS. REFER TO FIGURE 8.

22. REMOVE THE RH SIDE CENTER PILLAR LOWER TRIM PIECE. REFER TO FIGURE 9.

23. REMOVE THE RH SIDE SEAT TRACK COVER (1 SCREW). REFER TO FIGURE 10.

24. REMOVE THE RH SIDE CARPET RETAINER (7 SCREWS). REFER TO FIGURE 8.

25. REMOVE THE RH SIDE FRONT KICK PANEL (2 SCREWS).

26. REMOVE THE RADIO BEZEL (REFER TO FIGURE 11):

- REMOVE THE TRACTION CONTROL AND HAZARD SWITCH COVERS.

- REMOVE THE SWITCH SCREW COVERS AND THE TRUNK, FUEL DOOR AND HEATED SEAT (IF EQUIPPED) SWITCHES.

- REMOVE THE ASHTRAY.

- REMOVE THE RADIO BEZEL (4 SCREWS).

- REMOVE THE ELECTRICAL CONNECTORS FROM THE RADIO BEZEL.

27. REMOVE THE RADIO AND ELECTRONIC CLIMATE CONTROL (ECC) HEAD (6 SCREWS). DO NOT DISCONNECT THE RADIO AND THE ECC HEAD ELECTRICAL CONNECTORS.

28. DISCONNECT THE ANTENNA CABLE (1) FROM THE BACK OF THE RADIO. REFER TO FIGURE 12.

29. CUT THE OLD ANTENNA CABLE END FROM THE EXISTING WIRE HARNESS.

INSTALLATION:

1. INSTALL THE NEW ANTENNA AMPLIFIER (2 SCREWS, 2 CONNECTORS).

2. STARTING AT THE REAR PARCEL SHELF, ROUTE THE NEW ANTENNA CABLE (AVOID ATTACHING THE NEW ANTENNA CABLE TO PRE-EXISTING WIRE HARNESSES TO PREVENT ELECTRICAL INTERFERENCE):

- PLACE THE TAPE (4) AROUND THE EDGE OF THE HOLE (2) IN THE REAR SEAT-TO-BACK WINDOW PANEL TO PREVENT CHAFING OF THE NEW ANTENNA CABLE (1). REFER TO FIGURE 13.

- ROUTE THE ANTENNA CABLE THROUGH THE HOLE IN THE REAR SEAT-TO-BACK WINDOW PANEL.

- RUN THE ANTENNA CABLE DOWN THE INBOARD SIDE OF THE WHEEL WELL. REFER TO FIGURE 14.

- RUN THE ANTENNA CABLE (2) ALONG THE RH SIDE OF THE VEHICLE TO THE FRONT KICK PANEL. REFER TO FIGURE 15.

- PULL BACK ON THE RH SIDE FRONT CARPET (1) TO EXPOSE THE WIRE CHANNEL (2) ON THE FLOORPAN. REFER TO FIGURE 16.

- ROUTE THE ANTENNA CABLE (1) IN THE TRACK (2) OF THE EXISTING PLASTIC WIRE HARNESS LOCATED ON THE FRONT FLOOR PAN. REFER TO FIGURE 17.

- ROUTE THE ANTENNA CABLE UP TO THE RADIO ALONG THE SIDE OF THE HVAC MODULE.

3. PLUG THE ANTENNA CABLE INTO THE RADIO.

4. CONNECT THE NEW CABLE INTO THE ANTENNA AMPLIFIER.

5. SECURE THE NEW CABLE TO THE REAR SEAT-TO-BACK WINDOW PANEL AND FLOOR PAN WITH DUCT TAPE TO PREVENT VIBRATION.

6. INSTALL THE RADIO AND ELECTRONIC CLIMATE CONTROL (ECC) HEAD (6 SCREWS).

7. INSTALL THE RADIO BEZEL (REFER TO FIGURE 18):

- INSTALL THE ELECTRICAL CONNECTORS TO THE RADIO BEZEL.

- INSTALL THE RADIO BEZEL (4 SCREWS).

- INSTALL THE ASHTRAY.

- INSTALL THE SWITCH SCREW COVERS AND THE TRUNK, FUEL DOOR AND HEATED SEAT (IF EQUIPPED) SWITCHES.

- INSTALL THE TRACTION CONTROL AND HAZARD SWITCH COVERS.

8. REPOSITION THE RH SIDE FRONT CARPET (1). REFER TO FIGURE 19.

9. INSTALL THE RH SIDE FRONT KICK PANEL (2 SCREWS).

10. INSTALL THE RH SIDE CARPET RETAINER (7 SCREWS). REFER TO FIGURE 20.

11. INSTALL THE RH SIDE SEAT TRACK COVER (1 SCREW). REFER TO FIGURE 21.

12. INSTALL THE RH SIDE CENTER PILLAR LOWER TRIM PIECE. REFER TO FIGURE 22.

13. INSTALL THE RH SIDE CARPET RETAINER SCREW COVERS. REFER TO FIGURE 20.

14. INSTALL THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 23.

15. CONNECT THE REAR SUNSHADE ELECTRICAL CONNECTOR (1998 VEHICLES ONLY - IF EQUIPPED).

16. FROM INSIDE THE TRUNK, INSTALL THE REAR SUNSHADE NUTS TO THE REAR SEAT-TO-BACK WINDOW PANEL (1998 VEHICLES ONLY - IF EQUIPPED).

17. INSTALL THE REAR AIR VENT (1) TO THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 24.

18. INSTALL THE 3 "CHRISTMAS TREE" PINS TO THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 25.

19. INSTALL THE REAR CENTER ARM REST ANCHOR PIN (4) TO THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 24.

20. REPOSITION THE EDGE TRIM TO THE TRUNK OPENING.

21. INSTALL THE FOLDING REAR SEAT-BACK ANCHOR COVERS (3) TO THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 24.

22. INSTALL THE SPEAKER GRILLES (5) (IF EQUIPPED). REFER TO FIGURE 24.

23. INSTALL THE RH SIDE REAR SEAT-TO-BACK OUTER CUSHION WHEEL WELL INSULATOR (1). REFER TO FIGURE 26.

24. INSTALL THE REAR SEAT SIDE BELT OUTER RETRACTORS (REFER TO FIGURE 27):

- INSTALL THE RETRACTOR BOLTS. TIGHTEN TO 35 N.M (26 LB FT).

- RELEASE THE SEAT BELT.

25. INSTALL THE REAR CENTER SEAT BELT RETRACTOR COVER AND RETRACTOR. (1998 VEHICLES ONLY).

26. INSTALL THE REAR HEADREST RETAINERS TO THE REAR SEAT-TO-BACK WINDOW TRIM PANEL. REFER TO FIGURE 28.

27. INSTALL THE REAR HEADRESTS.

28. INSTALL THE REAR SEAT-BACK OUTER CUSHIONS.

29. INSTALL THE REAR SEAT CUSHION. REFER TO FIGURE 29.

30. CONNECT THE SEAT BELT LATCH TO THE BUCKLE ON THE CENTER SEAT BELT. (1998 VEHICLES ONLY).

PARTS INFORMATION:

DESCRIPTION PART NUMBER ----------- -----------

ANTENNA CABLE 9120443 ANTENNA AMPLIFIER 9114991

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION LABOR OPERATION NUMBER TIME -------------- ---------------

R0630 1.8 HRS (1997 VEHICLES) 2.0 HRS (1998 VEHICLES)

(LABOR TIME INCLUDES ANTENNA CABLE AND AMPLIFIER MODULE)

FIGURES: 29 ATTACHMENTS: 0

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 1998 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.