Mobile Telephone and Navigation Antenna Coaxial Cable Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Navigation/Cellular Coaxial Cable

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Lower the front of the headliner. Refer to Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/CJ3) or Headlining Trim Panel Replacement (LWB w/CF5 w/o U42) or Headlining Trim Panel Replacement (LWB w/CF5 and U42) or Headlining Trim Panel Replacement (SWB w/U42 w/o CF5) or Headlining Trim Panel Replacement (SWB w/CF5 w/oU42) or Headlining Trim Panel Replacement (SWB w/CJ3) or Headlining Trim Panel Replacement (LWB w/U42 w/o CF5) or Headlining Trim Panel Replacement (SWB w/o CF5 and U42) or Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/U42 w/o CF5) or Headlining Trim Panel Replacement (Avalanche w/CJ2 w/o CF5 and U42) or Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/CF5 w/o U42) or Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/CF5 and U42) or Headlining Trim Panel Replacement (LWB w/CJ3) or Headlining Trim Panel Replacement (SWB w/CF5 and U42) or Headlining Trim Panel Replacement (LWB w/CJ2) . Remove the upper instrument panel (I/P) defroster grille. Refer to Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (Except Cadillac) or Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (Cadillac) . Remove the instrument panel compartment door. Refer to Instrument Panel Compartment Door Replacement (Except Cadillac) or Instrument Panel Compartment Door Replacement (Cadillac) . Remove the interface communication module. Refer to Communication Interface Module Replacement (Except Cadillac) or Communication Interface Module Replacement (Cadillac) .
1	Navigation/Cellular Coaxial Cable Tip: If the coaxial antenna cable is taped in the wiring harness then just cut the ends off at the interface communication module and the antenna connection and route the new harness next to the old and use tie straps as needed to secure routing. If needed use a piece of mechanics wire or suitable equivalent to route new cable through windshield pillar and I/P area.

Callout

Component Name

Preliminary Procedure

Lower the front of the headliner. Refer to Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/CJ3) or Headlining Trim Panel Replacement (LWB w/CF5 w/o U42) or Headlining Trim Panel Replacement (LWB w/CF5 and U42) or Headlining Trim Panel Replacement (SWB w/U42 w/o CF5) or Headlining Trim Panel Replacement (SWB w/CF5 w/oU42) or Headlining Trim Panel Replacement (SWB w/CJ3) or Headlining Trim Panel Replacement (LWB w/U42 w/o CF5) or Headlining Trim Panel Replacement (SWB w/o CF5 and U42) or Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/U42 w/o CF5) or Headlining Trim Panel Replacement (Avalanche w/CJ2 w/o CF5 and U42) or Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/CF5 w/o U42) or Headlining Trim Panel Replacement (Avalanche/Escalade EXT w/CF5 and U42) or Headlining Trim Panel Replacement (LWB w/CJ3) or Headlining Trim Panel Replacement (SWB w/CF5 and U42) or Headlining Trim Panel Replacement (LWB w/CJ2) .
Remove the upper instrument panel (I/P) defroster grille. Refer to Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (Except Cadillac) or Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (Cadillac) .
Remove the instrument panel compartment door. Refer to Instrument Panel Compartment Door Replacement (Except Cadillac) or Instrument Panel Compartment Door Replacement (Cadillac) .
Remove the interface communication module. Refer to Communication Interface Module Replacement (Except Cadillac) or Communication Interface Module Replacement (Cadillac) .

Navigation/Cellular Coaxial Cable
Tip:

If the coaxial antenna cable is taped in the wiring harness then just cut the ends off at the interface communication module and the antenna connection and route the new harness next to the old and use tie straps as needed to secure routing.
If needed use a piece of mechanics wire or suitable equivalent to route new cable through windshield pillar and I/P area.