Retrofitting cellular telephone wiring harness - AN82.70-P-0002-03P

Model 203.0 

1. Prepare telephone wiring harness (2) and microphone wiring harness (3) as shown in figure.

   Connection diagram for telephone 

   Fig 1: Connection Schematic Diagram For Telephone Wiring Harness And Microphone Wiring Harness - Model 203.0

   
2. Route wiring harness (2 and 3) along existing leads in vehicle as shown in figure.
   Fig 2: Connection Schematic Diagram For Wiring Harness

   
3. Route branch-off line from telephone wiring harness (2) to the handset transmitter/receiver connector (X39/5) in the center console in the area of the heating controls.
   Fig 3: Identifying Radio And Handset Transmitter/Receiver Connector

   
4. Route telephone wiring harness (2) in cable duct in front of driver side and/or passenger side.
   Fig 4: Identifying Handset Transmitter/Receiver Connector And Telephone Wiring Harness

   
5. Remove cover for interior fuse box (F34) on left of instrument panel.
   Fig 5: Identifying Interior Fuse Box

   
6. Route branch-off line from wiring harness to the interior fuse box (F34) and connect to light blue fuse location A (arrow).
   Fig 6: Identifying Light Blue Fuse In Interior Fuse Box

   
7. Route blue/black lead (bl/sw) for telephone wiring harness (2) to wakeup signal connector (X30/8) on right A-pillar and insert into chamber 3 for black connector.
8. Route telephone wiring harness (2) and microphone wiring harness in right cable duct.
   Fig 7: Identifying Wakeup Signal Connector And Telephone Wiring Harness

   
9. Insert separation point for microphone (X58/3) into the cable duct on the right rear door.
   Fig 8: Identifying Microphone

   
10. Route branch-off lines from wiring harness (2) of roof antenna connector (X1/16) to right C- pillar and connect at the antenna line. Fasten wiring harness with adhesive felt.
    Fig 9: Identifying Wiring Harness Of Roof Antenna Connector

    
11. Route branch-off line from telephone wiring harness (2) in the trunk.
    Fig 10: Identifying Telephone Wiring Harness

    
12. Connect antenna lines and voltage supply for wiring harness (2) at the E-network compensator (A28/3).
13. Connect branch-off line from the wiring harness (2) at the telephone interface (A34/4).
    Fig 11: Identifying Wiring Harness, E-Network Compensator And Telephone Interface

    
14. Connect brown wire (br) to ground (right wheel housing in trunk) (W7).
    Fig 12: Identifying Brown Wire And Ground

    
15. Route microphone wiring harness (3) at the right A-pillar to the headliner and behind the headliner to the overhead control panel (arrow).
    Fig 13: Identifying Microphone Wiring Harness At The Right A-Pillar

    
16. Connect microphone wiring harness (3) at microphone of hands-free system (B25).
    Fig 14: Identifying Microphone Wiring Harness And Microphone Of Hands-Free System