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

Models 215, 220 

Fig 1: Telephone Wiring Harness Diagram (Model 215)

Power supply wiring harness 

Model 215 

Fig 2: Telephone Wiring Harness Diagram (Model 220)

Power supply wiring harness, model 220 

Survey with adapters (2, 3) indicated on model 220 

Fig 3: Identifying Telephone Wiring Components

Routing illustrated on model 220 

1. Insert power supply wiring harness (1) into right wiring duct and route to range of right rear seat.
2. Route tie-outs to rear of vehicle (antenna and connection lead for overhead control panel) (a) in area of rear seat upward to rear shelf or in trunk along existing wiring harnesses.
3. Connect brown (br) lead from power supply wiring harness (1) to ground (right inner door sill) (W28/2).
4. Insert power supply wiring harness (1) in existing wiring ducts to center console. Position tie-outs (1/1, 1/2) on drive shaft tunnel.
5. Insert power supply wiring harness (1) in existing wiring ducts to driver's footwell (b).
   Fig 4: Identifying Telephone Wiring Harness Routing (Model 215)

   
6. Solder blue/black (bl/sw) lead from power supply wiring harness (1) to blue/black (bl/sw) lead on end sleeve (Z35/10) of wake-up signal with solder connector.
7. Route power supply wiring harness (1) in direction of engine compartment (b) to left fuse box along existing wiring harnesses.
   Fig 5: Identifying Power Supply Wiring Harness

   
8. Route power supply wiring harness (ws/ ge) in left front fuse box (F1) to fuse location (F1-f18) and install fuse carrier housing on left front fuse and relay module (K40/6).
   Fig 6: Identifying Front Fuse Box

   
9. Contact tie-out for power supply wiring harness (lead (rt/sw)) on fuse and relay module in rear (K40/5) to fuse location for fuse (F4-f63).
   Fig 7: Identifying Fuse And Relay Module And Fuse Location

   

   The lead for the microphone of the hands-free system is preequipped in the wiring harness to the overhead operating unit.

10. Pull out connector for overhead operating unit and FSS connector (X25/8) below rear shelf and disconnect.
11. Connect black (sw) lead of tie-out from power supply wiring harness to pin 1.
12. Connect white (ws) lead of tie-out from power supply wiring harness to pin 15.
    Fig 8: Identifying Overhead Operating Unit And FSS Connector

    
13. Route antenna cable into rear of vehicle (a) along existing leads and clip into lead fastener (6).
    Fig 9: Identifying Antenna Cable Lead Fastener