Retrofit wiring harness. - AZ82.70-P-0001-04GX
- Strap down connection contact (11) of red/black line (rt/sw) to accessory wiring harness (13) (not required).
- Route brown line (br) from accessory wiring harness (13) as shown in picture and connect to ground (headliner supply) (W48/3).
- Disconnect black, 14-pin connector P4 (17) from load compartment fuse and relay box (F4).
- Connect red (rt) line from accessory wiring harness (13) to contact cavity 12 in black, 14-pin connector P4 (17) (circuit 30).
- Connect black, 14-pin connector P4 (17) to load compartment fuse and relay box (F4).Fig 2: Identifying Accessory Wiring Harness, 14-Pin Connector P4, Load Compartment Fuse And Relay Box
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Connect one white, 3-pin accessory connector (14) to illuminated door sill molding wiring harness later. The second white, 3-pin accessory connector (14) can be used for other retrofitted accessories that do not require circuit 15.
- Assign a 7.5 amp fuse to fuse 47 (F4f47) in the load compartment fuse and relay box (F4) (if not yet used).