BMW SA640, Installation Instruction, Page: 21 / 33

D (Switch module V, cars without a BMW Professional DSP hi-fi system only):
Cars without on-board monitor radio
Lay branches
V/1
and
V/2
, cable colour red/white and white/brown, to the installation site for the radio.
Lay branches
V/4
and
V/5
to the door plug in the A pillar.
Connect branch
V/7
, cable colour brown, to the ground post X1108 (40) or, on RHD cars to ground post X10012,
beneath the carpet in the footwell on the driver's side.
Cars with on-board monitor radio
Press branch
V/1
, cable colour red/white, into the socket casing (28) on slot No. 1.
Press branch
V/2
, cable colour white/brown, into the socket casing (28) on slot No. 2.
Insulate the socket casing (28) and tie it back on the vehicle wiring harness.
Connect branch
V/3
to branch
VI/1
on the adapter cable for the switch module. Lay branches
V/4
and
V/5
to the
door plug in the A pillar. Connect branch
V/7
, cable colour brown, to the ground post X1108 (40) or, on RHD cars
to ground post X10012, beneath the carpet in the footwell on the driver's side.
Branch
IV/6
(mute cable) on speaker wiring harness
IV
is only to be used if branch IV/3 on speaker wiring
harness
IV
is required.
Cars without on-board monitor radio and with existing mute cable
Press the socket contact on slot No. 9, cable colour red/green, out of the radio connection plug X18126 (41) and
press in branch
V/1
, cable colour red/white. Press the pressed-out socket contact into slot No. 1 on the enclosed
2-pin socket casing (28).
Press the socket contact on slot No. 4, cable colour white/brown, out of the radio connection plug X18126 (41)
and press in branch
V/2
, cable colour white/brown. Press the pressed-out socket contact into slot No. 2 on the
enclosed 2-pin socket casing (28). Connect branch
V/3
, cable colour red/white and white/brown, to the 2-pin
socket casing (28). Install the radio.
Cars without on-board monitor radio and without existing mute cable
Press the socket contact on slot No. 9, cable colour red/green, out of the radio connection plug X18126 (41) and
press in branch
V/1
, cable colour red/white. Press the pressed-out socket contact into slot No. 1 on the enclosed
2-pin socket casing (28).
Press branch
V/2
, cable colour white/brown, from the switch module into the free slot No. 4 on the radio connection
plug X18126 (41). Press branch
IV/6
, cable colour white/brown, from the speaker wiring harness
IV
into the 2-pin
socket casing (28) on slot No. 2. Connect branch
V/3
, cable colour red/white and white/brown, to the 2-pin socket
casing (28). Install the radio.
Cars with on-board monitor radio
Lay branches
VI/2-VI/4
, cable colours white/brown and red/white, along the vehicle wiring harness to the installation
site of the on-board monitor radio. Disconnect the radio connection plug X18126 (42) from the on-board monitor
radio (43).
Press the socket contact on slot No. 9, cable colour red/green, out of the radio connection plug X18126 (42) and
press in branch
VI/4
, cable colour red/white. Press the pressed-out socket contact into slot No. 1 on the enclosed
2-pin socket casing (29).
Press the socket contact on slot No. 4, cable colour white/brown, out of the radio connection plug X18126 (42)
and press in branch
VI/2
, cable colour white/brown. Press the pressed-out socket contact into slot No. 2 on the
enclosed 2-pin socket casing (29). Connect branch
VI/3
, cable colour red/white and white/brown, to the 2-pin
socket casing (29). Reconnect the on-board monitor radio (43).
All cars
Press the 8-pin plug casing X18196 or X18198 (33) out of the plug casing (32). Press branch
V/4
into the plug
casing (32). Connect the pressed-out 8-pin plug casing (33) to branch
V/5
and secure the plug connector with
insulating tape (the plug connector will not lock into position). Install the door plug.Tie back the switch module
V
with branch
V/6
, which is not required, on the vehicle wiring harness near the A pillar.
Go back to section 2
3-46/EN