e46 Stereo Wiring Guide
Laid out as follows
(Pin location on connector) (wire color code) (function)
Radio Main Plug X18126 (quadloc)
Pin 1 blue/black - RH Rear loudspeaker +
Pin 5 brown/orange - RH rear loudspeaker -
Pin 2 black/red - RH front loudspeaker +
Pin 6 brown/orange - RH front loudspeaker -
Pin 3 yellow/red - LH front loudspeaker +
Pin 7 brown/orange - LH front loudspeaker -
Pin 4 yellow/black - LH Rear loudspeaker +
Pin 8 brown/orange - LH rear loudspeaker -
Pin 9 Wht/red/yellow - I-bus
Pin 10 Black - Telephone mute
Pin 11 white - Tel on
Pin 12 brown - Radio ground Ground point (gnd)
Pin 13 White - Antenna supply (remote)
Pin 14 Grey/Red - Nighttime illumination signal Light module
Pin 15 Vi/white - Terminal 30 Fuse F56 (+12v battery)
Pin 16 red/green - Voltage supply terminal R Unloader relay, terminal R (+12v ignition)
Radio Plug X13321 (white)
Pin 1 - Not used (line out, left)
Pin 3 - Not used (line out, GND)
Pin 7 - Not used (line out, right)
Pin 2 white/brown - Ground CD changer
Pin 8 white/blue - Positive left CD changer
Pin 9 white/red - Positive right CD changer
Pin 4 - Not used VCR Right, in)
Pin 5 - Not used VCR Left, in)
Pin 6 - Not used VCR GND, in)
Pin 10 - TV/Video module Right
Pin 11 Yellow - TV/Video module Left
Pin 12 Blue/yellow - TV/Video module Gnd
Radio Plug X13598 (black)
Pin 1 blue/brown - + Cassette/CD right On-board monitor
Pin 2 blue/brown - - Cassette/CD right On-board monitor
Pin 7 Yellow/black - + Cassette/CD left On-board monitor
Pin 8 yellow/brown - - Cassette/CD left On-board monitor
Pin 3 - AUX In left
Pin 4 - AUX In Right
Pin 10 - AUX In GND
Pin 5 Blue/yellow - Audio AF+ Navigation module
Pin 11 yellow - Audio AF- Navigation module
Pin 6 black - Telephone In +
Pin 12 yellow - Telephone In -
Pin 9 - Nav Bus
Amp Connector -- The Connector is laid out as follows
13_21 __ 34_42
12_20 __ 33_41
11_19 __ 32_40
10_18 __ 31_39
09_17 __ 30_38
08_16 __ 29_37
07_15 __ 28_36
06_14 __ 27_35
_ 05 _____ 26
_ 04 _____ 25
_ 03 _____ 24
_ 02 _____ 23
_ 01 _____ 22
Speakers
34 - yellow/brown - front left tweeter -
33 - yellow/red - front left tweeter +
39 - blue/white - front left mid-range -
40 - white - front left mid-range +
3 - blue/brown - front left woofer -
4 - blue/white - front left woofer +
12 - blue/brown - front right tweeter -
11 - blue/black - front right tweeter +
41 - blue/green - front right mid-range -
42 - green - front right mid-range +
22 - blue/brown - front right woofer -
23 - blue/red - front right woofer +
32 - yellow/brown - rear left tweeter -
31 - yellow/black - rear left tweeter +
1 - brown - rear left speaker -
2 - yellow - rear left speaker +
21 - blue/yellow - rear right tweeter -
13 - yellow - rear right tweeter +
24 - brown - Rear right speaker -
25 - blue - rear right speaker +
HU speaker out
9 - brown/orange - rear right - AF radio from HU
8 - blue/black - rear right + AF radio from HU
29 - brown/orange - rear left - AF radio from HU
37 - yellow/black - rear left + AF radio from HU
17 - brown/orange - front right - AF radio from HU
16 - black/red - front right + AF radio from HU
30 - brown/orange - front left - AF radio from HU
38 - yellow/red - front left + AF radio from HU
HK Amp
5 - red/green - terminal 30 from fuse F41
10 - white - antenna switching signal from HU
15 - yellow/black - from spatial sound button on dash
20 - black/white - speedometer output from instument cluseter control module
26 - brown - ground to chassis
HK amp to Sub
6 - green - + positive activation for subwoofer from HU
14 - blue/green - negative activation for subwoofer to sub amp pin 6
7 - white - subwoofer switched to sub amp pin 2
19 - black/green - speedometer signal to sub pin 7
Subwoofer Amp
6_7_8_9_10
1_2_3_4_5
1 - green - + positive activation from amp pin 6
6 - blue/green - - negative activation from apm pin 14
2 - white - subwoofer switched from amp pin 7
7 - black/green - Speedometer output from amp pin 19
4 - brown - ground to chassis
5 - red/green - Terminal 30; power from fuse F41
Color Codes:
braun BR = brown
blau BL = blue
rot RT = red
gelb GE = yellow
grau GR = gray
schwarz SW = black
weiss WS = white
grun GN = green
orange OR = orange
rosa RS = pink
violett VI = violet
(Pin location on connector) (wire color code) (function)
Radio Main Plug X18126 (quadloc)
Pin 1 blue/black - RH Rear loudspeaker +
Pin 5 brown/orange - RH rear loudspeaker -
Pin 2 black/red - RH front loudspeaker +
Pin 6 brown/orange - RH front loudspeaker -
Pin 3 yellow/red - LH front loudspeaker +
Pin 7 brown/orange - LH front loudspeaker -
Pin 4 yellow/black - LH Rear loudspeaker +
Pin 8 brown/orange - LH rear loudspeaker -
Pin 9 Wht/red/yellow - I-bus
Pin 10 Black - Telephone mute
Pin 11 white - Tel on
Pin 12 brown - Radio ground Ground point (gnd)
Pin 13 White - Antenna supply (remote)
Pin 14 Grey/Red - Nighttime illumination signal Light module
Pin 15 Vi/white - Terminal 30 Fuse F56 (+12v battery)
Pin 16 red/green - Voltage supply terminal R Unloader relay, terminal R (+12v ignition)
Radio Plug X13321 (white)
Pin 1 - Not used (line out, left)
Pin 3 - Not used (line out, GND)
Pin 7 - Not used (line out, right)
Pin 2 white/brown - Ground CD changer
Pin 8 white/blue - Positive left CD changer
Pin 9 white/red - Positive right CD changer
Pin 4 - Not used VCR Right, in)
Pin 5 - Not used VCR Left, in)
Pin 6 - Not used VCR GND, in)
Pin 10 - TV/Video module Right
Pin 11 Yellow - TV/Video module Left
Pin 12 Blue/yellow - TV/Video module Gnd
Radio Plug X13598 (black)
Pin 1 blue/brown - + Cassette/CD right On-board monitor
Pin 2 blue/brown - - Cassette/CD right On-board monitor
Pin 7 Yellow/black - + Cassette/CD left On-board monitor
Pin 8 yellow/brown - - Cassette/CD left On-board monitor
Pin 3 - AUX In left
Pin 4 - AUX In Right
Pin 10 - AUX In GND
Pin 5 Blue/yellow - Audio AF+ Navigation module
Pin 11 yellow - Audio AF- Navigation module
Pin 6 black - Telephone In +
Pin 12 yellow - Telephone In -
Pin 9 - Nav Bus
Amp Connector -- The Connector is laid out as follows
13_21 __ 34_42
12_20 __ 33_41
11_19 __ 32_40
10_18 __ 31_39
09_17 __ 30_38
08_16 __ 29_37
07_15 __ 28_36
06_14 __ 27_35
_ 05 _____ 26
_ 04 _____ 25
_ 03 _____ 24
_ 02 _____ 23
_ 01 _____ 22
Speakers
34 - yellow/brown - front left tweeter -
33 - yellow/red - front left tweeter +
39 - blue/white - front left mid-range -
40 - white - front left mid-range +
3 - blue/brown - front left woofer -
4 - blue/white - front left woofer +
12 - blue/brown - front right tweeter -
11 - blue/black - front right tweeter +
41 - blue/green - front right mid-range -
42 - green - front right mid-range +
22 - blue/brown - front right woofer -
23 - blue/red - front right woofer +
32 - yellow/brown - rear left tweeter -
31 - yellow/black - rear left tweeter +
1 - brown - rear left speaker -
2 - yellow - rear left speaker +
21 - blue/yellow - rear right tweeter -
13 - yellow - rear right tweeter +
24 - brown - Rear right speaker -
25 - blue - rear right speaker +
HU speaker out
9 - brown/orange - rear right - AF radio from HU
8 - blue/black - rear right + AF radio from HU
29 - brown/orange - rear left - AF radio from HU
37 - yellow/black - rear left + AF radio from HU
17 - brown/orange - front right - AF radio from HU
16 - black/red - front right + AF radio from HU
30 - brown/orange - front left - AF radio from HU
38 - yellow/red - front left + AF radio from HU
HK Amp
5 - red/green - terminal 30 from fuse F41
10 - white - antenna switching signal from HU
15 - yellow/black - from spatial sound button on dash
20 - black/white - speedometer output from instument cluseter control module
26 - brown - ground to chassis
HK amp to Sub
6 - green - + positive activation for subwoofer from HU
14 - blue/green - negative activation for subwoofer to sub amp pin 6
7 - white - subwoofer switched to sub amp pin 2
19 - black/green - speedometer signal to sub pin 7
Subwoofer Amp
6_7_8_9_10
1_2_3_4_5
1 - green - + positive activation from amp pin 6
6 - blue/green - - negative activation from apm pin 14
2 - white - subwoofer switched from amp pin 7
7 - black/green - Speedometer output from amp pin 19
4 - brown - ground to chassis
5 - red/green - Terminal 30; power from fuse F41
Color Codes:
braun BR = brown
blau BL = blue
rot RT = red
gelb GE = yellow
grau GR = gray
schwarz SW = black
weiss WS = white
grun GN = green
orange OR = orange
rosa RS = pink
violett VI = violet
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