Wiring colour codes and uses on 1987 240gl factory audio system.
#1
#5
i found my 1987 wiring diagrams... those colors don't match the factory harness connector.
factory harness that plugs into the 2-speaker radio has...
1 green - always on power to antenna
2 yellow-black - accessory/ignition switched power
3 red - control signal to power antenna
4 yellow-white - left (+)
5 grey-yellow - right (+)
6 - n/c
7 white - left (-)
8 grey - right (-)
9 black - ground
factory harness that plugs into the 2-speaker radio has...
1 green - always on power to antenna
2 yellow-black - accessory/ignition switched power
3 red - control signal to power antenna
4 yellow-white - left (+)
5 grey-yellow - right (+)
6 - n/c
7 white - left (-)
8 grey - right (-)
9 black - ground
#6
#7
#8
again,
1 green - always on power to antenna
2 yellow-black - accessory/ignition switched power
3 red - control signal to power antenna
4 yellow-white - left (+)
5 grey-yellow - right (+)
6 - n/c
7 white - left (-)
8 grey - right (-)
9 black - ground
I left out the pin diagram.
in your top picture, its
1 2 3
4 5 6
7 8 9
in the middle/bottom pictures, its
7 8 9
4 5 6
1 2 3
so... your wires are...
1 (N/C)
2 blue - accessory/ignition switched power
3 red - control signal to power antenna
4 white-blue - left (+)
5 blue-white - right (+)
6 - n/c
7 white - left (-)
8 lt blue - right (-)
9 black - ground
1 green - always on power to antenna
2 yellow-black - accessory/ignition switched power
3 red - control signal to power antenna
4 yellow-white - left (+)
5 grey-yellow - right (+)
6 - n/c
7 white - left (-)
8 grey - right (-)
9 black - ground
I left out the pin diagram.
in your top picture, its
1 2 3
4 5 6
7 8 9
in the middle/bottom pictures, its
7 8 9
4 5 6
1 2 3
so... your wires are...
1 (N/C)
2 blue - accessory/ignition switched power
3 red - control signal to power antenna
4 white-blue - left (+)
5 blue-white - right (+)
6 - n/c
7 white - left (-)
8 lt blue - right (-)
9 black - ground
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