Bose System
Audio Unit
12-pin connector
1M
1K
1E
1C
1A
1N
1L
1J
1H
1F
1D
1B
1A
ACC
1B
-
1C
Backup power (V
B
)
1D
Antenna switch (13.2V)
1E
TNS
1F
Illumi. -
1H
Ground
1J
Amp. control (13.2V)
1K
Front speaker (LH) +
1L
Front speaker (LH) -
1M
Front speaker (RH) +
1N
Front speaker (RH) -
8-pin connector
2I
2C
2A
2J
2H
2F
2D
2B
2A
Rear speaker (LH) +
2B
Rear speaker (LH) -
2C
-
2D
-
2F
Rear speaker (RH) +
2H
Rear speaker (RH) -
2I
System mute (output)
2J
-
1-pin connector
3A
3A
Earth
DIN connector
(13-pin)
E
4
3
2
1
8
7
6
5
12
11
10
9
13
1
Output (LH) +
2
Input (LH) +
3
Output (RH) +
4
Input (RH) +
5
Signal ground
6
TNS
7
ACC
8
Backup Power (V
B
)
9
System control ON
10
Illumi. -
11
System control OFF (aux)
12
System control (play)
13
Mute (input)
14
Shield earth
