Terminal
Signal
1A
Input RH (+)
1B
Signal ground
1C
Input LH (+)
1D
Combi cont
1E
—
1F
Aux cont
1G
Bus ground
1H
Bus line
1I
ACC
1J
Power ground
1K
B+ (power back up)
1L
System mute (input)
1M
TNS (+)
1N
Illumination (–)
1O
—
1P
—
2A
ACC
2B
—
2C
B+ (power back up)
2D
—
2E
TNS (+)
2F
—
2H
—
2J
—
2K
Front speaker LH (+)
2L
Front speaker LH (–)
2M
Front speaker RH (+)
2N
Front speaker RH (–)
3A
Rear speaker LH (+)
3B
Rear speaker LH (–)
3C
—
3D
—
3F
Rear speaker RH (+)
3H
Rear speaker RH (–)
3I
—
3J
—
4A
Ground (power)