Pin

A

B

C

1

Speed dependent volume control (GAL)

Right rear +

Connection

2

Not used

Right rear -

for Becker

3

Phone mute (ground to activate)

Right front +

CD changer

4

Constant 12V

Right front -

5

Ant trig (12V when radio on)

Left front +

6

N/A

Left front -

7

N/A

Left rear +

8

Ground

Left rear -