Installation Instructions:
Electrical System for Towing Hitch
Socket allocation
Contact
Circuit
1
Indicator, left side
2
Rear fog light
3
Earth (Circuit 1-8)
4
Indicator, right side
5
Rear light, right side
6
Brake light
7
Rear light, left side
8
Reversing lamps
9
Continuous positive
10
Charging cable
11
Earth (Circuit 10)
12
Trailer detection
13
Earth (Circuit 9)
Table 1: Socket allocation
Microswitch housing allocation
Contact
Wire colour
1
grey / white
2
grey / blue
3
white
Table 2: Microswitch allocation
VW T5 GP / T6 Pritsche
321 651 391 101 – 003 – 23/15
Wire colour
black / white
grey / blue
brown
black / green
grey / red
black / red
grey / black
black / blue
red
(yellow)
(brown / white)
--
brown
11