VW TRANSPORTER 2017 — Trailer coupling, (1D1),(1D2),(1D7) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW TRANSPORTER 2017 - Trailer detector control unit - Fuse 4 in fuse holder H - Fuse 5 in fuse holder H - Fuse 6 in fuse holder H - Fuse 15 in fuse holder H - Fuse 30 on fuse holder C

A1	Second battery
J345	Trailer detector control unit
SH4	Fuse 4 in fuse holder H
SH5	Fuse 5 in fuse holder H
SH6	Fuse 6 in fuse holder H
SA8	Fuse 8 in fuse holder A
SH15	Fuse 15 in fuse holder H
SC30	Fuse 30 on fuse holder C
T12ac	12-pin connector, red
B169	Positive connection 1 (30), in interior wiring harness
B170	Positive connection 2 (30), in interior wiring harness
B278	Positive connection 2 (15a) in main wiring harness
B299	Positive connection 3 (30), in main wiring harness
B331	Positive connection 17 (30a) in main wiring harness
*	Only models with no second battery
*2	Only models with second battery

J345	Trailer detector control unit
J941	Trailer voltage supply relay
T8af	8-pin connector, black, in left D-pillar
T12ac	12-pin connector, red
T13	13-pin connector, black
T16n	16-pin connector, black
T17f	17-pin connector, brown, under driver seat
U10	Trailer socket
366	Earth connection 1, in main wiring harness
387	Earth connection 22, in main wiring harness
426	Earth connection 3, in left rear end wiring harness
636	Earth point, onboard supply control unit
653	Earth point, on left D-pillar
*	Only models with trailer socket
*2	Only models with no heated rear window
*3	Only models with heated rear window

J345	Trailer detector control unit
T8af	8-pin connector, black, in left D-pillar
T10ag	10-pin connector, brown, on left A-pillar
T12v	12-pin connector, black, in left D-pillar
T13	13-pin connector, black
T16n	16-pin connector, black
T17f	17-pin connector, brown, under driver seat
T17n	17-pin connector, light green, under driver seat
U10	Trailer socket
*	Only models with trailer socket

F	Brake light switch
J345	Trailer detector control unit
J519	Onboard supply control unit
J623	Engine control unit
MX3	Left tail light
MX4	Right tail light
T10	10-pin connector, black, in E-box in engine compartment
T10ag	10-pin connector, brown, on left A-pillar
T12ac	12-pin connector, red
T12v	12-pin connector, black, in left D-pillar
T13	13-pin connector, black
T16n	16-pin connector, black
T17n	17-pin connector, light green, under driver seat
T73a	73-pin connector, black
T73b	73-pin connector, white
U10	Trailer socket
B131	Connection (54), in interior wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
W4	Connection 1 (rear fog light), in rear wiring harness
*	see applicable current flow diagram for engine
*2	Only models with trailer socket
*3	Only models with rear fog light
*4	According to equipment