AUDI A4 1999 – Trailer coupling . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 1999 - Trailer coupling

E18	Rear fog light switch
F216	Rear fog light cut-out, contact switch
J446	Parking aid control unit
L46	Rear fog light bulb, left
M4	Tail light bulb, left
M6	Turn signal bulb, rear left
M9	Brake light bulb, left
M16	Reversing light bulb, left
M25	High level brake light bulb
T3u	3-pin connector, on trailer socket for trailer operation
T6e	6-pin connector, blue, left connector point, A pillar
T6p	6-pin connector, white, left connector point, A pillar
T10ab	10-pin connector, white, right connector point, A pillar
U10	Trailer socket
86	Earth connection -1-, in rear wiring harness
196	Earth connection -3-, in rear wiring harness
W1	Positive (+) connection (54), in rear wiring harness
W4	Connection (rear fog lights), in rear wiring harness
*	Only models with parking aid

E19	Parking light switch
F	Brake light switch
L47	Rear fog light bulb, right
M2	Tail light bulb, right
M3	Side light bulb, right
M8	Turn signal bulb, rear right
M10	Brake light bulb, right
M17	Reversing light bulb, right
T6e	6-pin connector, blue, left connector point, A pillar
T10a	10-pin connector, brown, left connector point, A pillar
U10	Trailer socket
86	Earth connection -1-, in rear wiring harness
A18	Connection (54), in dash panel wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A40	Positive (+) connection -1- (30), in dash panel wiring harness
A44	Connection (57R), in dash panel wiring harness

E19	Parking light switch
F4	Reversing light switch
M1	Side light bulb, left
T10	10-pin connector, brown, connector point, electronics box, plenum chamber
T10a	10-pin connector, brown, left connector point, A pillar
T10m	10-pin connector, black, connector point, electronics box, plenum chamber
A2	Positive (+) connection (15), in dash panel wiring harness
A43	Connection (57L), in dash panel wiring harness
A70	Connection (15a, fuse 231), in dash panel wiring harness
A87	Connection (reversing light), in dash panel wiring harness
*	Only models with manual gearbox
**	See applicable engine version

E2	Turn signal switch
E3	Hazard warning light switch
J2	Hazard warning light relay
K18	Trailer operation warning lamp
K64	Hazard warning light system warning lamp
K65	Left turn signal warning lamp
K94	Right turn signal warning lamp
M5	Turn signal bulb, front left
M7	Turn signal bulb, front right
M18	Side turn signal bulb, left
M19	Side turn signal bulb, right
T3q	3-pin connector, black, at steering column switch
T6	6-pin connector, yellow, right connector point, A pillar
T10a	10-pin connector, brown, left connector point, A pillar
T10ae	10-pin connector, light pink, left connector point, A pillar
T32	32-pin connector, blue, on dash panel insert
81	Earth connection -1-, in dash panel wiring harness
135	Earth connection -2-, in dash panel wiring harness
176	Earth connection, in right headlight wiring harness
179	Earth connection, in left headlight wiring harness
A5	Positive (+) connection (right turn signal), in dash panel wiring harness
A6	Positive (+) connection (turn signal, left), in dash panel wiring harness