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Electrical Diagrams

Anti-lock Brake System (ABS)
1989-1992 Jetta, German Production (from VIN 1G KW400001)


Tracks 1-14:




Tracks 15-28:




Tracks 29-42:




Fuse/Relay Locations:





Description Current track
ABS brake fluid level warning switch, F117 17
ABS control unit, J104 17-35
ABS high pressure switch, F109 36
ABS hydraulic pump, V64 39
ABS hydraulic pump fuse, S53 38
ABS hydraulic pump relay, J185 35-40
ABS hydraulic unit, N55 22-39
ABS inlet valve, left front, N101 23
ABS inlet valve, rear, N103 25
ABS inlet valve, right front, N99 29
ABS main valve, N105 22
ABS outlet valve, left front, N102 24
ABS outlet valve, rear, N104 26
ABS outlet valve, right front, N100 27
ABS pressure warning switch I, F115 34
ABS pressure warning switch II, F116 31
ABS relay, J102 7-12
ABS speed sensor condenser, C17 26-27, 31-32
ABS speed sensor, left front, G47 31-32
ABS speed sensor, left rear, G46 29-30
ABS speed sensor, right front, G45 26-27
ABS speed sensor, right rear, G44 24-25
ABS valves fuse, S54 11
ABS warning light, K47 5
Brake and parking brake indicator light, K7 4
Brake fluid level warning contact, F34 15
Fuse, S16 4
Fuse, S21 41

Wire connectors
T1a - single, behind fuse/relay panel
T2a - double, on ABS hydraulic unit
T2b - double, on ABS hydraulic unit
T2c - double, under rear seat
T2d - double, near right front strut
T2e - double, under rear seat
T2f - double, near left front strut
T2g - double, above brake fluid reservoir
T2h - double, above brake fluid reservoir
T2x - double, black, diagnostic connector, under shift lever boot (ABS)
T2y - double, blue or gray, diagnostic connector, under shift lever boot (ABS)
T3 - three-point, behind dashboard
T5 - five-point, on ABS hydraulic unit
T7 - seven-point, on ABS hydraulic unit
T32 - thirty-two point, behind fuse/relay panel

Ground connections
14 - on transmission
22 - near ABS hydraulic unit
28 - on ABS speed sensor condenser
30 - near fuse/relay panel
55 - near ABS control unit
82 - in wiring harness, left front

Welded wiring connection points
J3 - plus connection, in ABS wiring harness