System Diagram

Automatic Transmission (diesel only)
1985-1988 Jetta

Tracks 1-11:

Description Current Track
Alternator 9
Auto-transmission relay 8-11
Back-up light, left 2
Back-up light, right 1
Battery 10
Brake light, left 3
Brake light, right 1
Console light 7
Ignition/start switch 4
Neutral safety switch 7, 8
Starter 10, 11
Tail light, left 6
Turn signal light, LR 4

Wire Connectors
T1 - single, in engine compartment
T4 - 4-point, under instrument panel

Ground Connectors
10 - near fuse/relay panel
18 - in engine compartment, left
21 - near seat track, left