Central Electric 1 Cluster
Central Electric 1 Cluster pinout in Volkswagens. Covers Golf and Jetta 85-90, Scirocco 82-88, Quantum 82-
                                                                      88, and some later Rabbits and Jettas.
A2Resource > Electrical Systems > Central Electric 1 Cluster
Pin,     Pin (Jetta,                                                                                       1985-1989 Golf, 1985-1989 Jetta
                             Function
Golf/GTI Quantum)                                                                                          GTI             GLI
         T7                  Connector I (White), Side I
1        T7/1                High Beam Light                                                               White           Blue/White
2        T7/2                Outside Air Temperature Sensor                                                Black           White/Red
3        T7/3                MFA Switch- Mode                                                              Gray/Yellow     White
                                                                                                                           Brown (1985
4          T7/4             Outside Air Temperature Sensor Ground                                          Brown
                                                                                                                           only)
5          T7/5             Fuel Gauge                                                                     Violet/Black    Violet/Black
6          T7/6             Dash Lights                                                                    Gray/Blue       Gray/Blue
7          T7/7             Turn Signal                                                                    Green/Black     Blue/Red
           T7b              Connector I (White), Side II
8          T7b/1            Upshift Signal to Solenoid Valve (GTI) (1985-1987 only)                        Violet/Black    -
9          T7b/2            Oil Temperature Sensor                                                         Green/Black     Green/Black
10         T7b/3            Constant Power for clock/MFA                                                   Red/White       Red
11         T7b/4            Tachometer                                                                     Green/Blue      Red/Black
12         T7b/5            Ground                                                                         Brown           Brown/White
13         T7b/6            Coolant Temperature Sensor                                                     Blue/Yellow     Yellow/Red
14         T7b/7            Upshift Light (1985-1987 only)                                                 Blue/White      Blue/Yellow
           T7c              Connector II (Black), Side I
15         T7c/1            MFA Switch- Reset                                                              Gray/Red        Red/White
16         T7c/2            Speed Sensor                                                                   Blue/White      -
17         T7c/3            CHOKE (far left bottom LED)                                                    -               -
18         T7c/4            Low Oil pressure Signal                                                        Blue/Black      Blue/Black
                            MOTOREL. (engine electrics, A2 in Austria) or HANDBRK. (Polo in Europe) (far
19         T7c/5                                                                                           -               -
                            right bottom LED)
20         T7c/6            LED (second from left bottom LED)                                              -               -
21         T7c/7            Start/Run Power                                                                Yellow/Red      Black
           T7a              Connector II (Black), Side II
22         T7a/1            MFA SP.                                                                        -               -
23         T7a/2            MFA Switch- Function                                                           Green/Black     Black/White
24         T7a/3            Oxygen Sensor/Glow Plug/CAT warning light (top center LED)                     Brown/Black     Blue/Green
25         T7a/4            High Oil Pressure Signal                                                       Gray/White      Yellow
26         T7a/5            Battery Light                                                                  Blue            Blue
27         T7a/6            LED (second from right bottom LED)                                             -               -
28         T7a/7            GURTANL. or GUTRW. (seat belt) (bottom center LED)                             -               -