Electrical Systems

Click below to see a pin-out for the back of the respective electrical box, radio harness, clusters, and engine management info.

Which Electrical System do I have?

US Golf electrical systems are not covered because they do not use a centrally-located fuse box.
A2Resource > Electrical Systems

Central Electric 1


Pin-out for the back of the Central Electric 1 cluster, which was used on the 1985-1990 Jetta, and some 1989-1990 Golf/GTIs (Mexican-made).

Central Electric 2


Pin-out for the back of the Central Electric 2 cluster, which was used on almost all models from 1989-1999 (Golf, Jetta, Passat, EuroVan, Corrado).
Note: this site attempts to cover all CE2 systems, but individual specifics may vary.

Engine Management


ECU pinouts.

Radios


Radio connector pinout for most all VOlkswagens.

CE1 Instrument Cluster


Central Electric 1 instrument cluster pinout, fusebox pin, and description.

CE2 Instrument Cluster


Central Electric 2 instrument cluster pinout, fusebox pin, and description for all the cars that use CE2.

Fault Codes


How do diagnose your OBD1 VW.

Speakers


Speaker sizes in watercooled Volkswagens before 1998.