The following information covers electrical connections and plugs to the rear of the fuse/relay panel. It completes and supplements the information in the appropriate Service or Repair Manual for the fuse/relay panel section and should be used in conjunction with the wiring diagram for the vehicle or system in question. Volkswagen part numbers shown here may or may not match those on your panel, however, if you panel visually matches the diagram, it is correct for your application. Fuse/Relay Panel - Rear Connections (Volkswagen Part Number 357 937 039)
Connections and plugs on rear of fuse/relay panel: A1 | Yellow | 8 pin | Headlight wiring harness | A2 | Yellow | 8 pin | Headlight wiring harness | B | Green | 6 pin | Headlight washer wiring harness | C | Yellow | 8 pin | Headlight or wiper motor wiring harness | D | Green | 12 pin | Miscellaneous equipment, varies (A/C, A/T, heated seats, seat belt warning, etc.) | E | Green | 5 pin | Instrument or brake light wiring harness | F | White | 10 pin | Engine compartment/engine management, wiring harness, right side (position 10 open) | G1 | White | 12 pin | Engine compartment/engine management, right side | G2 | White | 12 pin | Engine compartment/engine management, right side (position 12 open) | H1 | Red | 10 pin | Steering column switch wiring harness | H2 | Red | 8 pin | Steering column switch wiring harness (position 8 open) | J | Red | 10 pin | Steering column switch wiring harness | K | Black | 12 pin | Rear wiring harness | L | Black | 8 pin | Rear/Parking brake wiring harness (position 8 open) | M | Black | 6 pin | Rear/fuel tank wiring harness | N | Green | 6 pin | Air conditioning wiring harness | P | Blue | 10 pin | Rear window defroster/fog light wiring harness | Q | Blue | 6 pin | Fresh air blower fan wiring harness (position 10 open) | R | Blue | 10 pin | Light switch wiring harness | S | White | 5 pin | Engine compartment/wiper motor wiring harness, right side | T | Green | 2 pin | Individual circuits | U1 | Blue | 14 pin | Instrument cluster wiring harness | U2 | Blue | 14 pin | Instrument cluster wiring harness | V | Green | 4 pin | Steering column switch Multi-function indicator wiring harness | W | Green | 6 pin | Miscellaneous optional equipment, varies with vehicle type | X | Green | 8 pin | Warning lamp wiring harness | Y | n/a | 1 pin | 4 single point connectors for terminal 30 circuit (some may be bridged with red connector) | Z1 | n/a | 1 pin | Single point connector | Z2 | n/a | 1 pin | Single point connector for terminal 31 circuit | 30 | n/a | 1 pin | Single point connector for terminal 30 circuit (may be bridged to 30B with red connector) | 30B | n/a | 1 pin | Single point connector for terminal 30 circuit (may be bridged to 30 with red connector) |
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| Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. Always consult appropriate wiring diagram for specific terminal assignments. |
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