Basic wiring diagram from March 1997 (VIII).
Cigarette lighter, radio connector, power supply for vehicle self-diagnosis, signal

| H1 | signal |
| R | radio |
| R24 | antenna amplifier |
| T1b | wiring connector, single-pin, front, near interior light bulb |
| T8a | 8-pin wiring connector on the radio |
| T14 | wiring connector, 14-pin, in the lower part of the passenger compartment, front, left, connecting element for self-diagnosis of the car with the VAG 1551 tester |
| T14a | wiring connector, 14-pin, on the left under the control panel |
| T22 | wiring connector, 22-pin, on the left under the control panel |
| U1 | cigarette lighter |
| (28) | ground connection on the left side of the front wall of the body |
| (80) | connection to body 1 in the instrument panel wiring kit |
| (A20) | connection (15a) in the instrument panel wiring kit |
| (A52) | connection to the positive terminal in the instrument panel wiring kit |

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