A4 Quattro Sedan V6-2.8L (ACK) (1997)
135 - Ground connection -2-, in instrument panel wiring harness
A2 -
Plus connection (15), in Instrument panel wiring harness
A74 - Connector (15a - fuse 5), in instrument panel wiring harness
A76- Connector (K-Diagnosis wire), in instrument panel wiring harness
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Bridge closes when disconnecting connector (safety feature)