Example of wiring diagram Component wiring diagram title, variant/subtitle and symbol. Coordinates (B 1). 30 Voltage battery, kl.30. 15 Voltage with starter key in drive position and start position, kl.15/kl.DR. Splice. Fuse. Reference arrow, for diagram AA, coordinates 0 C, component K51B, connector C pin 1. Wiring diagram Page 1 (224)