Wire number T3018844 Wire equipotential: Equipotential is a wire propriety which characterize a signal flowing a wire (same signal = same equipotential). Several wires could have the same equipotential. Starting switch Switch logic diagram. Wiring diagram Page 5 (224) The first digit of the number Family 1 Ground and negative supply 2 Positive supply 3 Signal 4 Comfort accessories 5 Security accessories 6 Lighting 7 Instrumentation 8 Body builder 9 Free 0 Electronic/Data link Terminal Key in position Key inserted — “0” — “I” — “II” — “III” Key inserted Off Accessories (pos. 5) +15/DR 50