ok for anyone who has this problem i found a diagram
1 Switch-over valve for DISA (differentiated suction unit)
2 Switch for reversing lights
3 Starter, terminal 50 (M 6)
4 Starter, terminal 30h (M 5)
5 Starter, terminal 30 (M 8)
6 Alternator D +
7 Alternator B +
8 Remote thermometer sensor
9 DME coolant-temperature sensor
10 Oil-pressure switch
11 Camshaft sensor
12 Crankshaft senso