'92 E36 M50B25 non-vanos -> '82 E28 wiring

E36 fuse box connector                                  E28 fuse box connector

4   black/blue          not needed
5   black/grey          not needed
6   violet/grey         not needed
7   black/violet        not needed
8   grey                not needed
10  blue/yellow         reverse lights (redundant)
11  brown/yellow        coolant temp?
12  brown/violet        coolant temp?
13  green/violet        fuel pump power                 green/violet
14  black/white         not needed
15  black/green         not needed
16  white/yellow        not needed
17  white/violet        not needed
18  black/yellow        starter solenoid                black/yellow
19  white/green         not needed
20  black               engine speed                    (reroute to glovebox)
21  green               ignition on power               green
22  green/white         not needed
23  brown/grey          oil pressure switch             brown/green
24  white/black         fuel rate                       (reroute to glovebox)
25  blue                alternator/batt. light          blue