Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 73Get this manual
Test #5C-O Unit Output to #2 Ignition Coil Primary WindingEquipment: 8953 Tester, Load Coil1Disconnect white wire from C-D unit at #2 ignition coil2Clip one lead of load coil to white wire from C-D unitClip other load coil lead to ground terminal at terminal blockFigure 83Connect TesterP" lead (red) to white wire from C-D unit (same wire as load coil in Step #2) Figure4Connect Tester "N" lead (yellow) to ground terminalFigure 85Set Tester dial to #506Crank engine(If engine is cranked manually instead of using electric starter, make certain that the ignition switch is in the "on" position) ATester lamp lightsC-D unit is OK Tester and load coil7Reconnect white wire to #2 ignition coilremove