Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 72Get this manual
Test #4C-O Unit Output to #1 Ignition Coil Primary WindingEquipment: 8953 Tester, Load Coil1Disconnect brown wire from C-D unit at #1 ignition coil2Clip one lead of load coil to brown wire from C-D unitClip other load coil lead to ground terminal at terminal block Figure 73Connect TesterP" lead (red) to brown wire from C-D unit (same wire as load coil in Step #2) Figure 7 4Connect TesterN" lead (yellow) to ground terminalFigure 75Set Tester dial to #50 6Crank engine(If engine is cranked manually instead of using electric starter, make certain that the ignition switch is in theonposition)