Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 114Get this manual
3Remove two (2) screws, lockwashers and lead wires from terminals on interlock switch and remove switch Figure 26 Installation Testing and RepairEquipment: Ohmeter (use Scale)
1Connect meter leads to small terminals 2D.C resistance in ohms should be 2.22.83Replace if not within these limitsInstallation
1Connect lead as follows:
Top of interlock switch has two (2) slotsAConnect longer yellow lead to top terminalBConnect shorter yellow lead to bottom terminalCInstall interlock switch with two (2) screws
1Place (double) black ground wire under head of outer attaching screw2Install starter relay and secure to support plate with two (2) screws 3Connect two (2) leadsstarter cable and battery cable to starter relay as followsFigure 28 AConnect yellow lead to inner terminal