1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 146Get this manual
BIf meter reads less than 230 volts, remove the No1 ignition coil primary lead from the terminal extenderConnect the meter red lead to spring clip in boot of the primary leadCrank the engine and observe the meter reading If the meter reads 230 volts or higher, test the ignition coil as described on page 3-10 If the meter reads below 230 volts, check the condition of the spring clip and primary wire If problem with the wire or spring clip is found, correct the problem and retest the power pack output If the condition of the wire and spring clip is acceptable, replace the power packCTest the power pack output to the No.2 (center) and No.3 (bottom) ignition coils as described aboveDTo remove the terminal extender from the ignition coil primary terminal, turn the extender in clockwise direction and pull offEInstall power pack primary leads on ignition coil primary terminalsObserve wire routing and ignition timingorangeblue lead to the top (No.1) ignition coil, orange lead to center (No2) ignition coil, and orangegreen lead to bottom (No.3) ignition coil Running Tests Using C.DVoltmeter and Adapter60 thru 75