Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 84Get this manual
6Clip the small red test lead and the small black test lead togetherTurn meter set knob until meter pointer lines up with set scale on right-hand side of meterThis sets the meter7Connect small red test to the brass in the coil tower8Connect small black test lead to either primary terminal SELECTOR KNOB
9Test meter should read 500-570 ohms
10 Remove test leads from coil and turn selector knob toOFF"
Figure 28Testing CoilTest #1 Primary Resistance
1Turn selector knob to "DISTR ISUTOR RESISTANCE" position With test leads apart, turn meter set knob until meter pointer lines up with set mark on right side of meter