1978 Evinrude Outboards 9.9/15HP Service Manual, Page 42Get this manual
gReverse the jumper wires between terminals "B" and "C" in the power pack end of the connectorSee Figure 4-25hWhile holding load button "A" depressed, crank engine with the starter rope and observe the light in the neon testerIf neon light flashes on each output test, the power pack is goodCheck the ignition coilsIf the neon light does not flash, or flashes on only one output test, replace the power pack, and repeat the power pack output testPower Pack CD2 can be substituted with known good pack(Be sure power pack ground lead is securely grounded to the power head iCheck all wires and terminals for proper location and secure the connectors with retaining clamps
CHARGE COIL OUTPUT Set meter switches to negative and 500Disconnect four wire connector between armature plate and power packInsert meter red lead probe into cavity "A" of four wire connector from armature plateInsert meter black lead probe into cavity "D" of four wire connector See Figure 4-26Crank engine