1988 "CC" Colt / Junior thru 8 Models Service Manual, P/N 507659, Page 169Get this manual
Running Tests2.5, Ultra 4, Excel 4
Make all running tests at the engine RPM where the intermittent or high speed ignition problem existsThe correct RPM can have an effect on identifying the problem
INote Rou.te all tester leads so they do not interfere with moving
engme parts
Power Pack Running Tests
1Set C.Dvoltmeter switches to "-" and "500 Twist and pull the primary leads off the ignition coilTurning in clockwise direction, attach terminal extenders to the primary terminals of the coilReconnect primary leads to terminal extendersObserve wire routing: orangeblue lead to the No1 (top) cylinder
INote Rou.te all tester leads so they do not interfere with moving
engme parts2Connect meter black lead to clean engine groundStart engine and run at RPM where problem exists
3 Hold the meter red lead against metal part of the No1 coil extenderDo not hold metal part of meter lead when engine is operatingStop the engine Meter should indicate continuous reading of 150 volts or higher