1988 "CC" Colt / Junior thru 8 Models Service Manual, P/N 507659, Page 165Get this manual
Step 2Stop Circuit Tests Stop Button Elimination Test 1Remove the black lead
from the power pack
To avoid possible shock hazards, do not handle ignition coil or tester leads during the test2Crank engine and observe the results at the spark tester If spark now jumps 3fs in(0,9 mm) alternately at each gap, the problem is in the stop button circuitRefer to the Stop Button Circuit Test If there is no spark at the tester, proceed to Step 3Sensor Coil Cranking Tests If there is spark at one gap, proceed to Step 4Power Pack Cranking TestsStop Button Circuit Test
Black with white tracer White with black tracer Black