TM 5-3740-214-14
ELECTRICAL PARTS GROUP (Continued)
Figure 5-233. Breaker Points
(d) Hold a screwdriver point across the open breaker points then remove the screwdriver.
(e) If a bright blue spark jumps between the wire and the engine, the coil is ok.
(f) If there is no spark or the spark is weak and yellow, the coil is weak; replace it.
(3)
Coil Test I. Test the primary coil winding. Use a volt-ohmmeter.
(a) Remove the breaker point cover and jam a piece of cardboard between the breaker points.
(b) Turn the ignition switch ON.
Figure 5-234. Coil Test I
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