Color of wire Circuit unit Stipulated resistance
Blue Primary coil of the ignition coil 0.8~1.3Ω
Orange Low oil alarm No continuity under normal oil level
Yellow Coil of trigger head 80~130Ω
Yellow/Green ground Continuity
Green Power coil winding of module 0.37~0.41Ω
Red
Engine stop switch
Continuity when “OFF” and no continuity
Blue Orange Yellow Yellow-green Green Red
Ignition Switch
Check for continuity of each group of contacts with the switch in the off, on, and start positions.
ON
OFF
START
Bridge Rectifier
Measure the (positive voltage drop) of each leading feet of rectifier bridge with the diode checking
(
) function of the meter and the result should be compatible with the following standard.
Tester
(+)
Tester (-)
1 2 3 4
1 Infinity
Infinity Infinity
2 Continuity
Infinity Infinity
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