Inspecting Ignition Switch - Yamabiko ECHO SRM-420ES Service Manual

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3-4 Inspecting ignition switch

A
C
D
IGNITION SYSTEM
1. Disconnect primary lead coupler (A).
2. Disconnect ground lead coupler (B).
B
3. Connect one probe of Ohm-meter or multi-me-
ter to primary lead (C) of ignition switch side as
shown.
4. Connect other probe to ground lead (D) of igni-
tion switch side as shown.
5. When ignition switch is in "RUN" position, tester
should indicate infi nite resistance.
6. When ignition switch is in "STOP" position, tes-
ter should show that circuit is in conducting state
(closed circuit).
7. If ignition switch is defective, replace with a new
one.
SRM-420ES, SRM-420TES
T410S, B410S
T410TS, B410TS