Toro LX500 - Switch, Key (P;N 99-7429)

GLOSSARY
3 - 20 Demystification Glossary
Testing
1. Disconnect the switch from the wiring harness.
2. Verify that continuity exists between the terminals
listed for the switch position. Verify that there is
NO continuity between terminals not listed for the
switch position (Figure 28).
Figure 28
mvc-166
Switch, Key
(P/N 99-7429)
Figure 29
mvc-167x
Purpose
This switch provides the proper switching for the
starter, ignition, accessories, and safety circuits (Figure
29).
How it Works
Detents inside the switch give it 3 positions: OFF, RUN,
and START. The START position is spring loaded so
the cylinder returns to RUN once the key is released.
Position Condition
Off No continuity
Start B + I +S
Run B + I + A and X + Y
A
Y
X
I
S
B
B
S
+M
A
-M
Glossary