Toro Lawn-Boy TimeCutter Z Service Manual page 149

ELECTRICAL
Ignition Switch
Purpose
The ignition switch provides the proper switching for the
starter, ignition, accessories, and safety circuits.
Location
The ignition switch is located on the control panel, to the
right side of the operator (Fig. 437).
7
7-4
Fig. 437
PICT-9737
How It Works
and START. The START position is spring loaded so the
cylinder automatically returns to RUN once the key is
released (Fig. 438).
B
S
I
Fig. 438
B - Battery voltage "in"
S - Starting circuit
I - Safety & starting circuit
A - Alternator/Regulator circuit
Testing
1. Disconnect the switch from the wiring harness.
2. Verify that continuity exists between the terminals
continuity between terminals not listed for the switch
position.
No continuity between terminals
RUN Continuity - B I A and X Y
START Continuity - B I S
TimeCutter® Z/Precision® Z Service Manual
A
Y
X
MVC-166X
Y - Safety & starting circuit
X - Safety/Start/Light circuit