Toro 74954 - Ignition Switch; Purpose; Location; How It Works

ELECTRICAL
7-5Toro Z Master G3 3000/5000/6000 Series Service Manual
7
IgnitionSwitch
Purpose
The ignition switch makes the proper connections for the
starter, accessories, and safety circuits.
Location
The ignition switch is located on the control panel, on the
right fender (Fig. 490).
Fig.490 DSCN-0142a
HowItWorks
Detents inside the switch give it 3 positions: OFF, RUN,
and START. The START position is spring loaded so the
key automatically returns to RUN when released (Fig.
491).
IgnitionSwitchWiringConnections
B - Battery voltage “In”
S - Starting Circuit
I - Fuel sender & Start Relay
A - Accessories
R - Regulator
Testing
1. Disconnect the switch from the wiring harness.
2. Verify that continuity exists between the terminals
listed for the switch position.
3. Verify there is NO continuity between terminals not
listed for the position.
OFF No continuity between terminals
RUN Continuity – B R I A
START Continuity – B R I S
Fig.491 DSCN-0173a
S
B
I
R
A