Electrical; Chassis Switches; Key/Ignition Switch; Purpose - Toro TimeCutter SW4200 Service Manual

Chassis Switches

Key/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. 143).
Fig. 143
Toro TimeCutter SW/SWX Service Manual

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.
144).
Ignition Switch Wiring Connections
B - Battery voltage IN
S - Starting Solenoid Signal
I - Fuel Solenoid, PTO Switch, Neutral Switch
A - Seat Switch, Hour Meter
R - Regulator, Charging Circuit
PICT-1004

Testing

1. Disconnect switch from 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.
Key Switch Continuity Table
OFF
RUN
START

ELECTRICAL

S
I
B
A
R
Fig. 144
No continuity between any terminals
Continuity – B R I A only
Continuity – B R I S only
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