TROUBLESHOOTING AND ELECTRICAL SYSTEM:
PEDAL-START GAS VEHICLE
Electrical System
12
ELECTRICAL SYSTEM
The electrical system on the gasoline vehicle is 12 volts DC with negative (–) ground to frame, and consists of the
following circuits that are easily identified:
• Starter Circuit
• Generator Circuit
• Engine Ignition Circuit
• Engine Kill Circuit
• Reverse Buzzer Circuit
• Low Oil Warning Light Circuit
• Neutral Lockout Circuit
• Fuel Gauge and Sending Unit Circuit
• Hour Meter Circuit
• Lighting Circuit
Recognizing and understanding the function of each of these circuits will help to quickly isolate the source of an
electrical problem. Use the appropriate test procedure to correct the electrical problem.
For a complete wiring diagram, see page 12-6.
TEST PROCEDURES
Index of Test Procedures
1 – Battery
2 – Fuse
3 – Ground Cables
4 – Key Switch (Starter Circuit)
5 – Accelerator Pedal Limit Switch
6 – Solenoid
7 – Neutral Lockout Limit Switch
8 – Starter/Generator (Starter Function)
9 – Wire Continuity
10 – Starter/Generator (Generator Function)
11 – Voltage Regulator
12 – Disconnected Kill Wire
13 – Ignition Spark
14 – RPM Limiter
15 – Ignition Coil
16 – Kill Limit Switch
17 – Key Switch (Engine Kill Circuit)
18 – Engine Kill Wire
19 – Reverse Buzzer Limit Switch
20 – Reverse Buzzer
2007-2009 Turf 252, Carryall 252 and XRT 900 Maintenance and Service Manual
Page 12-9