Ariens Gravely 915 ZT EZT Service Manual page 39

PTO Switch
Brown
Purple
Red/Green
Brown/Yellow
2 sets of contacts, one normally open, one normally closed. Contact resistance is 0.1-0.3 ohms when correct.
Neutral Switch
Brown/Yellow
Red/Green
Normally open contacts manually activated. Contact
Resistance is 0.1-0.3 ohms when correct.
PTO Relay
Green/White
Black/White
Purple/White
Purple
Pins 85-86 coil resistance 87-100 ohms. pins 30-87 normally open. Pins 30-87A normally open. Contact resistance
is 0.1-0.3 ohms when correct.
(A) When PTO switch is on.
Start Relay
Red/Yellow
Black
Black/White
White/Black
Black
Pins 85-86 coil resistance 87-100 ohms. pins 30-87 normally open. Pins 30-87A normally closed. Contact
resistance is 0.1-0.3 ohms when correct.
(A) With neutral switch engaged and PTO switch off.
Off
Off
Off
86
85
87
87A
30
Off
86
85
87
87A
30
Run
11.50-13.00 Volts
11.50-13.00 Volts
Run
11.50-13.00 Volts
Run
11.50-13.00 Volts(A)
Connected to ground when start relay
energized
11.50-13.00 Volts
Not Used
11.50-13.00 Volts
Run
11.50-13.00 Volts(A)
Connected to Ground
Connected to Ignition Module
Connected to Ground
11 - 38
Start
11.50-13.00 Volts
11.50-13.00 Volts
11.50-13.00 Volts
11.50-13.00 Volts
Start
11.50-13.00 Volts
11.50-13.00 Volts
Start
11.50-13.00 Volts(A)
11.50-13.00 Volts
Not Used
11.50-13.00 Volts
Start
11.50-13.00 Volts(A)