Start Relay

Off

 

Run

Start

 

 

 

 

 

 

 

 

 

 

 

 

 

Yellow/Red

 

86

 

 

11.50-13.00 Volts

11.50-13.00 Volts

 

 

 

 

 

 

 

Black

 

85

 

 

Connected to Ground

 

 

 

 

 

 

 

 

Black/White

 

87

 

 

11.50-13.00 Volts

 

 

 

 

 

 

 

 

White/Black

 

87A

 

Connected to Ignition Module

 

 

 

 

 

 

 

Black

 

30

 

 

Connected to Ground

 

 

 

 

 

 

 

 

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.

Starter Solenoid

Off

Run

Start

 

 

 

 

 

 

 

 

Small Brown/White

 

 

11.50-13.00 Volts

 

 

 

 

Small Black

 

Connected to Ground

 

 

 

 

 

Large Red (Battery)

11.50-13.00 Volts

11.50-13.00 Volts

11.50-13.00 Volts

 

 

 

 

Large Red (Starter)

 

 

11.50-13.00 Volts

 

 

 

 

Normally open contacts (big terminals) coil resistance 3.0-5.0 ohms. Contact resistance is 0.1-0.3 ohms when correct. Electrically activated.

PTO Clutch

 

Off

Run

Start

 

 

 

 

 

 

 

 

 

 

Purple/white

 

 

 

 

 

 

 

 

 

Black/white

 

Connected To Ground When Start Relay is Energized

 

 

 

 

 

Coil Resistance check clutch specifications.

 

 

 

 

 

 

 

Brake Switch

 

Off

Run

Start

 

 

 

 

 

 

 

 

 

 

Red/Yellow

 

 

11.50-13.00 Volts

11.50-13.00 Volts

 

 

 

 

 

Yellow/Red (A)

 

 

11.50-13.00 Volts

11.50-13.00 Volts

 

 

 

 

 

Normally closed contacts mechanically activated. Contact resistance 0.1-0.3 ohms. Used on models 915013, 014, 015, 106, 306, 307.

(A) With neutral switches closed and PTO switch "off".

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