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Used to Move Low Pressure Switch to Cab Roof

Installs Easily on 990-404 and 990-406 Conversion Kits
Protects Clutch From Slipping Due to Low Voltage, Maintains Adequate Voltage to Clutch Coil at All Times

Use on Low Side of system.
Shuts off before going into vacuum,
Wire Switch in Series with Coil Wire for Low Side Protection

Can Use 530-4030 OE Switch Kit

Use with 990-403, 990-405 Conversion Kits for Lo and Hi Side Protection
Includes 451-11602 Manifold and 530-4030 Switch Kit

OE Style
Gives true High and Low Side Protection
Used in 990-403, 990-404, 990-405, and 990-406 JD Conversion Kits

High Pressure Switch = Normally Closed
Low Pressure Switch = Normally Open