1
V 3.03
8437402
Visit www.princessauto.com for more information
NOTICE! Appropriate for use in your car, truck and light commercial vehicle this model is hermetically sealed so it does not require
any other form of sealant. Do not use any type of corrosion inhibiting spray on any part of this unit.
WARNING! Read and understand all instructions before using this device. The operator must follow basic precautions to reduce the
risk of personal injury and/or damage to the equipment.
InstallatIon
WARNING! A discharged battery can still carry a charge. To prevent shock, place battery terminal caps over terminals and prevent
accidental contact.
operatIon
This switch is wired to the positive line of the battery. It can be turned OFF when the vehicle is not running and tuned back ON when the
vehicle is running. To use the Battery Master switch once it has been installed:
• From the OFF position, push inward and turn the knob 90 degrees clockwise.
• From the ON position, push inward and turn the knob 90 degrees counterclockwise.
Remove the knob: From the OFF position, push inward and turn the knob 45 degrees counterclockwise.
Contact Princess Auto Ltd. for a solution if the tool does not function properly or
parts are missing. If unable to do so, have a qualified technician service the tool.
Part # Description Qty
1. Removable Knob 1
2. Screw 2 in. (50.8)mm 4
3. Housing 1
4. Core Copper Studs 2
5. Spring Washer I.D. 10 2
6. Brass Nut M10 4
7. Insert Plates (sides) 3
8. Bottom Plate 1