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30% Off Online Orders of Select Parts and Accessories. Enter Promo Code PEP30 in Cart

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30% Off Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code PEP30 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 10/27/16. Online orders scheduled for in-store pick up must be completed by closing on 10/26/16 for discount to apply.

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  • Part #: 20269 |
  • SKU: 1148873

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Pay in Store Available

    • Easy To Install and Simple To Use
    • Disconnects Batteries Quickly and Easily
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

WirthCo Engineering Battery Doctor 20 Amp Master Disconnect Switch

The Battery Doctor Master Disconnect Switch is designed to be installed on the negative (-) battery lead to prevent the battery from draining to unsafe levels. The master disconnect switch can also be used to prevent theft, tampering and unauthorized use of vehicles while not being used. Rated at 20 amps continuous with an peak of 125 amps for 5 seconds. Easy-to-install and water resistant.
  • Easy To Install and Simple To Use
  • Disconnects Batteries Quickly and Easily
  • Stop Unwanted Battery Drain
  • Help Prevent Theft, Tampering and Unauthorized Use
  • Improve Safety and Security of Stored Vehicles, RVs and Seasonal Equipment
  • 20 Amp Continuous / 125 Amp Peak