TKDMR 2Pack Top Post Battery Disconnect Switch - Battery Master Switch Isolator for Power Disconnect Cut Off with 2pcs Battery Corrosion Prevention Shim

TKDMR Top-Post Battery Disconnect Switch - 2Pcs Battery Master Switch Isolator for Power Disconnect Cut Off with 2pcs Battery Corrosion Prevention Shim Specifications: 1, Used for top post terminal, 15-17 mm cone battery negative post only. 1, On/Off 2 position. 2, Voltage: 12V, rated current: 125A. 3, Size: 3.3" x 1.5" x 1.5". Install Instruction: 1)Disconnect ground (-) cable from battery and attach it to switch mounting post. 2)Attach clamp end of switch to (-) battery post. 3)Turn Green knob fully clockwise to connect battery power. 4)To disconnect power, turn knob turn counter clockwise. Note: 1.Check the amperage rating before buying to know if the switch is suitable for the battery of your vehicle, boat, or RV. Different modes of transportation have different alternators that output varying power levels. 2.Always remember to turn off your vehicle before disconnecting the battery. This will prolong the lifespan of the battery, the electrical components, and the disconnect switch. 3.Avoid random power cuts or you risk damaging the locking navigation system and other anti-theft features. 4.When replacing the battery, disconnect the switch—starting with the negative terminal. 5.If you are not sure about installation, consult a professional to avoid system failure. Package Include: 2pcs x Top Post Battery Disconnect Switch, 2pcs x Battery Terminal Anti Corrosion Washers Fiber. This top mount battery disconnect switch is ideal for cars, boats, trucks, RVs, Vehicles, motor homes, jet skis, motorcycles, race cars, farm equipment, airplanes, generators and more top post battery devices with 15-17 mm diameter pile head.