Installing the Charger Choke for Interference

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When to Install

The Charger Choke for Interference is designed to eliminate interference caused by a multiple bank on-board charger. The choke should be installed between the on-board battery charger and the cranking battery in most cases. 

However, if you have a dedicated battery for your Humminbird electronics separate from the cranking battery, and it is connected to your on-board charger, we recommend installing it to this one instead.

How to Install

Supplies needed: Wire cutter, wire stripper, wire crimper, safety glasses, protective gloves, and a heating agent.

WARNING! Disconnect the power source for all related equipment before beginning the installation.

Perform the following:

  1. Disconnect the on-board charger from the main power source.
  2. Disconnect the charging cable from the desired battery.
  3. Use a wire cutter to cut the terminals off the charger cable. Cut as close to the terminals as possible.
  4. Strip back the shield on each wire approximately 1/4 inch (6.4 mm).
  5. Connect the stripped wires of the charger cable to the butt connectors on the choke cable (red to red and black to black).
  6. Securely crimp the wires in the butt connectors.
  7. Apply heat over the splice connection shrink insulation to secure the connection.

    WARNING! Use extreme caution when applying heat to the shrink insulation.

  8. Connect the terminals on the choke cable to the desired battery.

 

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