Our Waterproof 250 AMP dual battery controller includes a three position switch to control the second battery through the operation of the solenoid.
- Switch position one isolates the auxiliary battery. No light.
- Position two connects the auxiliary battery while the ignition is on. Green light.
- Position three connects the auxiliary battery at all times. Red light.
Kit includes solenoid, toggle switch, pre-terminated wire/connectors, fuse holder, fuse and mounting hardware.