Operation CHARM: Car repair manuals for everyone.

Dual Battery Disconnect

Simplified Battery Configuration:






Disconnect







1. Disconnect the secondary positive cable from the primary battery terminal.

CAUTION:
^ The secondary positive cable remains energized after disconnection and can cause vehicle or component damage.
^ Make sure the tool does not contact any ground surface to prevent vehicle or component damage.







2. Wrap the secondary positive cable with a non-conductive material to insulate it.

CAUTION: Make sure the secondary positive cable does not contact any ground surface to prevent vehicle or component damage.







3. Disconnect the primary battery terminal connections.
1 Disconnect the battery ground cable.
2 Disconnect the battery to starter relay cable.

Connect







1. Reconnect the primary battery terminal connections.
1 Reconnect the battery to starter relay cable.
2 Reconnect the battery ground cable.







2. Unwrap the secondary positive cable and reconnect it to the primary battery terminal.

CAUTUON:
^ The secondary positive cable is energized.
^ Make sure the tool does not contact any ground surface.