Garmin Power Cable for 720 and 740 Chartplotters Garmin Power Cable for 720 and 740 Chartplotters Garmin Power Cable for 720 and 740 Chartplotters, does not work with the Sounder or S models. Replacement part. SKUGAX11482 MAN#010-11482-00 ID#: 2501 Our Price: $34.95 Availability: Usually Ships in 2-3 Days Condition: Brand New Add to cart We’re sorry for the inconvenience, but please know we are working hard to replenish stock and fill backorders. Global shipping constraints and other material shortages have slowed the supply of products in many industries, including GPS and Marine electronics. We update the Estimated Shipping Date on our website in real time, so feel free to check back frequently. Thank You for your patience and for shopping with The GPS Store, Inc.