4066 Garmin Zumo Interface Lead Autocom 4066 Isolation Adapter Lead for Garmin Zumo 500/550/660 200cm The Zumo interface lead has a single 3.5mm 4-pole male plug at one end which plugs into the Autocom unit, and splits off into two male plugs (3.5mm & 2.5mm) which plugs into the Garmin Zumo 2metre long Garmin Zumo Interface Lead suitable for the Zumo 550 & 660 models compatible with all 2005 Autocom models onwards The Isolation is built into the lead includes isolation to restrict Earth/Ground Loop Share Buy $113.00 Box Includes 1 X 4066 Lead Shipping Details Shipping cost for item: $12.00