Extension kits for installation if you have a G8 trailer socket (13-pin socket, but with wires for trailer lights only) to upgrade to the G13 standard.

G13-ICM-ISO-EXT-KIT
Kit for an extension of installation with G8 socket (this mean 13-pin socket with lamp wires only) to "full" functionality of G13. Kit is projected for standalone operation. Kit include module (new construction) for an intelligent charging of trailer/caravan battery.
standard system - for typical passenger cars upgrade kit to the full functionality of the 13-pin socket supply voltage (+12V) is permanently brought out in the socket contains separately circuit for trailer battery charging managed ICM-ISO module (included)
G13-RELAY-EXT-KIT
Kit for an extension of installation with G8 socket (this mean 13-pin socket with lamp wires only) to "full" functionality of G13. It is compatible with selected towbar kits. Kit include relay for switching of charging battery in trailer/caravan.
standard system - for typical passenger cars upgrade kit to the full functionality of the 13-pin socket supply voltage (+12V) is permanently brought out in the socket contains separately circuit for trailer battery charging managed by relay (included)
G13-RELAY-EXT-KIT-LONG-OUT
Kit for an extension of installation with G8 socket (this mean 13-pin socket with lamp wires only) to "full" functionality of G13. It is suitable for extended cable harnes to the trailer socket. It is compatible with selected towbar kits in LONG-OUT variant. Kit include relay for switching of charging battery in trailer/caravan.
system dedicated especialy for LCV upgrade kit to the full functionality of the 13-pin socket supply voltage (+12V) is permanently brought out in the socket contains separately circuit for trailer battery charging managed by relay (included)
G13-ICM-KIT
Kit for an extension of installation with G8 socket (this mean 13-pin socket with lamp wires only) to "full" functionality of G13. It is compatible with selected towbar kits. Kit include module for an intelligent charging of trailer/caravan battery.
standard system - for typical passenger cars upgrade kit to the full functionality of the 13-pin socket supply voltage (+12V) is permanently brought out in the socket contains separately circuit for trailer battery charging managed by ICM module (included)