Mercury - 2-Pin CAN Link Harness Network Bridging Lead 84-893452A01. Overview. When a SmartCraft setup has two CAN segments that need to talk to each other, this small harness makes it easy. The Mercury 84-893452A01 2-Pin CAN Link Harness creates a simple bridge between the two sides so the network feels like one continuous path. It's a quick, clean way to tie things together without splicing wires or adding unnecessary hardware.. Key Features. 2-Pin Linking Lead - Joins two CAN network sections