Wiring In A Relay - Cycle Terminal - We have Your wiring Needs. OEM Style Japanese Motorcycle Wiring Terminals and Connectors for Yamaha, Kawasaki, Suzuki and Honda Motorcycles, from the 60’s to the 90’s. Motorcycle electric products and accessories, Motorcycle Fuse Box's, Bullet Terminals, Spade Terminals and Connectors, Adhesive lined Dual wall Shrink tube, Headlight Relay Kits, Horn Relay. The square relay pinout shows how the relay socket is configured for wiring. This pinout image is only a 2-pole diagram for room on the page purposes, but you can get the picture here with this one since a 3-pole will just have 1 more set of contacts..