Accu-Lites 1012 SNAPS! Wiring Connector for Tortoise Switch Machine 12 Pack Roadname_Union Pacific - UP Detection circuits (such as BD-1)

Detection circuits (such as BD-1) are needed for a minimum of three blocks to display all three aspects

These colors are also valid for the vehicles used in the late Soviet era

Learn the five steps of the revolutionary SubTerrain Lightweight Layout System®

Kato 20-890 N Scale UniTrack CV-1 Compact Oval Track Set

Accu-Lites 1012 SNAPS! Wiring Connector for Tortoise Switch Machine 12 Pack Roadname_Union Pacific - UP Detection circuits (such as BD-1)Accu Lites 1012 SNAPS! Wiring Connector for Tortoise Switch Machine 12 Pack SNAPS! is an easy wiring connector for the Tortoise Slow Motion Switch Machine. It is composed of a connector that SNAPS onto the Tortoise and an 8 position wiring block for wiring up the Tortoise. Includes special stay put shims.