LEGO Power Functions Cable, LEGO® lighting – Light My Bricks USA
Amazon.com: Micro Traders 2PCS Extension Cables Compatible with Lego 8870 Light Switch 8869 Technic Power Functions Extension Wire Cord Connector for Bricks Building Blocks Toy 25cm : Toys & Games
technic - Does the LEGO "Power Functions Extension Wire" (8886) work in both directions between old 9V and new Power Functions devices? - Bricks