Start/Stop Functionality Parts Required before Starting Installation TK 56881-18-IM-EN 27 1. Vehicle Battery 2. Fuse (150 A) 3. Ignition Switch 4. Relay 5. ECU Description: TK Service Parts Number: 1. Socket Relay (Mini Plug in) 445537 2. Relay 12V (SPST) 419313TKA 4. Connector 2 PIN 414622 6. Terminal Male 0.5-1.5 mm2 414624