2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 571Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 571

DETONATION CONTROL SYSTEM KNOCK SENSOR 1Disconnect: Knock sensor coupler 2Connect: Pocket tester (to the knock sensor coupler)