2008-2009 Suzuki 750 King Quad Service Manual, Page 100Get this manual

2008-2009 Suzuki 750 King Quad Service Manual, Page 100

Engine General Information and Diagnosis: Step Action 6) Disconnect the ECM couplerRefer to "ECM Removal and Installation
GB wire "B" and terminal "13"If OK, then check the continuity between the BBr wire "C" and terminal "24"Special tool (A):
0990025008 (Multi-circuit tester set) (B): 0990025009 (Needle pointed probe set) Tester knob indication Continuity test)