Generac Power Systems GP Series Diagnostic Repair Manual page 24

Section 2 Electronic Engine Control
Operational Analysis—Key ON Cranking
18
Figure 2-42. Operational Analysis—Key ON Cranking
CT Signal to ECM
for AVR sensing
12 VDC supply
from KSS to ECM
12 VDC control and
12 VDC supply to
STR
Diagnostic Repair Manual