1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 128Get this manual
11 DR4621
STEPSENSOR COIL TEST
Ground Test
1Disconnect 5-pin Amphenol connector between ignition plate and power pack
2Set peak-reading voltmeter to:
"NEG" and "50", or "SEN" and "50" on Stevens CD-77 meter 20 thru 30"POS" and "50", or "SEN" and "50" on Stevens CD-77 meter