1993 Johnson Evinrude "ET" 90 degrees LV Service Repair Manual, P/N 508287, Page 162Get this manual
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12 DR4061
1 Set peak-reading voltmeter to "POS" and "5",SEN" and "5" on Stevens CD-77 meter
r:J3l 2 Attach voltmeter black lead to port timer base connector, terminal "0"Alternately