1993 Johnson Evinrude "ET" 90 degrees LV Service Repair Manual, P/N 508287, Page 150Get this manual
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9 DR4047
Ground Test
1 Disconnect 5-pin and 4-pin Amphenol connectors between timer base and power pack2 Set peak-reading voltmeter to "POS" and "5", "SEN" and "5" on Stevens CD-77