1992 Johnson Evinrude "EN" 9.9 thru 30 Service Repair Manual, P/N 508142, Page 137Get this manual
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7 DR4187
0 1 Disconnect 5-pin Amphenol connector between armature plate and power pack2 Set peak-reading voltmeter to "NEG" and "500"rJl 3 Alternately, connect voltmeter between armature