1978 Johnson 55 HP Outboards Service Manual, Page 110Get this manual
bRepeat above test using rectifier yellowblue stripe leadReading on one check and no reading (infinity) on the other checkdiode is g'ood; both readings high, diode is (open) defective; both readings zero, diode is (shorted) defective2Repeat test procedure with ohmmeter connected between rectifier red lead and yellowgray stripe leadSee Figure 7-28Reading on one check and no reading (infinity) on the other check diode is good; both readings high, diode is (open) defective; both readings zero, diode is (shorted) defectiveaRepeat test between rectifier red and yellow leadsReading on one check and no reading (infinity) on the other checkdiode is good; both readings high, diode is (open) defective; both readings zero, diode is (shorted) defectivebRepeat test between rectifier red and yellow! blue stripe leadsReading on one check and no reading (infinity) on the other checkdiode is good; both readings high, diode is (open) defective; both readings zero, diode is (shorted) defectiveRECTI FI ER CASE
Figure 7-29Armature Plate and Stator Assembly