Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 194Get this manual

Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 194

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Troubleshooting the "Down," "Up" and "Trailer" Circuits (All Circuits Inoperative) Fuse NOT BlownConnect Voltmeter red lead to Point and black lead to Point 3 Battery voltage should be indicated