Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 284Get this manual

Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 284

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Electrical System Troubleshooting GENERAL CHECKS
Use an Ohmmeter (A )( scale) and check continuity of blue-while wire between Point on "Up" solenoid and trailer buttonIf no continuitywire is ope