Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 319Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 319

POWER TRIM
Electrical System Troubleshooting
General Checks
Before troubleshooting the Power Trim electrical system, check the following: 1Check for disconnected wires2Make certain all connections are tight and corrosion free3Check that plug-in connectors are fully engaged4Make certain battery is fully chargedRefer to the preceding four wiring diagrams for connection points when troubleshooting the electrical systems (Connection points are specified by number

Troubleshooting the "Down Circuit"
Connect Voltmeter red lead to Point and black lead to groundDepress the "Down" trim button

Back to Mercury Optimax Models 135, 150, Direct Fuel Injection.