1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 248Get this manual
Troubleshooting the Power Trim Electrical System Refer to wiring diagram on preceding page for location of wire connectionsProblem Possible Cause Remedy 1Check for open connection or cut wire2Replace 1Check for open connection or cut wire2Replace 1Check for an open connection2Check for an open connection3Check for an open connection4Replace 1Check for open connection or cut wire2Replace 1Check for open connection or cut wire2Replace 1Check for an open connection2Check for an open connection3Check for an open connection4Replace 1Replace fuseLocate the cause of the blown fuseCheck electrical wiring for shorted circuit2Replace 3Check for open connection or cut wire4Check for loose or corroded connection1Check wire connections (4) for loose or corroded condition2If voltage is present at connections (4) when the appropriate trim button is pressed, than motor is faultyReplace motor1Replace