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This large red wire is the power for this buss bar. The large RED wire from the battery connects to the 110 amp fuse. One of the two studs will also have a funny looking 110 amp fuse attached to the bar. The other copper solenoid studs are connected together with a copper buss bar. On top of each solenoid, the large BLUE wire from the pump motor attaches to a large copper stud with the solenoid that has the small blue wire at the base while the large GREEN wire from the pump motor attaches to a large copper stud with the solenoid that has the small green wire at the base. The bases of them have a black ground wire and a small blue wire to one and a small green wire to the other. Each solenoid has three wires and the buss bar connected to it.
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wires from the battery and then check each of the nuts and studs on the solenoids for clean and tight fittings. The GREEN wire goes to the DOWN solenoid while the BLUE wire goes to the UP solenoid.ĭisconnect the trim/tilt assy. The BLUE & GREEN wires bring 12 volts from the switches to the two solenoids on the pump assy. Pull it off and see if the pins are clean and not corroded reconnect it.
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This plug can vibrate loose and cause your problem. to the toggle up/down and trailer up switches. The RED wire in the plug sends 12 volts from the pump assy. Next check the three (RED, BLUE & GREEN) wire connector at the pump assembly. Pull them apart they should be clean and tight reconnect them. Go to the trim/tilt pump assembly and make sure the purple wire connector (single wire) and the blue wire connector two blue wires on one side of the connection are not corroded or loose. 22 +/- 1/4 inches, then the trim limit switch is adjusted properly and the commander trim toggle switch is working in the up/down mode. Then measure the distance between the trim cylinder attaching bolts. To test the limit switch circuit, lower the OD to the down position and slowly raise it with the trim toggle up until it stops. The OD trim limit switch will only send voltage to the trim/tilt switch in the upward toggle position if the OD limit switch is below the adjusted trim limit that keeps the OD being out of the water. The TRAILER UP switch also connects the RED wire to the BLUE wire. Down toggle connects the RED wire to the GREEN wire. Up toggle connects the RED wire to the PURPLE wire and then to the BLUE wire through the trim limit switch. The GREEN wire goes to the DOWN solenoid while the BLUE wire goes to the UP solenoid.ĭid you check the switches with an ohmmeter? The trim/tilt switch is a 2-way switch and will show continuity only when it is toggled in each direction between two of the wires. The BLUE & GREEN wires bring 12 volts from the toggle trim/tilt and trailer switches to the two solenoids on the pump assy. Next check the three wire connector (RED, BLUE & GREEN) at the pump assembly. If no voltage there, apply 12 VDC there to check gauge movement. If it does, check for voltage back at the trim pump connections. If you don't get a voltage reading at the terminal junction, apply 12 VDC to see if the trim gauge moves. One wire is grounded near there and the other is connected to a terminal. If necessary, trace the wires to the front of the engine near the slave solenoid. Pull them apart and inspect they should be clean and tight reconnect them. These are the trim position and limit switch wires. If the switch voltages are as they are supposed to be then go to the trim/tilt pump assembly and make sure the purple wire connector (single wire) and the blue wire connector with two blue wires on one side of the connection are not corroded or loose. The purple wire is part of the limit switch circuit. The blue wire gets 12 volts only when the toggle is held up or the trailer switch is pushed in. The green wire gets 12 volts when the trim toggle is held down. At the commander switches, the red wire will always have 12 volts. Before you tear anything apart or replace wiring and switches, test it out first by visual inspection by pulling back and forth on the wires while operating the switches and then test with a meter.