I have a 1977 OMC setup that includes a Ford 302 and the electric shift outdrive. I bought the boat a year ago and knew nothing about OMC's. I found a boat that runs great but has many small issues, one of which is the engine jumps a couple inches when I hit the throttle. I thought that the engine mounts were shot, but when trying to remove them last weekend to rebuild I noticed there were hydraulic lines attached to them. I looked through my manual and the mounts are lifts for the engine to control the trim. This system is called Selectrim, and it doesn't appear to be working.<br /><br />To get started I attached a new toggle switch to the system. Once wired I check the level of the fluid in the hydraulic motor resevoir...which was full. I tried fliping the switch to run the motor but it clicks, and nothing happens. Click, click, click. I thought it might be a problem with the solenoids that connect the switch to the motor so I direct wired the motor off the battery, but nothing happens. No noise, nothing. I found that the clicking definately comes from the solenoids, but they both appear to be reacting exactly the same which leads me to believe their alright.<br /><br />The motor itself appears to be dead. If I direct wire it I should see some movement or hear some noise if it was working at all, right? The only things I can think of at this point is there's either a grouding problem, or the motor is toast. I think it's grounded to the engine...does that sound correct? <br /><br />Does anyone know about these? I heard they don't normally go out, but this one appears to be dead. Any ideas?? Maybe I can replace the brushes? Obviously, I'm not familiar with hydraulic motors. <br /><br />Thanks for all your help.<br /><br />Joe
