solenoid

I have a 1984 O'Day 28 with a Universal M-12 two cylinder 11 HP inboard diesel. I have new batteries and the fuel tank has been scrubbed recently (~18 months ago). I'm having starting issues. Here is what happens... I hold the glow plug button for 30 seconds then bump the starter button while...

I am trying to trouble shoot a non-working windlass(QUICK). Worked fine then letting out anchor. A few hours later when going to pull anchor up It didn't work. I have checked with meter that remote works fine. Have power to solenoid (QUICK T501), but triggering remote does nothing, solenoid...