It reduces the arcing in the switch by reducing the amperage for a small solenoid compared to the starter. Adds life to the switch. You can have larger gauge wire switched at the solenoid to the starter and modest size to the switch.
Ed Prime Interest Toronto, Ontario On Jun 11, 2016 8:37 AM, "Dave via CnC-List" <cnc-list@cnc-list.com> wrote: Josh, What's the advantage of adding an auxiliary solenoid to the starting circuit? Dave J Saltaire C&C 35Mk3 Bristol, RI ------------------------------ *From: *"Josh Muckley via CnC-List" <cnc-list@cnc-list.com> *To: *"C&C List" <cnc-list@cnc-list.com> *Cc: *"Josh Muckley" <muckl...@gmail.com> *Sent: *Monday, June 6, 2016 8:20:33 AM *Subject: *Re: Stus-List Starting Problem I made a video that walks through the starting circuit on my yanmar. Its pretty generic, maybe it will help. https://youtu.be/Mp2cGDa1VOU Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Jun 5, 2016 11:13 PM, "Dr. Mark Bodnar via CnC-List" < cnc-list@cnc-list.com> wrote: > > Stopped by the boat today planning to get prep'd for some work that need > to get done. > > Figured I should kick the engine over just to make sure everything was > running smoothly. Unfortunately I got nothing (absolutely nothing) from > turning the key. > > > Batteries seem fine. Able to run radio - and no visible dip in power to > the radio when trying to turn over the engine. > > I had a similar experience a year ago after running the diesel for a few > hours - wind came up and we sailed for a bit, but then couldn't re-start. > That day I easily found a loose wire (clearly it had shaken loose with the > engine running for a long period) off a clip on the starter solenoid (?). > > That was my first check today - but it was attached. Pulled it off to > clean contact but no effect. > > > I figure there are 3 possibilities > > 1- ignition key failure - no signal to the starter to kick over > > 2- starter/solenoid failure - I doubt this as I'd expect some type of > noise or power dip indicating that something was seized > > 3- electrical connection failure - I can see a large wire leading to what > I presume is the solenoid, plus a couple of smaller wires connected as > well. Nothing obviously disconnected > > > I need to head back down to the boat with a voltage meter - try to figure > out what is going on and hopefully find an easy fix! > > > Any advice is appreciated. I presume is the key is working them I'd get a > voltage spike at the solenoid when the key is turned. If nothing then it > suggests either 1 or 3. Where should I see that? > > I expect I'll pull the panel and check the contacts behind the ignition > key - maybe try hot-wiring it if I can figure out which wires are needed > > Should I use automotive jumper cables to bypass the starter and try to > spin the starter/solenoid directly? > > > The engine is a Volvo 2002 18HP > > > Thanks in advance for the advice, > > Mark > > There is no cure for birth and death save to enjoy the interval. > - George Santayana > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > _______________________________________________ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated! _______________________________________________ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
