Doesn't there have to be a grounding wire from the bus bar to the engine anyways? Then all grounds would go to this bus bar correct? Wade
On Tue, Aug 13, 2019, 15:36 Della Barba, Joe via CnC-List, < cnc-list@cnc-list.com> wrote: > Even better, get something like these for ship’s ground instead of the > engine: > > https://www.amazon.com/Blue-Sea-Systems-PowerBar-BusBar/dp/B00H8L5AKE > > > https://www.amazon.com/Blue-Sea-Systems-Power-Connnector/dp/B000K2IKZA/ref=sr_1_1?keywords=blue+sea+power&qid=1565728515&s=gateway&sr=8-1 > > > > > > Joe > > Coquina > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dave > S via CnC-List > *Sent:* Tuesday, August 13, 2019 3:38 PM > *To:* Wade Glew <wadeg...@gmail.com> > *Cc:* Dave S <syerd...@gmail.com>; cnc-list@cnc-list.com > *Subject:* [EXTERNAL] Re: Stus-List Electrical Advice > > > > Wade, > > > > The main and most troublesome grounding point on my 33-2 was the stud on > the engine behind the starter motor. My suggestion (also) is to start > there. All clean, corrosion free and solid contact. This was my first > trouble spot and most impactful. > > > > Dave. > > Sent from my iPhone > > > On Aug 13, 2019, at 2:34 PM, Wade Glew <wadeg...@gmail.com> wrote: > > thanks you. > > > > Ok, I'll get a volt meter to check the batteries directly. > > if I'm to check all the grounds, I take this to mean: follow the > batteries back to wherever the system grounds to the engine block to begin > with. Then each of the battery terminals and finally to where the battery > banks come to the main ground bus? I'm really a rookie with electrical > stuff so be specific if you can. > > > > Wade > > Oh Boy C&C 33 MK II > > > > On Tue, Aug 13, 2019 at 1:14 PM Frederick G Street via CnC-List < > cnc-list@cnc-list.com> wrote: > > Agreed, sounds like a bad ground. Voltage is one thing; but enough > current to crank is another, and definitely something that will be > adversely affected by bad ground continuity. > > > > — Fred > > > Fred Street -- Minneapolis > S/V *Oceanis* (1979 C&C Landfall 38) -- Bayfield, WI > > > > On Aug 13, 2019, at 12:39 PM, Dennis C. via CnC-List < > cnc-list@cnc-list.com> wrote: > > > > Clean all the ground connections. > > > > Dennis C. > > > > On Tue, Aug 13, 2019 at 12:26 PM Wade Glew via CnC-List < > cnc-list@cnc-list.com> wrote: > > Hello listers, I would appreciate any advice you might have on my > electrical issue du jour. > > > > Mine is a C&C 33 MK II and I have a Link 20 battery monitoring system. > Bank 1 (house) is 4 Trojan T-105 (225 AH) 6V deep cycles about 5 years > old. Bank 2 is a 12V starter battery dated 2005. I look after my > batteries pretty well and the system seemed to be operating normally. I > have a True Charge 40 battery charger. One morning after several days out > sailing, drinking lots of cold beer from the fridge and lots of music > playing) and running the engine very little, the engine would not start. > Starter turned slow, felt like no battery power. I had the Master Switch > on 1 so I turned the switch to Battery 2 at which point all 12V electrical > activity on the boat stopped working altogether. Prior to switching to Bat > 2, the Link 20 showed my starter battery at 12.4V with estimated time on > battery remaining at 225 hours. I put a portable battery pack onto my > starter battery and it read 12.4 V from the battery. However, powering up > the battery pack and connecting to my starter battery allowed me to start > the engine. > > > > I went back to harbour and replaced my starter battery with a brand new > 1000 cranking amps 12V battery. I charged by shore power overnight then > left for a few more days on the water. > > > > Now, the current circumstance is this. > > When connected to shore power and Main Switch set to Bat 1, I see normal > charging voltages to both battery banks. > > When under engine and Main Switch set to ALL, I see normal charging to > both batteries. > > After sitting overnight on anchor, I see both Bank 1 and Bank 2 are > resting at about 12.5 V. Both banks show plenty of reserve on the Link > 20. When I try to start the engine it feels again like I have low battery > power. The engine barely turns when I set the Main Switch to either Bat 1 > or ALL and won't start. If I change the switch to Bat 2, all 12V > electrical activity on the boat instantly stops. If I put the portable > battery pack onto my starter battery with the switch in the ALL position, > the engine will go however, it still feels like the starter is turning too > slowly. > > > > I'm looking for a single cause to explain all this as up til now, the > system has functioned well for the 10 years I've owned the boat. I would > appreciate any suggestions > > > > Wade > > Oh Boy, C&C 33 MK II > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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