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 > > > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > Virus-free. > www.avg.com > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > <#m_9111459185063831982_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > _______________________________________________ > > 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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