Capn Craig
Guru
- Joined
- Oct 16, 2010
- Messages
- 519
When I bought my boat, it had an 8d engine start battery and an 8d house battery. These were wired thru a battery selector switch before being wired to the engine starters and house loads. There was no fuse on the batteries. Both batteries were past their prime, and I wanted more house capacity. I now have 8 6V GC's wired in two banks of 4 each. The engine starters are still wired thru the battery switch. I do not have a separate engine start battery and think I don't think need it. I like the simplicity of two matched battery banks for charging purposes. But I still don't have fuses on the batteries and want to add them. I think the starters would not blow a 300 amp SB fuse but they might. I know the code says its OK to run starter wires unfused but that would require a bunch more heavy wire, would mess up the battery switch function, and pose a safety risk of the unfused wire.
So here is my question, What would be wrong with wiring a starter relay parallel to each battery bank fuse so that it only activated when the starter motors are cranked?
So here is my question, What would be wrong with wiring a starter relay parallel to each battery bank fuse so that it only activated when the starter motors are cranked?