Wiring

Additions to 12 volt wiring on boats are often done without much thought and without sufficient care. It normally works for a time but may become unreliable.

Inspect your wiring and if the wire is old and corroded (evidence of blue powdery corrosion) replace with new wire using properly crimped connections that are heat shrink sealed and possibly of heavier gauge. If your wire is still clean uncorroded copper it should be ok especially if you clean it with emery before crimping.

Inspect contacts/connectors and terminals to make sure they are clean and not corroded.

Check for security of crimps by giving them a tug. Any that come loose must be renewed.

Any exterior or in mast wiring should use tinned wire. Inside tha cabin untinned wire will suffice.

When fault finding bypass possibly faulty wiring with a temporary twin wire, ideally fused, from the battery to the load.

Original fit switches become unreliable and replacement panels with circuit braekers can be fitted to replace them.

Resources

- if the wire is > old > > >> >replace it with new wire, good crimped connections that are heat > shrink > > >> >sealed, and possibly of a heavier gauge. If old it is due anyway. > > >> > > > >> >On Tue, Dec 13, 2011 at 1:54 AM, Martin P <pnitram53@gmail.com> > wrote: > > >> > > > >> >> ** > > >> >> > > >> >> > > >> >> It might be quicker to make sure all the contacts/connectors and > > >> >> terminals are clean and not corroded.