"Richard M. Martin" wrote:

I am wiring a homebuilt now and I am having challenge in coming up with a
safe way of wiring the engine.  The engine requires four very
uninterruptible 12V wires.  They are as follows: 1.  EC2 computer, 2.
Igniters, 3.  Injectors,  4.  2 Fuel pumps.

I am planning on running both fuel pumps at all times, so I am using two CBs
and two switches to control them.  The power is coming off a battery bus.

The EC2 computer, igniters and injectors will be run off the battery buss
with no fuses and one dedicated key type switch (spdt).  The idea is that if
the master switch is turned off, the engine will continue to  run.

Is this the best safe way to wire the engine?  Any ideas?

When you turn the Master SW off make sure it disconnect the alternator field
circuit  -- otherwise you will have a very high voltage if the Master SW is
accidently turned OFF while the engine is running.

Rino

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