[Diy_efi] Re: Electronic expertise requested

[Carter Shore]

Dan,
A KISS solution is a 4PDT toggle switch for the wires
to the injectors. Obviously, use a MIL SPEC or
aircraft rated unit.
What about ignition? Are you using the EDIS? It has
the capability to run independently without an EEC,
but depends on the crank sensor, so there's another
SPOF, unless you fit a second sensor (180 degrees from
the primary) and EDIS.
Some of the inputs may be OK to wire to both EEC's,
but the temp sensors depend on a pullup that's inside,
so you'll have to account for that. Either another
switch, or externalize to a single pullup resistor.

Carter Shore



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