On Mon, Mar 30, 2020 at 2:08 PM Neil N <musomuso@gmail.com> wrote:

> I think my suggestion may be unsafe!
>
> Potential Amp load on that length of 1.0 wire might too high?
>
> Please correct me if I'm wrong but back feeding B+ through the 1.0
> black/red 50 wire in junction box would take a long path back through
> 1.0 wire to fuse panel, then ignition switch 50 then out to starter
> via 4.0 then 6.0 wires.
>

You cheated and looked at the diagram! (I should have).

It's only 20A for a fraction of a second.  If enough gets through to
operate the solenoid I think it would be ok even on the skinny wire.
Continuous ampacity at 30C is 19 amps for 1.0 mm^2 wire, so it's even in
spec.

Yrs,
d