nevada
Senior Member
A rough wire diagram? Wiring is not my strong point. I can do it if I have a diagram to fallow I've been thinking about doing this exactly
Its been many years, im not sure I remember exactly how I did it. but its pretty simple. wiring is also not my thing..
from the main battery to the dead post.
from the second battery to the switched post. using heavy gauge battery cables or the like.
then you need a trigger wire. I just ran a small wire from the same large post that the second battery connects to. this wire is what powers the solenoid, and allows it to switch. then I ran another wire to the switch post, to a toggle switch in the cab.
going off memory, I think that's how I have it set up.
excuse my mspaint skills....

i cant remember if i have a fuse between the noid and the toggle, but that's probably a good idea to do.
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