Nd4SpdSe
First Fill-Up (of many)
- Location
- Quebec, QC
Nd4SpdSe: Are those Optima D34 or D34/78? They are the same dimensions so it really doesn't matter; just curious.
I was looking into getting 2 D35's or D25/75's as they are a bit shorter in length and marginally less wide.
The one on the left is a D34 and the one on the right is a D34/78. The side posts on the D34/78 are used for my winch; makes for a cleaner setup rather than to have a ton of things off of the same post.
Forgot to share my wiring diagram for the setup as well
For the PAC-200 isolator, it's basically just a 200amp solenoid. I have a 165amp alternator and affordable diode-based isolators are really only affordable up 125amps so they're connected in direct parallel when charging. They're close enough to being the same type of battery that it shouldn't be a problem. I connected the solenoid trigger on a feed that's only hot when the motor is running, but not on when cranking (Red wire off the tumbler) so that they're not connected and fighting to equalise the charge WHILE the truck is attempting to turn over, BUT, I put in an override switch inside so I can do a self-boost; the benefit of having them on an isolator rather than always in direct parallel, so they don't both drain together. A function I that's come in handy a few times or when you need those extra CCA's on those -30*C days...
As a note, the problem with the D34's is that the terminals are too inwards on the battery, so the angled factory positive terminal can't reach.
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