Got it hooked up.

Field to #1(F) post.
Ignition (+)side to #2 post.
BAT to starter then junctioned to
BAT to Ampeter (+) side to #3 post.
Grd to terminal block on fender.

NOW!!!! Should I pigtail R post to BAT terminal?

Gauge reads 1/2 way between 0 & C running.

Sound right???