93 chevy conversion van rs probs

Alright, have a 93 Chevy Conversion Van and im putting the Avital 4400 on it. No VATS or anything on it. The wiring I've had to decipher on my own, have 12v constant, Starter, Ignition, Acc (which only tests if you turn key backwards, but no biggie cause nothing comes on in forward acc position. Locks, Door trigger, lights, brake wire, Grabbed the white at coil (PITA to get engine cover off) which didnt meter between and 6, was more like between 10 and 60. went up with throttle. no clue on that. Went for voltage sense, turned engine checking off, voltage sense and crank time to 1.6 sec. Truck will turn over, but never catch. if I start it with the key, turns over pretty quick. Any Ideas??????

Make sure the pink wire is getting fed,this is the ignition 1 wire.

turns out it was the ignition wire. Went through the truck earlier today, testing all wires, and on a whim, checked for voltage at ignition wire, was dropping out at crank. There were no other wires in ignition harness getting power through on, and crank. had to go ghetto and tap the turn bu fuse. works perfect, cant even tell. That was my only option! Sucks, but done