You're saying your harness is good, I assume you're talking about your UPPER harness. The lower harness from your car needs to be installed correctly or the starter wont crank. My guess is you either have the starter lead or the solenoid switch not connected.
The SR's have a different clip for the starter solenoid than the KA, so you need to cut the plug off the SR lower harness (99% of SRs come shipped with at least SOME of the lower harness on, 99.9% of the time the solenoid plug is on the engine. - if its not there you can use a terminal connector from home depot/crappy tire). Once that is spliced there is a 10 or 12 (I think 12, its been so long)mm ring terminal that bolts up to the starter solenoid as well. The way it works is you have 12v power always coming into the starter, but it is a "dead end" if you will. When the solenoid wire gets power it closes the circuit from the battery to the starter.
The starter is grounded through the engine. If your engine is not grounded proporly the starter will not crank. Make sure you have the 12 or 14 (again i cant remember) mm wire that goes to the intake manifold from the battery tray hooked up to the engine otherwise she will most likely not crank.
So wire it up properly, make sure you know its wiried correctly and try it. If still no dice be a balsy little shit and take the 10/12 ring terminal off the starter, plug the battery in and touch that lead to the other 10/12mm ring terminal (its a little wire that runs from the solenoid to the starter) the engine should crank, things should spark and you should get scared shitless.
Or if you wanna be more professional (and safer) about it, leave the terminal connected and have someone hold the key on "start" while you bring a multimeter to the terminal. The 10/12mm ring terminal that comes from the battery should be seeing 12.5v (or whatever your battery is at). The solenoid trigger should also read 12.5v (however one of them will either NOT be reading that / or will not be connected - unless your starter is REALLY blown -this i doubt).
Also trying to start a car for the first time from a jump start is pretty unlikely, I dont think you should assume that because it didnt start jumping it that there is anythign else wrong with the car. One step at a time dude, fix the starter and then if shes still no good check fuel pressure / injectors / spark / timing. Good luck.
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