wont crank!! and stuff......

Just playing with my barracuda and have been trying to fix some wiring issues that some idiot(me) has created over the last 11 years. here is my problem maybe somebody or everybody can help out.
Its a 68 cuda with a 440/540 now has msd 6al, 93 toyota alt(internally regulated), batt in the trunk, and a hack job of wiring. so here is my issue. i just replaced my started relay b/c it was busted. i have power to it from the batt. and the neutral saftey switch is hooked up and i checked for continuity and its good, the yellow wire from the relay to the ign swtch is good too. and when i turn the ign switch i get 12 or 13 volts at the yellow ign wire at the relay. but it wont crank. if i jump the hot post to the starter sol. it will kick over. but not by the key.... any ideas?

and with the batt in the trunk do i run my alt power straight back to the opp side of the batt kill switch or to the battery itself?

also with msd 6al can i get rid of my ballast resistor? if so what do i do with the four wires on it?

Is the ground wire from the transmission nuetral switch hooked up and functioning correctly?

Make sure you don't don't have the crank and nutral safety wires on the wrong posts.

If you ground the neutral safety post it should start with the key. If so something is wrong with the safety switch or wiring.

With MSD ignition you can toss the ballast resistor. Just tape the ends to the harness so they aren't hanging down, until you get a chance to rewire the car. If stock ignition isn't being used the ballast resistor does nothing.

The alt wire needs to go to the battery or the battery side of the switch. If you put it to the on side of the switch the car will never shut off with the emergency safety switch. Or if you don't feel like running the heavy alt wire all the way back there just run your hot ignition wire back there and attach it to the small on post(this option will only work if you have a 4 post switch)...

The starter relay has to be well grounded, too...

ok well thanks guys.
im thinking that my problem lies with the neutral safety switch.... hmmmm. i went to buy a new one and all they had were three post switches. mine is a single. anyone know what i can get that?

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ok well thanks guys.
im thinking that my problem lies with the neutral safety switch.... hmmmm. i went to buy a new one and all they had were three post switches. mine is a single. anyone know what i can get that?

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HUH?