mystery electrical problem

[Mexican]

ok i bought an 88 300zx with the trans shot in it. i I did a trans swap in it and now it shifts fine. before i did the swap nothing was wrong with my electrical situation. now when i switch the car on and go to crank i have nothing. it won't even turn over. then when i go to switch if off all teh dash stays on. i reach under the left hand side the car under the dash and pull whats called the ignition meter fuse out. it is a 10 amp fuse and now my car will crank and dash wont work. i can then insert the fuse while the car is running and the dash works and everything is fine. none of the happened until i put a trans in the car. i've had people telling me its a ground problem. but i cant find anything i missed or messed up. i even took it to a guy and he cant find it. anyone please help.

p.s. Sorry this is such a long post

[Gostlrs]

You need to check and see if your getting voltage to the ignition switch & start tracing it down from there. See how that fuse ties into the starting system.

[4DRZ]

It is a ground issue. You have to recheck everything you did, and what you may have had to unhook

[onelozu]

def sounds like a ground,my nuddy just put the motor and trans back in his 93 300zxtt and the starter would only click like the battery was dead because of a bad ground

[Mexican]

wow just found out today that the car i bought had been wrecked and a different motor had been put in. come to find out there is a 90 model VG30 motor put in the car. now i have an 80 something tras on a 90 motor. no wonder electrical is messed up. lol. need to find someone who is good a wiring

[onelozu]

what car is your motor out of?

[Mexican]

have no idea. going to sell car. fixed electrical problem. it was traced back to the ignition switch. just installed a push button on it and problem solved!