There could be any number of problems causing a no start condition. No fuel, no spark, bad timing, clogged fuel filter, bad fuel pump, ECM bad, ECM fuse bad, Ignition fuse bad.... Too many to list.
Yes you should be able to.
Is the timing belt on a j30 infinity run the alternator
How do you change the fuel filiter on an 97 J30 infiniti and how do i know that i need to change it?
how many quarts of transmission fluid goes into an 93 infiniti j30
Yes.
Yes
video on how to replace window lift motor on j30
The battery for an 95 Infiniti J30 is 12 Volts.
yes
See:http://www.fuzzycats.com/j30_diy.htm
I think the answer is you buy another car, the J30 stopped production in 1997.
its usually to the underside of your hood.