My 95 Mustang wont fire???HELP PLEASE!

[Patrick16]

Ok,so i bought a 95 mustang 3.8 as a fixer upper hoping i could have it ready by the time i turned 16.It will turn over but wont fire?Well im 16 now and still cant figure out whats wrong with it.My uncle parked it about three years ago(it ran when he parked it) because he got a new truck,he thought the neutral safety switch was going out in it but it ended up being a bad connection to the starter.A guy that was looking at it accidentally put the battery in backwards and i think it fried the ecm so i installed a new one today.well it still wont fire.i also replaced the crankshaft position sensor.as well as the coil and the plugs.Does anyone know what the problem could be? Thanks for your help

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[JUSTA6]

have you done you basic diagnostics yet.
fuel pressure and spark. pull a boot off the plug and crank it see it the plug wires are aLL firing. dont go wasting money by throwing parts at it hoping that something you thow on it will make it run

[Patrick16]

none of the plugs are firing,thats the problem.And i did the basic diagnostics.including the fuel pressure and it was good.

[JUSTA6]

have you checked the coil pack

[JUSTA6]

try testing resistance across the coil pack

[Patrick16]

i did its getting voltage.if thats what your talkingabout

[RyansQuick6]

WIth a battery being installed bachwards, alot of things could have been messed up. Pull every fuse and relay one at a time and test them, that's the best place to start.

[Patrick16]

i did that also,theyre all good

[RyansQuick6]

Is the fuel pump working?

[Patrick16]

yeah it works fine