and you checked the colour codes chart and that cables are correct placed? only thing i did wrong one time was when placing the ibanez pickguard back on the guitar. the switch touched the grounding cable screwed to the body. a little fauls like that can be easaly overseen..
Make sure all your solder points are clean so you get good contact.
Make sure the ground is soldered to the trem spring claw. Since your going from actives to passives you need a dedicated ground. IDK if the stereo jack needs to be replaced to mono or not?:confused: You might want to look into that.