today i was puttin on sum led lights when all the lights from the left side of the truck went out!, did they all burn out cuz of the led's or is it sumthing more serious? no left tail lights, no left front head lights

 

Did you have the battery disconnected while you were connecting these LEDs and messing with electrical circuits?

Since then have you checked all of your fuses to see if you simply blew one?

 

Anytime you hook-up aftermarket stuff to factory wiring, it's always a good idea to isolate the added circuit with a diode inline to supress any voltage spikes or faults that may happen in the added circuit that might hurt/effect the factory circuit. Diodes are cheap and are at any audio/stereo shop such as Radioshack.
By just hooking up the +12v wire last on your added circuit, that creates a backfed voltage spike through the circuit it's tied into.

I'd say check your fuses first and then your relay next. Unhook anything you ties into the factory wiring and solve from there.