NO power in s13 help

[aaronscomp]

Ok so ive been taking my sr20det in and out trying to fix random things wrong with it such as oil leaks, low oil pressure. Every time it fires right up and runs great. This time i put it in it fired up first click went to start it again theres no power to the whole car. The battery has 12v coming from it all the way up to the 3 wires that lead into the fuze box. As soon as you connect those wires to the battery cable it goes down to 2 volts. Im confused ive changed the ignition relays, lower harness, alt fuse so far

[speedeast]

Look for short circuits.

[PapaSmurf2k3]

Yeah, you've got something BIG draining the energy. Have you tried jumping it yet? I would something is getting pretty dang hot in there.

[speedeast]

"...you will be checking the electrical draw the battery has on it when the car is locked up, with the key in the "off" position". First open the hood and disable the under hood illumination light, if equipped. Next, with the key off and the doors locked wait 15 minutes, then disconnect the battery cable on the negative side. (The 15 minute wait allows the computers to go into "sleep mode" and shuts down all electrical). Attach a test light between the negative battery cable end and the negative battery terminal. The test light should illuminate dimly or not at all. If the test light is on brightly there is a strong electrical draw in the system. To locate this electrical draw start removing fuses one at a time. When the test light goes out the circuit in question has been located."