i just finished swapping a d15 into my dx hatchback and for some reason the ecu is not working.originally the engine is not vtec and this motor is its a 1.5l d15b sohc vtec.i mean the car will start but the speedometetor is not reading the engine light doesnt come on when you turn on he car so i dont know what the problem is? do i have to make a change is some of the wires please help me out i dont think it is safe that nothing is showing up on my cluster.