mrpn

i bought a 87 turbo 2 boby and i have a 13b motor and trany i installed in the boby. i changed the egi control box to the one that matched the engine and then i started the engine the temp gauge on the dash does not work. i have traced all the wires and every thing is plugged in. also the charging gauge does not work. i changed the alt. and the engine flooded?? put the alt. back on and started the engine run fine. what could be my problem? any help would helpful thanks for your time .