The fieance dad bought a 93 bronco i think its a 93 anyway its at my house,i got in it,and it has the push button 4x4 and lowrange,the lowe range light stays on all the time and the 4x4 light stays on,??how do you get it out of low range??i pushed the buttons and it'll blink and then stay on??I poped the hood and looked for a computerbox didnt see one theres a bunch of wires on the driverside inside feander with some sorta test plug in them any ideas?