i have an 87 stang originally a 4 cyl...what wires can i remove in a 4 cyl. to v8 carbed conversion ...i t has no ac or heat i just want the lights blinkers and windshield washer,fuel,speedometer..i am going to install aftermarket gauges for the temp, oil, tach, and amps..the person before me has chopped the wires up and iam having a hard time where to start.