Lookes like you have an older unit but never the less you can usually find wiring diagrams online. ? Do you have an aftermarket harness fitted to your vehicle if not you need to get one for connecting your radio makes it easier. But if you should have a standard wiring for it Your red, yellow, orange, and black the orange would be for a dimmer if you had one and your would also have a blue with which strip which would be your remote wire for an external source which in your case it want be used unlsess your hooking an amp up But Red is you Acc or ignition which will connect to the red on on the harness if you have already purchased one. The yellow is your constant 12v which is for memory and your black of coarse is ground. These wires will all tie into the right harness providing like i said you bought one. If not go get your harness for your vehicle you can pick one up virtually anywhere.
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Lookes like you have an older unit but never the less you can usually find wiring diagrams online. ? Do you have an aftermarket harness fitted to your vehicle if not you need to get one for connecting your radio makes it easier. But if you should have a standard wiring for it Your red, yellow, orange, and black the orange would be for a dimmer if you had one and your would also have a blue with which strip which would be your remote wire for an external source which in your case it want be used unlsess your hooking an amp up But Red is you Acc or ignition which will connect to the red on on the harness if you have already purchased one. The yellow is your constant 12v which is for memory and your black of coarse is ground. These wires will all tie into the right harness providing like i said you bought one. If not go get your harness for your vehicle you can pick one up virtually anywhere.