If you have a soldering gun or iron you are one step ahead. All you need is the adapter to fit into old radio spot and the aftermarket adapter harness that plugs into your factory harness.
There are 3 simple power wires, 12v constant (Red wire) , yellow wire 12v switched power (gets signal from the ignition to turn on), and the ground (black wire).
The rest are the speaker wires, two per speaker. The harness adapter is labeled with speaker locations and if they are the positive or negative wire. You just match those up and solder them.
Always use the shrink tube over soldered connections, or at the very least black electrical tape over each wire.
There are 3 simple power wires, 12v constant (Red wire) , yellow wire 12v switched power (gets signal from the ignition to turn on), and the ground (black wire).
The rest are the speaker wires, two per speaker. The harness adapter is labeled with speaker locations and if they are the positive or negative wire. You just match those up and solder them.
Always use the shrink tube over soldered connections, or at the very least black electrical tape over each wire.