Is used to turn on your factory amplifier if it can be integrated with per your new stereo. If this is present on your wiring diagram you’ll need to connect to this or your am/fm signal will be terrible. Blue – Power antenna lead used to power an amplified antenna or a powered antenna.Sometimes your factory system does not have a wire for ground, in this case youll have to ground the black wire on the new stereos harness. Black – Is dedicated to a negative ground for your vehicle.This source receives power only when the key is turned to the accessory position (The position right before you start the car). Red – Is dedicated to a switched power source.Yellow – Wire dedicated to a constant 12 volt on your factory side.When all the wires are cut you can now strip them about a half of an inch back and start to make your connections one at a time using your crimping tools and crimping caps. Make sure that you cut your wires one by one. What your doing here is matching your vehicles wires to the harness that came with your new stereo. All youll need to do is to match them up with your factory wires using your wiring diagram.Īfter you use your multimeter to verify power, ground and Acc you can start to make the connections using your wiring diagram. These wires below are what youll most likely find on your new aftermarket harness. You’ll be able to follow along if your installing a single din stereo, a double din will have a few more wires that will require additional connections outside of the factory harness. In this example we’ll use a standard aftermarket radio harness (Single Din). You’ll need your wiring diagram handy with you while you while you make your connections to verify you are connecting your new radio’s harness to the right wires on your factory harness.
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