Re: am trying to find color codes for audio system on a...
My suggestion is to head down to Autozone and purchase a Haynes Repair Manual for the make and model of your car. Toward the back, you'll find a bunch of wiring diagrams, one of which should be for the audio system. Most importantly, the diagram will tell you what colors the wires should be.
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The best advise I can give and the worst mistake you can make while trying to install a new head unit into a car is DO NOT CUT THE STOCK HARNESS.
New head units come with bare harness with just wire ends, so you may think you need to cut off the harness on the car to wire it in.
This is the worst thing you can do. As a matter of fact, it is a bad Idea to cut any harness for anything in your car as they make wiring harness adapters to fit every thing in your car.
Before you install your head unit, go to Best Buy, or any car audio place, or on the internet and get a harness to suit the install. For instance if you have a pioneer head unit, and a 2007 Honda, you want a pioneer to 07 Honda wiring harness. This will allow your head unit to connect right into the stock wiring harness.
Hello... I will try and help you with your problem. I am assuming that you have cut the factory harness off in the truck? If you have and you can reconnect it, I would recommend doing this and then you can purchase a wire harness adapter and then just match the colors. The benefit in using an adapter harness is the ease of the installation, and the more you change the radio in the truck, the shorter the wires will get. If you do not have the factory harness, or cannot reconnect the old one, here is the hardwire code:
Wire purpose: Truck color: Alpine harness:
6 1/2" Doors
Left Front (+)
Left Front (-)
Right Front (+)
Light Green Gray
Right Front (-)
6 1/2" Rear Corners
Left Rear (+)
Left Rear (-)
Right Rear (+)
Right Rear (-)
Do not cut the wires from the car. Instead, call Crutchfield at 888-955-6000 and order the adapter part number 120701003. When you call them, ask for color coding. For JVC, refer to the attached picture. Match the adapter color code with that of JVC. If the adapter color code is the same, then connect ground (black), battery (yellow), and wire from ignition switch (red) securely. Turn on the car and see the radio works. If it works, connect one by one speakers and confirm. Remember, perfect connection gives reliable installation.
The auto and radio Dons have blessed us with a universal color code for all vehicles-that I've noted in all the systems that I've changed. If you're swapping out the stock Chrysler system you'll need to go to Walmart-or a store that sells audio equipment-to buy the Dodge/chrysler/jeep adapter. You connect it to the factory connect and splice the same colors to the radio. Most times the wire have the speaker it goes to written on it. If you have already cut the connector off and can't reconnect the wires, just match up the wires with the matching colors. Hope this helps.
If the rear speakers worked before your new head unit was installed, then the first question is does your new head unit have the facility to feed four speakers. Some systems will only power two speakers. The Audio Shop should have rectified the fault - you paid for the installation and as the customer you have a reasonable expectation that they would do it properly and ensure that all of the existing speakers were functioning properly. It would be worth challenging them again - if they refuse you could go to Citizen's Advice Bureaux or the nearest Trading Standards Office. Alternatively, try tracing the wires back from the rear speakers to the head unit - are the wires connected up properly... at both ends (i.e., the speaker end and the head unit).
The audio shop has probably hard wired the head unit because the sockets in the back of the head unit were not compatible with the plugs that came as standard with the car. A Haynes Manual or equivalent will give the colour codes for the various wires for the audio system.
you need to hook the yellow wire off the back of the radio up straight to the battery this keeps memory power to the head unit then wire the wires in color coded sequence red to red black to black so on and so forth if this doesnt fix it you might want to think about replacing head unit
Metra makes wire harnesses for your problem. If your wire harness is, 70-5555 the part that goes into the OEM radio will be 71-5555
Try www.metraonline.com and put in the car info. The harness will come with wire codes for splicing the new plug.