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Question:

Wire Harness wont work?

I plugged in my new Pioneer DEH-P6500it worked for a little bit until i moved it around a littlethe speakers started to go out but the subs still sounded finei messed around with it and found the wire responsible for it allits a red wireit says AAC or somethingif i messed with the copper twist the speakers would come in and outi stripped the wire a little and put it back together but now the head unit wont even turn onand im also left with like 2 inches of red wireis my only option to get a new pioneer wire harness?what is the problem?the red wire i think supplies the power to the whole head unit because when its not connected, the whole thing turns onbut only the speakers go on and off when i messed with itbut it wont turn on anymore

Answer:

You may have blown a fuse. Check the fuse on the back of the radio and your car fuse for the radio.
The red wire is the ignition wire. There are two wires that supply power to your head unit. One is the yellow wire which is a constant source of power. This keeps all your settings on the radio and the clock. The red wire is used to switch on your head unit. When you turn on your car the wire gets power and turns your head unit on. First, like said before, make sure the wire is getting power by checking fuses. There should be one in the head unit and one in your car's fuse panel. If that is not it then you will want to see if the wire is split somewhere. An easy way to check if the wire is getting power is if you have a DMM (digital multimeter). Then just check if there is voltage in the wire. Your car must be on to check this though. Good Luck!!! Edit: DMMs are cheap, you can get one for around $15. They have even cheaper ones if you get it at Harbor Freight.

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