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Re: wiring car stero
Go over the steps in this link. You can account for each wire needed and you can see where the blue wire goes. In most of the stereo's I have installed the blue wire is either memory wire or ground wire.
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Are you running your audio through an amplifier? If so, it sounds like you are using the blue wire instead of the blue/white wire to turn your amp on. The blue wire is power antenna remote turn on and turns off when leaving tuner mode. The blue/white wire is amplifier remote turn on.
Red(is power, Orange(is led power Black(is ground Their should be a bunch of other wires with light colors that are your speakers. If this info don't match. Buy a power tester and ground it and test each wire.
I would say it is. Did you disconnect the blue lead from the amp then measure the lead for 12v? I just hooked one up for my son and the blue lead was the 12v that turned the Switch Mode Power Supply in (SMPS) the Amp, now, it's only present when you turn the radio on, it's not full time. If all this is done and you don't have 12v on the blue lead, I would look for a in-line fuse close to the radio. Now, if that fuse is open I wouldn't be surprised if the amp is gone also. If it was under 150.00, I would'nt have it repaired, just buy another one. My son was forced to do that because the parts were almost 1/3 the price of the amp, at my cost! Keep in touch.....
use a test light with ignition off when u find power connect it to yellow(memory) then on acc when u find power conect red connect black to earth blue is optional (power antenna) find the speaker wires colors at the back of each speaker and connect the two of the same color to each speaker striped wire + no stripe - hope this helps
Here are the wiring codes for the VT, VN-VT Commodores:
Accessory (12V) Yellow
Battery (12V) Orange/White
Ground (earth) Black/White
Antenna power (12V) Yellow/Red
Front Left + Tan
Front Left - Grey
Front Right + Light Green
Front Right - Dark Green
Rear Left + Brown/Black
Rear Left - Yellow/Blue
Rear Right + Blue/Orange
Rear Right - Blue/Black
Antenna Up White (VR-VT)
Antenna Down Blue (VR-VT)
Phone Mute Yellow/Black (VT)
Dimmer In (12V) Brown/White
Dimmer Out (12V) Grey (VT)
Run ur remote wire to the head unit from the amp its blue and u said the head unit u have is a duel it should have a yellow wire or or a dark blue one. hook up the remote wire to one of those and let me know if that works and one more thing do not run the RCA cables on the same side of the car or truck what ever u have but if ur power wire and the remote wire are on the left hand side run ur RCA'S on right from the head unit to the amp.
I'm assuming that you're connecting to a wire harness that you've purchased and not directly to the wires which were plugged into the original Honda radio.
The black ground wire from the Pioneer can be connected to the ground wire on the car. You are correct on the blue/white remote turn-on wire as well - it can be connected to the blue power antenna with no harm. If you were installing any amps the blue/white wire would also go to their remote turn-on input.
The system remote control is usually a blue wire on your decks harness and it is for an amplifier for a sub or other speakers. It sends power to the subs amp when the deck is turned on. You may need to find the wires coming off the antenna and splice them into the red power switching wire 12v on you decks wire harness. Good luck