PONTIAC GRAND AM RADIO PROBLEM
2004 Pontiac Grand Am • 136,000 miles
Try n to install a after market cd player. I have the mount bracket, cd player, and the harness. But after its all hooked up nothing works. But the cd will come out it u hit the button. If I hook up the two red wires with the two yellow wires it works , but then after i turn the car off or open the left door the cd player stays on? Not sure what the deal is. I jus want it all to work 100%. Can someone please help with what color wires go to what and why its different that any of the other 20 cars i have hooked up cd players in the past.....Thanks Tom M.
November 1, 2012.
November 1, 2012.
A lot of the radios today don't have the common two power wires that you're used to finding. Instead of a memory 12 volts and a switched 12 volts, they use a main 12 volt feed and two "data buss" wires. The original radio needs a digital computer signal to turn on. A lot of cars also leave the accessory circuit live for a minute or two after the ignition switch is turned off to allow you to roll up the windows. Of course that means involving another unreliable computer but people don't care as long as they have their toys and gimmicks. That might be why your radio stays on. For your aftermarket radio you may need to run a new wire to the fuse box or to something else that turns on with the ignition switch.
GM started this nonsense with the Body Computer on some 2002 models, and I don't THINK it applies to your car yet, but if it does, you will have other systems that don't work once the radio is removed. The warning chime is one of them. If that is the case, you will have to buy a "radio relocation" kit. That will let you mount the original radio in the trunk so all the other systems work, and you just cut the speaker wires and run them to the new radio.
When you say it works when you connect some wires, I assume you mean it has proper sound too. If there is no sound, the car may have a remote amplifier. Many aftermarket radios today have line output jacks so you can use that same amp. If your radio only has speaker wires, you will need to bypass the amp if there is one.
Nov 1, 2012.
Nov 1, 2012.
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