Ohk thanks for that, do u mean the antenna plug may be shorting to body of cd tuner?? and if so shouldnt that be affecting FM frequency? when i put it on AM i can pick up stations extremely faintly. wats your thoughts?
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Re: thanks for the assistance
Hi again richos,
The outside area of the antenna plug would definitely touch the body of the CD/Tuner as it is the ground where the shielding of the cable is soldered to. I was referring to the central point where the active wire is soldered to and is connected to the exposed antenna element.
Another possibility to consider is the orientation/location of the vehicle/antenna (though unlikely).
As to the FM, it would still work (even if shorted) since it operates on MHz (unlike AM in KHz). Some antennas for FM (exclusively) even have a balun (coil) matching which is shorted when tested for continuity.
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Are you using an amplifier? If you are, it sounds like you are using the power antenna remote turn on (usually blue) instead of the amplifier remote turn on (usually blue/white). Leaving tuner mode when using the power antenna remote turn on turns the amplifier off.
If you are using an amplifier, make sure you are using the blue/white wire to turn the amp on instead of the blue wire. The blue wire is power antenna remote turn on and shuts off when leaving tuner mode.
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.
I will give you a full rundown on how to install the cd changer;
Disconnect the car battery.
Run the cable from the Jensen changer to the back of your dashboard. Depending where you mount the changer, you might want to hide the cable under the carpet or run it along the door panel. Take some time before you mount the changer to figure out what is the best way to run the cable for your situation.
Remove your deck and the dashboard around it to access the back of the deck.
Locate the antenna lead plugged in to the back of your deck. Unplug it.
Find a good space to mount the FM modulator behind the dash and close enough to the deck to connect the antenna lead. You can secure the modulator to the inside of your dash by using two sided Velcro tape and place it where you need. Plug the antenna lead into the modulator's "Antenna In."
Connect the FM modulator to your deck by plugging the "Antenna Out" lead off the modulator to the antenna in on your deck.
Connect the two power cables from the modulator to your car's power. One lead goes to a constant source of power and one connects to a switched 12-volt power source.
Ground the modulator by running the black wire to an exposed screw. Wrap the wire around the screw and tighten it down so the wire doesn't come loose.
Reinstall your deck and dashboard.
Find a spot on your dash to mount the display unit. You can get creative and cut a hole in your dash and mount it that way or you can use Velcro tape and place it on your dash that way. Make sure it is close enough to the driver's seat so it can be accessed without having to reach too far. If there are loose wires hanging from under the dash you will want to tuck them under the dash and wrap them with wire ties.
Is the sound working fine for the radio? If so, are you using an amplifier? If you are using an amplifier make sure you are using the blue/white wire (amplifier remote turn on) instead of the blue wire (power antenna remote turn on). The blue wire turns off when leaving tuner mode.
are you running audio through an amplifier? if so, you may be using the wrong blue wire to turn the amp on. usually the amp remote wire is blue/white. solid blue is usually antenna remote, which turns off when leaving tuner mode.
sounds like the changer was plugged into the antenna jack of the radio. this means that you can run it through any radio simply by sending a signal to a preset station on the radio and listening to it through tuner. the control unit ran the changer itself. you may be able to obtain replacement cables from pacparts.com
A possibility is that the antenna cable/plug is shorted. You can try verifying this with a continuity tester or simply unplug the antenna and stick a piece of insulated wire with the tip/end stripped into the antenna. Try the AM with the wire as the antenna. Just be carefully not go that far as the wire may reach the PCB/electronics.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.