I have an 88 T-bird Turbo Coupe with a factory Graphic Equalizer. When the factory tape deck is installed the Equalizer gets power and it all works fine. When I install the CD player the CD player gets power, but the Equalizer doesn't. In this case, I don't get any sound. How do I get sound and make the equalizer work? (Is this because the factory tape player didn't have bass and treble and the CD player does?)
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Are these all commercial pre-recorded tapes? Or are they tapes that were recorded at home? Is the tape deck one that the tape loads in from the short side and must be flipped around to play the other side....or is it one that the tape loads in with the tape facing in and is auto-reversing? Pre-recorded commercial tapes should work on most machines without problems. Home recorded tapes can be a problem, especially on the type of deck that the tape must be swapped over to play the reverse side. Many users use C90 or C120 tapes to home record. These tapes are thinner than normal tapes and are prone to getting overly tight and then can break and/or stretch. This causes jamming in the deck and distortion of the playback.
I can definitely solve your issue. I just need to know a few things.
1.) Was the factory amp used in the install of your aftermarket deck?
*if equipped the amp would be located underneath the passenger side seat*
2.) Did you use a cable harness to connect to the factory harness when you installed the aftermarket deck?
Check under the passenger's seat for a factory amp. If the blue wire on the aftermarket head unit (accessory/antenna) supply isn't hooked into the power line for the factory amp. You'll get nada. It's usually a bump in the carpet if it's not visible. Look for a spare wire in the dash that originally went to it.
It could be your wiring as well. Sometimes, when speaker wire gets cut and grounded, like your factory wiring to your door speakers or you tap into facrotry speaker wires to add more, the load on your deck increases. When the volume gets to a certain level, it will cut off because of the heat produced to maintain the load.
reinstall the factory radio use a digital volt meter to see witch wire supplies voltage when radio is turned on and off, note placement on harness then verify this wire is hooked up on the output side aftermarket harness you may have to jump it to get the maps to turn on. tip you can carefully pull unused wire from harness example (dimmer wire orange white) and move it to the position needed to keep it a clean install .
I have an Alpine 9887 you have a different eq than just trebel and bass the only way to get you bass an trebel setings are to install the imprint stoftware now if thats the route you go it tunes your radio to what it thinks it should sound like it's for sound quality not for alot of bass been there done that I have the software but you need to take it to a good alpine dealer to have it installed good luck
What kind of car did you install this in? Did it have a factory radio in it? If I had to take a guess I would think that there is a factory amp that you may have hooked the blue wire from the alpine deck to. If this is the case when you switch to CD the alpine deck turns off the power to the power antenna lead(blue wire) and thus your factory amp. If this is the case hook the factory amp turn on to the blue and white wire and you should be good to go. The same goes if your have an aftermarket amp driving your speakers.
What kind of car did you install this in? Did it have a factory radio in it? If I had to take a guess I would think that there is a factory amp that you may have hooked the blue wire from the alpine deck to. If this is the case when you switch to CD the alpine deck turns off the power to the power antenna lead(blue wire) and thus your factory amp. If this is the case hook the factory amp turn on to the blue and white wire and you should be good to go.