North American Turbocoupe Organization



Stereo and Eq
Joshua56 Offline
Junior Member
#1
wondering if any one has come across anyone that rebuilds stock  Stereo and EQs.  i pulled out the after market stereo junk, repaired all the wiring and re installed all the stock equipment. found out i have a few bad channels in my stereo and Im have some intermittent EQ problems. Not trying to go back aftermarket. I want my girl to look all stock.
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anasazi4st Online
Senior Member
#2
(04-12-2023, 05:39 PM)Joshua56 Wrote: wondering if any one has come across anyone that rebuilds stock  Stereo and EQs.  i pulled out the after market stereo junk, repaired all the wiring and re installed all the stock equipment. found out i have a few bad channels in my stereo and Im have some intermittent EQ problems. Not trying to go back aftermarket. I want my girl to look all stock.

While I am all for keeping it as stock as possible, I followed Jeff’s advice and that of others and replaced the original (stereo) head unit several years ago, as well as all the speakers.

I can tell you, that JBL Premium OEM stereo kicked some ass in its day, even 4 years after it was built (1991). It was not an easy decision, until afterwards when the sound quality is absolutely amazing. Plus the ability to stream music, sports broadcasts, etc. from my phone; A/V In so I can plug in my iPod Classic; and (if I really needed it) a CD and DVD player as well.

Here is my setup:

[Image: IMG_0139.PNG?dl=0]

There is a backup camera included as part of the setup. The RED toggle switch is for an on-demand backup camera, not just in Reverse; the GREEN toggle switch is for the hard-wired Radar Detector. I had to redesign that portion of the IP console and do it in such a way so it did not look like a high school science project.

If you must keep that original unit, PLEASE consider new speakers! The OEM ones had paper cones. You probably don’t want to see what they look like now, after 30+ years of sunlight, heat and humidity—new ones utliize a neoprene or some sort of polypropylene compound. They will be hidden, so no one needs to know.

Here, from the Crutchfield.com site, is an example of a rear deck speaker from a 1998 Taurus. Which is probably 10 years older (at least) than your car:

[Image: ford.jpg]

As the author points out, “it suffered from nearly fourteen years of sunlight streaming through the rear window”.

Here is the link to the link to that article, called “Charting the decline of factory speakers”.

I fooled around with my stock setup before I junked it. The stock EQ is junk. I worked with it internally and was able to do some soldering that eliminated the Power button, which is most of the problem, as well as the Fader. (I put black electrical tape over those holes.) I can share that electrical schematic that I drew up if you really must have that stock EQ. No sense buying another—I swear they were designed to go bad. I bought 2 more before I learned my lesson. My fix eliminates that problem (Power button doesn’t stay on, Fader makes a sort of crackling noise when knob is turned), but it is delicate soldering work and not for the faint of heart.
Another proud dues-paying member.

1987 Turbo Coupe w/T5OD, 8.8 axle, grey smoke; most options. Got it in 1991 with 41K miles: 3 turbos, 2 heater cores, 3 T5OD full rebuilds, 6 clutches, 1 head gasket, 2 Teves II ABS units, etc. later....
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88Slowbird Offline
Member
#3
(04-12-2023, 05:39 PM)Joshua56 Wrote: wondering if any one has come across anyone that rebuilds stock  Stereo and EQs.  i pulled out the after market stereo junk, repaired all the wiring and re installed all the stock equipment. found out i have a few bad channels in my stereo and Im have some intermittent EQ problems. Not trying to go back aftermarket. I want my girl to look all stock.

any pics of the car stereo stuff you removed? I might be interested in it for my bird
1985 SVO: Pro 5.0 Shifter, Boport valve springs, Ranger R Cam, Manual boost controller
1985.5 TC
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