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'87 300ZX radio problems

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Dane Vickery

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Mar 31, 2003, 8:06:09 PM3/31/03
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Just purchased an '87 Turbo and one of the small problems I bought with it
is once the radio is turned off it will not come back on. If you press
either the tape or am/fm button on the steering wheel, the radio turns off
and will not power back on. The radio may come on when you start the car
sometime later. Anyone heard of this one? Common?


kelley

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Apr 2, 2003, 5:34:41 PM4/2/03
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"Dane Vickery" <dvic...@ix.netcom.com> wrote in message
news:b6aocv$1eo$1...@slb0.atl.mindspring.net...


i have the same car and the exact same problem. the only thing i don't have
is a solution. i took the radio out, disconnected and reconnected it and it
worked, until i accidentally turned it off again.

Dane Vickery

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Apr 2, 2003, 10:15:01 PM4/2/03
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One trick I did find out is that if you insert a cassette when the radio is
off, it will come back on. But if you select AM/FM from the steering wheel
or otherwise turn it off with the tape inserted..... back to square one

"kelley" <kelley@ (blackfoot.net)> wrote in message
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elliott

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Apr 4, 2003, 1:41:29 AM4/4/03
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i own a 87 with 40k i am selling the orignal radio that works with the
steering wheel
would you like more info . maybe you will want to purchase this unit from me

Dane Vickery

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Apr 4, 2003, 9:52:15 PM4/4/03
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Thanks Elliot, will keep it in mind. I'm not convinced yet that the problem
is contained in the radio itself. Need to learn more. If I find it is the
radio I will probably upgrade to CD unit anyway.


"elliott" <neauto....@verizon.net> wrote in message
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kelley

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Apr 5, 2003, 12:24:46 AM4/5/03
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"Dane Vickery" <dvic...@ix.netcom.com> wrote in message
news:b6lg3a$rgq$1...@slb0.atl.mindspring.net...

> Thanks Elliot, will keep it in mind. I'm not convinced yet that the
problem
> is contained in the radio itself.

i'm going to agree with you. as you pointed out, the unit turns on when a
tape is inserted, (i didn't know this, but at least i have some tunes
again.) i found out that (on my car at least) pushing any button on the
radio side of the steering wheel will cause the unit to shut off. it almost
feels like a short of some kind in the steering wheel.

as a side note, my antennae will only ascend when AM is selected. it goes
back down when i select FM. wierd.

dane, post back here if you find anything else out, i will do the same.
should have some time to fiddle with it this weekend, (provided the weather
is decent)


Randy Hansen

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Apr 8, 2003, 3:30:59 AM4/8/03
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To Dane,
I just came up on an '87 Z myself. It does exactly the same thing! I was
thinking perhaps it's a bad ground to the radio. Just a hunch. but
now.....who knows!

To Elliot......how much?


"elliott" <neauto....@verizon.net> wrote in message
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kelley

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Apr 9, 2003, 3:09:17 AM4/9/03
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"Randy Hansen" <rand...@yahoo.com> wrote in message
news:b6ttrj$s...@dispatch.concentric.net...

> To Dane,
> I just came up on an '87 Z myself. It does exactly the same thing! I was
> thinking perhaps it's a bad ground to the radio. Just a hunch. but
> now.....who knows!


very interesting. at least we know it's a fairly common problem. any leads
yet?


Randy

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Apr 12, 2003, 4:30:49 AM4/12/03
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To Dane,
I just came up on an '87 Z myself. It does exactly the same thing! I was
thinking perhaps it's a bad ground to the radio. Just a hunch. but
now.....who knows!

To Elliot......how much?

"elliott" <neauto....@verizon.net> wrote in message
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Randy

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Apr 15, 2003, 2:51:54 AM4/15/03
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Not a clue, other than, I still tend to think its a grounding problem,
probably internal in the radio. It's the way those kind of switches work.
They essentially just ground when you depress them. The radio, much like
computer keyboards sence that grounding.

"kelley" <kelley@ (blackfoot.net)> wrote in message

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C

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Apr 17, 2003, 2:46:21 PM4/17/03
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I have an 89 300ZX 2+2 that has strange problems with the radio and antenna
as well. Nothing has been consistent though, except malfunctions with the
antenna. Some wonderful passerby decided to snap my antenna off and give me
a bigger problem than electrical, for now.

Chris

"kelley" <kelley@ (blackfoot.net)> wrote in message

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Dane Vickery

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Apr 20, 2003, 2:49:38 PM4/20/03
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I'm suspecting that the power antenna may be the cause of the problems with
radio based on info I'm seeing from others with the same problem. I have a
new power antenna on order (my '87 had a manual mast installed before I
bought it and the plug was left dangling). There appears to be a feedback
pot sending position? info to the stereo system judging by the schematics in
the factory service manual. Will post back when I install and test it.

Dane

"C" <cme...@intercom.net> wrote in message
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Randy

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Apr 20, 2003, 8:04:21 PM4/20/03
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Hi Dane,

My 87 had a broken cable in the mast. (It wouldn't go up or down) I have
since replaced it with a factory unit. However my radio problems started
after the installation of the new mast. I still believe it is an internal
problem with the radio.

My Z sat in a garage for about 3 years. Unfortunately the previous owner ,
and friend, had passed away from a brain tumor. His wife just let the car
sit until she decided to move and had to move the car out. I'm wondering if
anyone else with these problems had the car sit for some time??????????? I'm
still thinking a bad ground!


"Dane Vickery" <dvic...@ix.netcom.com> wrote in message

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DM

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Apr 21, 2003, 4:39:09 PM4/21/03
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Thanks for the good info Randy. That shoots my theory. Maybe it is a
ground.....someone out there knows the answer. I thinking it is a fairly
frequent but not chronic problem. Most folks are probably just replacing the
unit with new stuff. I'm not an "original" freak but I would like to keep
this unit intact.

Dane


"Randy" <rand...@yahoo.com> wrote in message
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Randy

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Apr 22, 2003, 12:24:54 AM4/22/03
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I'm with you. I would just as soon put a new Mp3/CD/Tuner. But, I REALLY
like the volume control in the steering wheel! So far, as long as I don't
touch the other buttons, or just turn the radio off, it will stay on for me.
The volume control works fine.

But then again, I can see these buttons being incorporated with a Nitrous
system and electric super charger! (being that mine is non turbo)


C

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Apr 29, 2003, 8:54:24 AM4/29/03
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"Dane Vickery" <dvic...@ix.netcom.com> wrote in message
news:b7uqbd$gap$1...@slb6.atl.mindspring.net...

> I'm suspecting that the power antenna may be the cause of the problems
with
> radio based on info I'm seeing from others with the same problem. I have a
> new power antenna on order (my '87 had a manual mast installed before I
> bought it and the plug was left dangling). There appears to be a feedback
> pot sending position? info to the stereo system judging by the schematics
in
> the factory service manual. Will post back when I install and test it.
>
> Dane
>
When I first purchased the car, the antenna mast was broken inside. The
mast that was snapped off was on a brand new unit that I installed. The new
unit worked fine for about two weeks, then malfunctioned. The motor would
continuously try to lower the mast, never raise it. Throughout all of this,
the radio and tape deck appeared to work fine, although I have had
intermittent problems with the steering wheel controls not working all
along. This car has spent a lot of time sitting, and I wonder if that is a
common link to other people's problems. The last owner only put 5,000 miles
on it in 5 years, but did not keep it in a garage.

Chris

Pisces

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Jun 21, 2003, 10:27:08 AM6/21/03
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It is a common problem and only http://www.geocities.com/wildbill300zx/ was
able to fix mine. He did a nice job, and my radio now works like new.

"Randy Hansen" <rand...@yahoo.com> wrote in message
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Dane Vickery

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Jun 30, 2003, 3:59:55 PM6/30/03
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I had the original post on this thread and wanted to follow up with my
findings. A couple of people mentioned antenna problems along with the radio
problem and since my Z had a manual mast installed at some point, I thought
maybe they're related. I replaced it with a power antenna (new, adaptable,
but not Nissan original) from Ebay. Afterwards tested the unit and the radio
turned off/on just dandy which it had never done in the 3-4 mos. that I have
owned it. Tested it further about 20 times, no failures. Hooray! right? Got
in the car a day later tested it again and it didn't work properly. Had to
insert a cassette tape to get it to power up.

Conclusions? none really, maybe I was onto something, maybe it's all
coincedence.........dunno. I appreciate the tip, but for me it ain't worth
removing and sending to wildbill for repair. Also,I really don't expect him
to hurt his potential income by divulging the answer. It does bug me not
knowing the cause.

Dane

"Pisces" <pisc...@rcn.com> wrote in message
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