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stereo loses settings when startup
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CarGuru > Technology > stereo loses settings when startup 2 February 2005 06:18:19

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stereo loses settings when startup

Sdlomi2 1 February 2005 01:32:41
 Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set
stations, it remembers fine going from on to off to access to off. But!
When I start i, the starter seems to drop the "voltage threshold"(at least
that's what I visualize) such that all memory settings are lost.
Ideas, please? Thank you, s



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Bruce Chang 1 February 2005 01:43:04 permanent link ]
 
"sdlomi2" <sdlomi2@spamyahoo.­com> wrote in message
news:gvxLd.6188$FZ7­.510@fe04.lga...> Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set> stations, it remembers fine going from on to off to access to off. But!> When I start i, the starter seems to drop the "voltage threshold"(at least> that's what I visualize) such that all memory settings are lost.> Ideas, please? Thank you, s>

Maybe a small 12V battery or large capacitor that's hooked up with a diode
between it and the car battery so voltage to the stereo won't drop when the
car battery voltage drops significantly.

-Bruce


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Steve B . 1 February 2005 05:17:40 permanent link ]
 On Mon, 31 Jan 2005 16:32:41 -0500, "sdlomi2" <sdlomi2@spamyahoo.­com>
wrote:
Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set>stations, it remembers fine going from on to off to access to off. But!>When I start i, the starter seems to drop the "voltage threshold"(at least>that's what I visualize) such that all memory settings are lost.> Ideas, please? Thank you, s>

Have you checked the retained power line to make sure that it still
has power when the starter is engaged? If it doesn't have power even
for a couple seconds your radio will loose its settings.

Steve B.
Add comment
Bob 1 February 2005 07:04:20 permanent link ]
 
"Richard Bell" <rlbell@csclub.uwat­erloo.ca> wrote in message
news:ctmntu$7aa$1@r­umours.uwaterloo.ca.­..

Here, in the Great White North (How's it goin', eh?), we would advise you > that> your battery is seriously short of cold cranking amperage and that you> should buy the biggest battery that will fit in the tray. However, being> designed for old-tech batteries, you should accept anything that covers > half> of your '55 studebaker's battery tray. While cold weather starting may be> the least of your worries, a larger battery is the simplest (if not the> cheapest) solution to your problem.>
I couldn't agree more, all those other fixes are just going to hide the
symptom and not repair the problem which is either a bad battery, a bad
connection or bad wiring.
Bob


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N8n 1 February 2005 17:34:54 permanent link ]
 
sdlomi2 wrote:> Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set> stations, it remembers fine going from on to off to access to off.
But!> When I start i, the starter seems to drop the "voltage threshold"(at
least> that's what I visualize) such that all memory settings are lost.> Ideas, please? Thank you, s

I'm assuming that this must have been converted to 12V at some point in
time? Sounds to me like you need to look at the battery, cables,
wiring etc...

nate

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Mike Romain 1 February 2005 18:12:41 permanent link ]
 That usually means a corroded or undersized connection on the ground to
me. If the body doesn't have a good ground tag, then the starter can
draw enough to drop the body power way down.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

sdlomi2 wrote:>
Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set> stations, it remembers fine going from on to off to access to off. But!> When I start i, the starter seems to drop the "voltage threshold"(at least> that's what I visualize) such that all memory settings are lost.> Ideas, please? Thank you, s
Add comment
Chas Hurst 1 February 2005 18:37:09 permanent link ]
 
"sdlomi2" <sdlomi2@spamyahoo.­com> wrote in message
news:gvxLd.6188$FZ7­.510@fe04.lga...> Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set> stations, it remembers fine going from on to off to access to off. But!> When I start i, the starter seems to drop the "voltage threshold"(at least> that's what I visualize) such that all memory settings are lost.> Ideas, please? Thank you, s>

IRRC the start position disconnects the acc post to prevent drawing current
the wrong way. The memory should be connected to +12V line, not the ignition
switch or circuit controlled by it.

Chas Hurst


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Sdlomi2 1 February 2005 18:46:50 permanent link ]
 
"Chas Hurst" <hurst1@comcast.not­> wrote in message
news:Qcadnc4rWK2FCW­LcRVn-gQ@comcast.com­...>
"sdlomi2" <sdlomi2@spamyahoo.­com> wrote in message> news:gvxLd.6188$FZ7­.510@fe04.lga...> > Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set> > stations, it remembers fine going from on to off to access to off. But!> > When I start i, the starter seems to drop the "voltage threshold"(at
least> > that's what I visualize) such that all memory settings are lost.> > Ideas, please? Thank you, s> >
IRRC the start position disconnects the acc post to prevent drawing
current> the wrong way. The memory should be connected to +12V line, not the
ignition> switch or circuit controlled by it.>
Chas Hurst>
We tried fusing a + line straight to the battery post--other thoughts?
Thanks, Charles. s


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Mike Romain 1 February 2005 19:35:42 permanent link ]
 sdlomi2 wrote:>
"Chas Hurst" <hurst1@comcast.not­> wrote in message> news:Qcadnc4rWK2FCW­LcRVn-gQ@comcast.com­...> >
"sdlomi2" <sdlomi2@spamyahoo.­com> wrote in message> > news:gvxLd.6188$FZ7­.510@fe04.lga...> > > Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set> > > stations, it remembers fine going from on to off to access to off. But!> > > When I start i, the starter seems to drop the "voltage threshold"(at> least> > > that's what I visualize) such that all memory settings are lost.> > > Ideas, please? Thank you, s> > >
IRRC the start position disconnects the acc post to prevent drawing> current> > the wrong way. The memory should be connected to +12V line, not the> ignition> > switch or circuit controlled by it.> >
Chas Hurst> >
We tried fusing a + line straight to the battery post--other thoughts?> Thanks, Charles. s

I would run a booster cable from the battery negative to the radio case
or the radio ground wire to see if that fixes it.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
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Fweddybear 2 February 2005 06:18:19 permanent link ]
 
Help! Got a '55 Studebaker. Aftermkt. mp3/cd/amfm radio. If I set>>>stations, it remembers fine going from on to off to access to off. But!>>>When I start i, the starter seems to drop the "voltage threshold"(at >>>least>>>that's what I visualize) such that all memory settings are lost.>>> Ideas, please? Thank you, s>>>
Have you checked the retained power line to make sure that it still>>has power when the starter is engaged? If it doesn't have power even>>for a couple seconds your radio will loose its settings.>>
Steve B.

You may have to connect the player to something that does not draw alot
of power upon startup.... for instance the headlights, or brake lights...

Good Luck..

Fwed


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CarGuru > Technology > stereo loses settings when startup 2 February 2005 06:18:19

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