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#11
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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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#12
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Richard Bell wrote: > In article > , > Bruce Chang > wrote: > > > >"sdlomi2" > wrote in message > ... > >> 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. > > > > You need two diodes. One diode prevents the car from trying to charge the > small batteries, and the second to keep the small batteries from trying to > help crank the starter. The large capacitor will cause a voltage > spike, just after the motor starts, so a choke coil will be needed to > protect the sound unit. > > 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. Replacing the battery tray with one from a 56-64 Stude (assuming it's a C-K body, I'm not sure about sedans) will allow a larger battery to fit. nate |
#13
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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 |
#14
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"sdlomi2" > wrote in message ... > 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 |
#15
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"Chas Hurst" > wrote in message ... > > "sdlomi2" > wrote in message > ... > > 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 |
#16
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sdlomi2 wrote:
> > "Chas Hurst" > wrote in message > ... > > > > "sdlomi2" > wrote in message > > ... > > > 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 |
#17
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"sdlomi2" > wrote in message ... > > "Chas Hurst" > wrote in message > ... > > > > "sdlomi2" > wrote in message > > ... > > > 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 Connect an ammeter in the +12V line and see which way the current flows when starting. Check again that the radio is wired properly. |
#18
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"Mike Romain" > wrote in message ... > sdlomi2 wrote: > > > > "Chas Hurst" > wrote in message > > ... > > > > > > "sdlomi2" > wrote in message > > > ... > > > > 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 Thx, Mike. We'll do just that this evening. Sounds like the "next" logical thing to try. s |
#19
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Paul Hovnanian P.E. wrote:
> "Steve B." wrote: > >>On Mon, 31 Jan 2005 16:32:41 -0500, "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 >>> >>> >> >>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. > > > This is what I was thinking. Maintaining memory settings were no that > big an issue back in '55, so a hard line to the battery might be hard to > come by. Not at all, just pick it off the back of the ammeter or the "battery" post on the ignition switch. Both are ring terminals with nuts. > > Its best to run a dedicated wire from the battery (+), with an in-line > fuse near the battery to the radio 'battery' input. If the radio is > supposedly already connected to a hot point, the radio dropping out > might be a symptom of a dirty, weak or loose connection, or a charging > system problem. > yes, an inline fuse is a must, as the wire to the ammeter is *not* fused. Also would be an excellent idea to put some fusible links or high-amp fuses inline up at the starter solenoid. Nothing sucks worse than a Stude with a crispy wiring harness... um, or so I've heard. (did I post about the last car show I went to...?) nate PS - sdlomi, if you haven't already, come on over to alt.autos.studebaker for the more Stude-specific questions you will undoubtedly have. Also check out my cheezy, suck-ass web site (see ..sig) to get you started towards some better Stude-related sites (stude.com and the forums at SDC are good, also Bob J's page and... well there's lots of them, really.) -- replace "fly" with "com" to reply. http://home.comcast.net/~njnagel |
#20
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>>> 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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