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#1 |
Registered User
![]() Join Date: Nov 2013
Location: Chapin South Carolina
Posts: 66
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Did a small search and didn't find anything applicable. '71 Cheyenne with aftermarket radio that was in the truck when I bought it some time ago. Works fine good sound for a half deaf guy...........Memory function for station presets used to work now every time I start the truck I have to reset the memory. Are there backup batteries in these things or what? A little help please!
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#2 |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Re: Aftermarket radio loses memory presets
one of the power wires (often yellow) needs to be constant power for clock and preset memory
See if inline fuse is blown and check for power Small light tester is a big help for checking electrical problems. Like this https://shop.advanceautoparts.com/p/...E&gclsrc=aw.ds
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My build page http://67-72chevytrucks.com/vboard/s...d.php?t=764662 My cabinet building site http://www.cbcabinets.com |
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#3 |
Registered User
Join Date: Dec 1999
Location: Mid NE USA
Posts: 2,212
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Re: Aftermarket radio loses memory presets
Could be Orange wire also.
Ron
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Member #111 68 C-10 ![]() 70 ![]() 76 Jeep CJ-5 Help Support the Board: http://67-72chevytrucks.com/vboard/payments.php He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors. Thomas Jefferson |
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#4 |
Registered User
Join Date: Aug 2018
Location: Bronx, NY
Posts: 215
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Re: Aftermarket radio loses memory presets
Agree with above. Check your lighter fuse, or wherever radio taps into power supply. Memory presets / clock need constant power.
Switched power is a separate lead, to power radio amplifier. |
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#5 |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Re: Aftermarket radio loses memory presets
This also may help
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My build page http://67-72chevytrucks.com/vboard/s...d.php?t=764662 My cabinet building site http://www.cbcabinets.com |
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#6 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Sounds like to me your radio is going out on you if it worked before and now it doesn't. You did check fuses I'm sure before asking for help so that's a no brainer but some old radio's have a mini fuse on the backside of the unit it'self that may have blown.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 ![]() Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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#7 |
Account Suspended
![]() Join Date: Jul 2016
Location: Tacoma, WA
Posts: 6,873
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Re: Aftermarket radio loses memory presets
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#8 | |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Re: Aftermarket radio loses memory presets
Quote:
I saw it years ago here and saved the image. Good to have. Mark
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My build page http://67-72chevytrucks.com/vboard/s...d.php?t=764662 My cabinet building site http://www.cbcabinets.com |
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#9 |
Registered User
Join Date: Dec 2018
Location: Los Angeles
Posts: 53
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Re: Aftermarket radio loses memory presets
If your battery is near the end and does maintain a certain voltage you will also lose your preset stations. Kept happening to my retro sound until I replaced the battery.
Problem solved. Still needs a constant battery source to keep memory
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