radio draws power when car is off 1994 corvette
it is a parasitic battery drain. i think it might be caused by the radio drawing too much power after the car is off.
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Rep: 101,2 Tsd.
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rcs1055 , That could be a possibility especially if aftermarket radio install, you could remove fuses or unplug the radio/amp and see if battery drain stops using a DVOM. Use the 1st link below to see how to test for parasitic draw and a couple links for radio removal so you can unplug and check wiring,etc. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
https://www.youtube.com/watch?v=KF1gijj0...
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rcs1055 , If you feel the problem is in the radio, remove the radio and disassemble it and look for bloated/blown capacitors, bad connections, burnt/ loose/damaged/components and repair as necessary. If not wanting to repair take into a good local car audio repair shop and have diagnosed and estimate repair or replace the radio with new or good used one. You can perhaps find and use the model # from the radio to do a search for schematic. Below is a link to the radio's wiring. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
Thank you, I will try what you suggest.
rcs1055, Thanks for replying back, good luck with your radio.
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Well if that didnt work id be looking at the alternator ...there are somethings inside i dont recall proper term ( rectifiers?) but when they go bad they will drain your battery overnight or maybe if it sits a couple days..... i have had many late model gm cars do this so if all else fails its free to look into it
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