C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

stereo test

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Old Oct 17, 2005 | 12:33 PM
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Default stereo test

i have just bought a used stereo from Ebay but how do i test it before installing it in the car. It is the base stereo but mine had the top bose originally so isn't just plug in (fuse blows).
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Old Oct 17, 2005 | 01:11 PM
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what year?
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Old Oct 17, 2005 | 06:13 PM
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The car is a 92 and the stereo is from a 1993
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Old Oct 17, 2005 | 08:19 PM
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Originally Posted by uk vet
The car is a 92 and the stereo is from a 1993
I am pretty sure there is no easy bench test. You would need 12 volts and some method of activating the receiver module.

I would just yank the old head and try it. worst case, you blow more fuses.
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Old Oct 17, 2005 | 10:05 PM
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Do you have access to one of those AC/DC converters? I use to run a car stereo in my house using one of those.
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Old Oct 18, 2005 | 11:13 AM
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Just connect it direct (using a fuse of course) to the battery. Turn it on. Don't turn the volume up or you could blow the amp w/ no load but the radio should turn on and not blow the fuse. You can even verify the CD is working at least from a read point of view.
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Old Oct 18, 2005 | 01:13 PM
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When i plug the unit in it blows 10 amp fuse when i turn it on
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Old Oct 18, 2005 | 01:16 PM
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The unit must be bad. Send it back. No way it should be blowing a 10 amp fuse. Assuming you are hooking it up right in terms of the correct wire for + and - 12 volts.
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Old Oct 18, 2005 | 01:18 PM
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the head units on all corvettes, 1990-1996, are dummies. The power or line signal is created by the reciever module.
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Old Oct 18, 2005 | 01:19 PM
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By the way, do you have a multi-meter. Check for a short between the + and - leads w/ the switch on and not hooked to power. This will tell you for sure. Sounds like something in the power supply has gone out. Probably a cheap fix if you know what your looking for (voltage regulator/diode/filter capacitor).
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