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radio in 1997 Corolla not working consistently


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jacobc
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Apr 24, 2012, 1:04 AM

Post #1 of 7 (1176 views)
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radio in 1997 Corolla not working consistently Sign In

Vehicle info:

1997 Toyota Corolla, about 140,000 miles

The radio in our 1997 Corolla sometimes refuses to turn on. This is the original radio that came with the car. When the engine is off and the radio is running off the battery, it always works. But when the engine is on, it often doesn't turn on, although occasionally it does (it seems to be random). So it seems to be a contact problem, not a problem with the radio itself. What can we do to fix this and have the radio works consistently? Thanks a lot for your help.


nickwarner
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Apr 24, 2012, 9:48 PM

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Re: radio in 1997 Corolla not working consistently [In reply to] Sign In

You need to verify the power at the ignition hot wire while this isn't working. If it has the proper voltage, backpin the ground wire and run a jumper straight to battery ground. If the radio works like a charm, you have a bad ground. If not, you have a bad radio.


Discretesignals
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Apr 24, 2012, 10:46 PM

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Re: radio in 1997 Corolla not working consistently [In reply to] Sign In

Just don't jumper the wrong wire to ground.







Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Apr 24, 2012, 10:50 PM)


jacobc
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Apr 25, 2012, 3:30 PM

Post #4 of 7 (1090 views)
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Re: radio in 1997 Corolla not working consistently [In reply to] Sign In

Can you please explain in detail exactly how to do these things?


nickwarner
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Apr 25, 2012, 7:54 PM

Post #5 of 7 (1083 views)
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Re: radio in 1997 Corolla not working consistently [In reply to] Sign In

You need a wiring diagram of your stereo. You unplug the connector and use a 12v test light to check for power at the battery constant wire with the key off, the Ign hot wire key on, and if you have it there you plug the connector back in, backprobe the harness at the ground wire pin (paper clip works good for that) and jump that directly to battery ground. If the stereo works you know you have a ground issue. If no power on your power tests post back and we go from there


Discretesignals
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Apr 26, 2012, 7:53 PM

Post #6 of 7 (1071 views)
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Re: radio in 1997 Corolla not working consistently [In reply to] Sign In

I hope I didn't scare the OP....Angelic





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


nickwarner
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Apr 27, 2012, 5:43 PM

Post #7 of 7 (1057 views)
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Re: radio in 1997 Corolla not working consistently [In reply to] Sign In

You're mean DS. I bet you hide in bushes on Halloween just to try to make some little kid pee his pants. Mean mean moderator you!




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