Stupid Getz question re: wiring - Hyundai Forums : Hyundai Forum
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post #1 of 20 (permalink) Old 04-15-2019, 05:03 AM Thread Starter
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Stupid Getz question re: wiring

My 18 year old son just bought a 2010 Getz for getting around. Great little car and low kms but it's got a couple of issues.

One is the speakers cut in and out. It's not the unit as we replaced it and it's still doing it.

The other is the alarm sometimes goes off randomly.

So one of the suggestions is to check that the ground wire is not loose. But my stupid question is, where is the ground wire connected and how do I check it?

With the stereo, I know it's the black wire but I don't know where it goes to be grounded.

I'm hoping someone here can point me in the right direction. My husband is away and I thought I could do a bit of trouble shooting on my own.

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post #2 of 20 (permalink) Old 04-16-2019, 12:04 AM
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Do all the speakers cut in and out?
Or is it only one?

If it is only one then it could be a broken wire near the door hinge
Suspect there because it is a place where the wire bends a lot
And could break from metal fatigue

If it is all the speakers then could be a chafed power wire
Or a bad ground wire.
If you think it is a bad ground wire then hook up a new ground to the radio (even if only for test purposes)
The same can be done for the power but would put a fuse in line with the circuit (safety first)
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post #3 of 20 (permalink) Old 04-20-2019, 08:52 AM Thread Starter
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Originally Posted by avisitor View Post
Do all the speakers cut in and out?
Or is it only one?

If it is only one then it could be a broken wire near the door hinge
Suspect there because it is a place where the wire bends a lot
And could break from metal fatigue

If it is all the speakers then could be a chafed power wire
Or a bad ground wire.
If you think it is a bad ground wire then hook up a new ground to the radio (even if only for test purposes)
The same can be done for the power but would put a fuse in line with the circuit (safety first)
OK so the alarm was something simple. A Google search said it could be that the hood switch wasn't being pushed in. Sure enough when we had a look, the rubber piece in the bonnet that pushes it down was missing. The wrecker gave me the piece for free and it's sorted.

Speakers are still not working. It's all of them at once.

Today we pulled the panels off and my husband tested them with another speaker. When he plugged the other speaker directly into the wiring from the head unit, it worked so it's not a speaker problem.

So we are thinking it might be a bad ground connection but none of us are confident enough to start ripping stuff apart and rewiring. I already booked it into a car audio place next week but now I'm wondering if this is more an issue for a car electrician. I'm stressing over how much $$$$ this will be since I pushed him to buy the car. I took it to our mechanic who had a look over it and everything else is great but I still feel like **** if he doesn't have a working stereo.

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post #4 of 20 (permalink) Old 04-20-2019, 05:08 PM
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Good test of the radio by substituting speaker to see if radio works. It does.
So the other thing is the speakers.
Since it is used, would assume there is rust on the speakers.

I bought a Honda CRV and it came with two left speakers not working.
Replace radio and it still didn't work. Thinking the radio must be shot on one side.
Replaced the speakers and it works fine.

So, I would suggest looking at the speakers in the door.
They may have rusted connection.
Hooking up the good speak at the door will tell you if the ground is bad or the speaker
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post #5 of 20 (permalink) Old 04-20-2019, 08:04 PM Thread Starter
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The good speaker worked from the head unit connection but it didn't work when it was connected to the door. So I'm assuming somewhere between the head unit and the speaker connection there is a problem. Or could it just be the ground?

It's frustrating because when I take it in I have no idea how much it's going to cost. It could be $100 or it could be $1000 for all I know

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post #6 of 20 (permalink) Old 04-20-2019, 08:08 PM
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I have to say that I'd be very surprised if ALL the speakers would fail all at the exact same time. The chances of that happening are extremely slim. If I was diagnosing that problem I'd be looking for a loose connector somewhere. When the speakers don't work have you noticed anything else not working at the same time? The rear window wiper in particular?
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post #7 of 20 (permalink) Old 04-20-2019, 08:19 PM Thread Starter
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I have to say that I'd be very surprised if ALL the speakers would fail all at the exact same time. The chances of that happening are extremely slim. If I was diagnosing that problem I'd be looking for a loose connector somewhere. When the speakers don't work have you noticed anything else not working at the same time? The rear window wiper in particular?
I don't think anything else stops working. Sometimes it works fine and then just stops. I took it to work the other day to have it serviced and the radio worked the whole way and then stopped again.
When it stops, if we open the door and close it, the sound comes on for a second but it's crackly.
There could be a loose connection. We've checked the obvious spots but to be honest we don't want to go digging through all the wires and pulling everything apart. It's connected fine from the head unit and connected fine to the speaker. The wires are all taped up so maybe there could be a cracked one somewhere. I hate that it's an otherwise great little car but it has this issue.
I'm also annoyed that the seller didn't tell us. The radio worked when we turned it on while buying it and we didn't keep it on. To be fair the guy might not have known either since he was selling it for his elderly dad.

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post #8 of 20 (permalink) Old 04-20-2019, 08:22 PM Thread Starter
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Also I forgot that he took the speaker out of the door and connected it to the phone and it worked fine so the speaker itself seems to be OK.

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post #9 of 20 (permalink) Old 04-20-2019, 10:03 PM Thread Starter
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OK change of information....sorry but I'm getting so confused.

This is what he did.
1) hooked his phone directly up to the car speaker as well as an external speaker. Both worked and played music.
2) then he unplugged the car speaker from the door and connected it directly to the car stereo wiring and it didn't work.

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post #10 of 20 (permalink) Old 04-20-2019, 10:34 PM
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then he unplugged the car speaker from the door and connected it directly to the car stereo wiring and it didn't work.
So he connected the speaker directly to the connector that plugs into the radio and there was no sound?

That would seem to suggest the radio itself is faulty, but you said you had the same problem with the original radio too.
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