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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


Need radio help

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bucket
RossK73
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Need radio help Empty Need radio help

Post by RossK73 Mon 25 Nov 2024 - 9:19

Hi - a few years ago when I put a new underdash stereo in I mistakenly connected my original am/fm radio to the new style speakers.....not smart as they were not the correct amperage and my original radio has not worked since then. Is there a fuse that blows in the unit when this happens or is it toast? I have it out now but don't see anything obvious that might be suspect. Thanx!
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Post by bucket Mon 25 Nov 2024 - 19:28

Are you sure that something else didn't happen?

Many times I've used aftermarket speakers with a different ohm rating and it's been fine.

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Post by Limey SE Tue 26 Nov 2024 - 8:45

RossK73 My friend Kevin Wagner from Facebook repairs these and installs Bluetooth as well if Interested I can get his Contact info

___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
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Post by 76Chevelle2Tone Wed 27 Nov 2024 - 8:55

Can you hook the radio up to a different set of speakers with different cables? Typically if there is a serious electrical mismatch between radio and speakers it will affect/damage the speakers not the radio. Is there a separate amplifier or is it inside the radio box?
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Post by RossK73 Thu 28 Nov 2024 - 10:00

I'll have to get an 8 ohm speaker and hook it back up to try it again. It's been years since I changed it so I don't even remember if my front mono speaker even worked at the time.
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Post by 76Chevelle2Tone Thu 28 Nov 2024 - 20:48

Ross,
Just about any audio speaker will play well enough at 8 ohms outside of a very few large home / commercial speakers. You are only trying to verify whether it is the radio or speakers that are defective.
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Post by RossK73 Wed 4 Dec 2024 - 8:34

Just an update.... connected my radio to my newer 4 ohm speakers and it works great. Now I need to replace my front in-dash 8 ohm speaker as I know now that it is the defective component. What size is this speaker and anyone know where to source one. It looks like a job for very small fingers!! I have the ash tray and heater control out but still looks difficult. Thanks all!
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Post by Limey SE Wed 4 Dec 2024 - 11:43

I believe its a 4x10 size and I believe you can access the speaker by taking on of the Controls radio and ashtray and laying on your back in the most uncomfortable position known to mankind

this says rear but is the right size for the front center speaker


https://www.thepartsplaceinc.com/product/1977/1977-chevrolet-chevelle-malibu-4x10-rear-dash-speaker-gm-16029482-or-16040881/63463

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Post by 76Chevelle2Tone Wed 4 Dec 2024 - 14:06

Ross,
Glad you didn't rush out to buy a new radio. Hope you get your sound back soon with new speakers.
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Post by Mcarlo77 Wed 4 Dec 2024 - 19:29

As long as you're going in there, might want to consider the optional 2-speaker setup? Bracket ends mount in the same holes but, has a third mtg ear in the middle. I've got an extra bracket if interested. Would have to search my stash for the dual pigtail harness.

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Post by zucchi Thu 5 Dec 2024 - 8:41

Limey SE wrote:…laying on your back in the most uncomfortable position known to mankind…
…unless you're a yogi master lol!

To be clear, I'm NOT a yogi but every time I need to work under the dash, I wish I was.
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