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Bad sound distortion on stock stereo
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Topic: Bad sound distortion on stock stereo (Read 4612 times)
shinkle
Newbie
Posts: 16
Newbie
Bad sound distortion on stock stereo
«
on:
April 10, 2021, 11:27:00 am »
My stock radio has a digital clock with cassett player. It works great except for a bad distortion on the left side speakers. Mainly the rear speaker on the bass sound. The beat beat beat rythm of songs is badly distorted. I replaced the rear stock speakers with no luck. It does it on both antenna and cassette tapes.
Any suggestions?
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1987 R10 5.7L TBI
bd
Global Moderator
Senior Member
Posts: 6627
Re: Bad sound distortion on stock stereo
«
Reply #1 on:
April 10, 2021, 12:48:49 pm »
Try thoroughly cleaning and verifying all of the connections between the head unit and the speakers. Validate the ground connection for the head unit.
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Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)
mdws1987
Newbie
Posts: 43
Re: Bad sound distortion on stock stereo
«
Reply #2 on:
April 10, 2021, 04:21:27 pm »
Try reversing the left and right connections at the radio. If the distortion moves to the other side, the radio output may be bad...
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shinkle
Newbie
Posts: 16
Newbie
Re: Bad sound distortion on stock stereo
«
Reply #3 on:
April 10, 2021, 10:12:24 pm »
Where would the ground for the head unit be located?
I'll try the left right swap and see if the distortion follows it
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1987 R10 5.7L TBI
bd
Global Moderator
Senior Member
Posts: 6627
Re: Bad sound distortion on stock stereo
«
Reply #4 on:
April 10, 2021, 11:18:52 pm »
Quote from: shinkle on April 10, 2021, 10:12:24 pm
Where would the ground for the head unit be located?
If it follows the factory location, the radio grounds to the left kick panel area or the e-brake pedal frame. Switching the left rear and right rear feeds is a good idea.
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Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)
calif phil
Newbie
Posts: 4
Newbie
Re: Bad sound distortion on stock stereo
«
Reply #5 on:
October 16, 2021, 08:38:49 pm »
I sprayed the shafts of my stock ETR radio with Deoxit and it improved the sound immediately. I took the radio out to do it.
Sent from my iPad using Tapatalk
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JohnnyPopper
Senior Member
Posts: 2773
Old Goof
Re: Bad sound distortion on stock stereo
«
Reply #6 on:
October 16, 2021, 09:33:37 pm »
That stuff is phenomenal! D5 for general purposes, F5 made the same but is good on faders.
(funny- spell check doesn't recognize "fader")
Please post what you find!
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1957 Apache 3100 235 Inline 6, 3 on the tree
1973 C-20, 3+3 454 4BBL TH400 Water Injection
1978 K-10, 350 4BBL TH350 NP203 M.M. Part time Kit/Hubs
1980 C-10 under construction
bd
Global Moderator
Senior Member
Posts: 6627
Re: Bad sound distortion on stock stereo
«
Reply #7 on:
October 16, 2021, 11:34:00 pm »
Quote from: JohnnyPopper on October 16, 2021, 09:33:37 pm
(funny- spell check doesn't recognize "fader")
First name "garth," from a galaxy... well, somewhere...
Logged
Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)
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Bad sound distortion on stock stereo