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Author Topic: Radio Volume Control Fix  (Read 16266 times)

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TopNotch

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Radio Volume Control Fix
« on: August 19, 2015, 09:33:49 pm »
Many of us have replaced the radios in our Fieros with late 90's or early 00's Pontiac (Delco) radios. Sometimes the volume controls on these radios go "crazy". The volume goes up when you try to turn it down, or vice versa, and it can be very annoying.
I figured out a very easy fix for this, which is presented below.
First, carefully remove the face plate of the radio. The face plate actually has the control part of the radio attached to it. Use a flat screw driver blade to pry up the tabs that hold it in place.

Turn the radio bottom side up, and pull the control assembly out a few inches from the rest of the radio. It is attached to the rest of the radio with a flat cable, but there is no need to disconnect it.

The volume knob is removed from the radio in the above picture. You can see the control assembly that the shaft goes to. The volume control is not a conventional potentiometer, but a sequencer switch.
Spray the switch with WD-40 at the place where the black plastic part of it meets the metal part, as in this picture. But don't hold the WD-40 straw at an angle like the picture. Hold it straight up and down.

This close-up shows the place to spray. After you spray, wipe off the excess with a tissue or paper towel. Try turning the volume knob.
The clicks it makes as you turn it should be louder than before you sprayed. If they are, the control is fixed. Re-assemble the radio, and put it back in your car. Enjoy a normal volume control.
The more complex the mind, the greater the need for the simplicity of play.

Fierofool

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Re: Radio Volume Control Fix
« Reply #1 on: August 19, 2015, 10:00:37 pm »
That's a very good tip.  Someone on Pennocks was selling a complete board and controller to replace it. 
There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

scottb

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Re: Radio Volume Control Fix
« Reply #2 on: August 27, 2015, 07:00:28 pm »
That is an excellent tip..... it fixed my radio. Thanks for the information Pat

Fierofool

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Re: Radio Volume Control Fix
« Reply #3 on: August 31, 2015, 07:05:46 pm »
Fixed one of mine, today.  Thank you, Pat. 
There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

GTRS Fiero

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Re: Radio Volume Control Fix
« Reply #4 on: September 05, 2020, 07:44:21 am »
Which car had/has this radio?

TopNotch

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Re: Radio Volume Control Fix
« Reply #5 on: September 05, 2020, 08:32:40 am »
Which car had/has this radio?
Late 90's - early 00's Pontiac. Very popular replacement for Fieros.
The more complex the mind, the greater the need for the simplicity of play.

GTRS Fiero

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Re: Radio Volume Control Fix
« Reply #6 on: September 05, 2020, 08:34:06 am »
Sorry.  I meant which of your Fieros was graced with this upgrade?

Fierofool

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Re: Radio Volume Control Fix
« Reply #7 on: September 05, 2020, 08:34:32 am »
Grand Prix's, Bonnevilles, and such.  Some of the other GM cars of that era like Buick and Chevy had them, too, but they had different color face plates and illumination.  Pontiacs also had PONTIAC and/or MONSOON cast into the face plate just above the display. 
There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

scottb

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Re: Radio Volume Control Fix
« Reply #8 on: September 05, 2020, 08:35:06 am »
   
 late 90's or early 00's Pontiac (Delco) radios.

TopNotch

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Re: Radio Volume Control Fix
« Reply #9 on: September 05, 2020, 12:57:41 pm »
Sorry.  I meant which of your Fieros was graced with this upgrade?
My red SE (don't have it anymore) and my silver Formula (don't have it anymore).
The more complex the mind, the greater the need for the simplicity of play.

GTRS Fiero

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Re: Radio Volume Control Fix
« Reply #10 on: September 05, 2020, 01:33:04 pm »
Based on the date, I figured.  Do you plan to upgrade the radiox in your current Fieros?

Fierofool

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Re: Radio Volume Control Fix
« Reply #11 on: September 05, 2020, 02:34:21 pm »
Sorry.  I meant which of your Fieros was graced with this upgrade?
My red SE (don't have it anymore) and my silver Formula (don't have it anymore).

TopNotch Fiero Sales, LLC.  Best Fiero Deals On The Planet   8)
There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

GTRS Fiero

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Re: Radio Volume Control Fix
« Reply #12 on: September 05, 2020, 02:46:51 pm »
TopNotch Fiero sales has a good sound.

TopNotch

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Re: Radio Volume Control Fix
« Reply #13 on: September 05, 2020, 09:40:35 pm »
Based on the date, I figured.  Do you plan to upgrade the radiox in your current Fieros?
I have aftermarket radios in both of them.
The more complex the mind, the greater the need for the simplicity of play.