Radio fuse keeps blowing.......now what?

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Old 04 Nov 2008, 06:39 pm   #1 (permalink)
O
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Default Radio fuse keeps blowing.......now what?

I have a '99 Avalon, yes, I know this is the Camry group, but doggone it,
they are nearly twins. Anyway, I stoped at the post office for 5 minutes.
When I came back out and restarted the car - the radio was dead, as was the
clock and the driver's remote mirror.

I checked the fuse and it was blown. Hoping for a miracle, I put a new fuse
in, restarted, and bingo - blown.

Even though the car is 10+ years old, it only has 63,000 miles. And I just
put brand new tires on it today.

Is this "owner fixable", or in need of $75 hr. trial-and-error hunting at
the dealership? I've tried to talk my wife into singing to herself in the
car, but the remote mirror and clock make the whole thing a deal-breaker if
I can't get it fixed.

Somebody help, she's looking at new cars!


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Old 05 Nov 2008, 07:09 am   #2 (permalink)
ransley
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Default Re: Radio fuse keeps blowing.......now what?

On Nov 4, 6:39*pm, "O" <bg...@sbcglobal.net> wrote:
> I have a '99 Avalon, yes, I know this is the Camry group, but doggone it,
> they are nearly twins. *Anyway, I stoped at the post office for 5 minutes.
> When I came back out and restarted the car - the radio was dead, as was the
> clock and the driver's remote mirror.
>
> I checked the fuse and it was blown. *Hoping for a miracle, I put a newfuse
> in, restarted, and bingo - blown.
>
> Even though the car is 10+ years old, it only has 63,000 miles. *And I just
> put brand new tires on it today.
>
> Is this "owner fixable", or in need of $75 hr. trial-and-error hunting at
> the dealership? *I've tried to talk my wife into singing to herself in the
> car, but the remote mirror and clock make the whole thing a deal-breaker if
> I can't get it fixed.
>
> Somebody help, she's looking at new cars!


Dealers here overcharge several times over, but its likely a short
somewhere, Turn radio off to see if its the radio.
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Old 05 Nov 2008, 12:32 pm   #3 (permalink)
Daniel
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Default Re: Radio fuse keeps blowing.......now what?

O wrote:
> I have a '99 Avalon, yes, I know this is the Camry group, but doggone it,
> they are nearly twins. Anyway, I stoped at the post office for 5 minutes.
> When I came back out and restarted the car - the radio was dead, as was the
> clock and the driver's remote mirror.
>
> I checked the fuse and it was blown. Hoping for a miracle, I put a new fuse
> in, restarted, and bingo - blown.

=============
First, check the owner's manual to see if there are any other devices
on that fuse circuit.
Then you simply need to disable each accessory to discover where you
have a short causing the fuse to go.
From what you've said so far, my guess would be the remote mirror -
just a guess really, moving parts, motor that potentially could short
more easily in my mind than the electronics in the radio or clock.
Of course could be the wiring to the device.
On the Camry (my '94 anyway) the wiring is like a work of art:
meticulous attention to detail throughout, but could be something
damaged somewhere under the dash - so a visual check with a flashlight
would be in order - same under the hood. If you park outside, not
unheard of for small animals to cause wiring damage. Begin with a
careful visual inspection, light in hand.
During the period where I kept replacing Toyota radio and CD deck
combination units, prior to going to Alpine with MP3 (great unit) I
one time put the CD player on top of the radio thinking more readily
accessible there -- inadvertently blocked the ventilation holes on top
of the radio, which I discovered one afternoon when actual smoke began
wafting out of the radio -- this all happened before the fuse blew.
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Old 05 Nov 2008, 09:01 pm   #4 (permalink)
O
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Default Re: Radio fuse keeps blowing.......now what?


"Daniel" <nospampls2002@yahoo.com> wrote in message
news:9de3654c-7a86-44c7-8e62-61944a5d000f@t39g2000prh.googlegroups.com...
>O wrote:
>> I have a '99 Avalon, yes, I know this is the Camry group, but doggone it,
>> they are nearly twins. Anyway, I stoped at the post office for 5
>> minutes.
>> When I came back out and restarted the car - the radio was dead, as was
>> the
>> clock and the driver's remote mirror.
>>
>> I checked the fuse and it was blown. Hoping for a miracle, I put a new
>> fuse
>> in, restarted, and bingo - blown.

> =============
> First, check the owner's manual to see if there are any other devices
> on that fuse circuit.
> Then you simply need to disable each accessory to discover where you
> have a short causing the fuse to go.
> From what you've said so far, my guess would be the remote mirror -
> just a guess really, moving parts, motor that potentially could short
> more easily in my mind than the electronics in the radio or clock.
> Of course could be the wiring to the device.
> On the Camry (my '94 anyway) the wiring is like a work of art:
> meticulous attention to detail throughout, but could be something
> damaged somewhere under the dash - so a visual check with a flashlight
> would be in order - same under the hood. If you park outside, not
> unheard of for small animals to cause wiring damage. Begin with a
> careful visual inspection, light in hand.
> During the period where I kept replacing Toyota radio and CD deck
> combination units, prior to going to Alpine with MP3 (great unit) I
> one time put the CD player on top of the radio thinking more readily
> accessible there -- inadvertently blocked the ventilation holes on top
> of the radio, which I discovered one afternoon when actual smoke began
> wafting out of the radio -- this all happened before the fuse blew.


Well, I discounted the remote-control mirrors. I wasn't using them, so there
should not have been any electricity getting past the switch to the motors.
The clock uses so little juice, I figure it's safe. BUT - the radio had
been left on when the car was stopped, and was then drawing juice when the
ignition was turned on....so? But now I have no idea if it is turned on or
off since I tried the on/off button several times. Toyota, in their
infinite wisdom, made the on/off control a push button. Without juice to
light up the dial, no easy way to know if it is on or off since the knob
returns to the same position after you punch it on or off.

I suppose it's time to crawl up under the dash....and I'm getting too old
for this gymnastic exercise.

Thanks for the advice.

Jay


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Old 06 Nov 2008, 06:24 pm   #5 (permalink)
mrdarrett@gmail.com
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Default Re: Radio fuse keeps blowing.......now what?

On Nov 5, 10:32 am, Daniel <nospampls2...@yahoo.com> wrote:
> O wrote:
> > I have a '99 Avalon, yes, I know this is the Camry group, but doggone it,
> > they are nearly twins. Anyway, I stoped at the post office for 5 minutes.
> > When I came back out and restarted the car - the radio was dead, as was the
> > clock and the driver's remote mirror.

>
> > I checked the fuse and it was blown. Hoping for a miracle, I put a new fuse
> > in, restarted, and bingo - blown.

>
> =============


....

> During the period where I kept replacing Toyota radio and CD deck
> combination units, prior to going to Alpine with MP3 (great unit) I
> one time put the CD player on top of the radio thinking more readily
> accessible there -- inadvertently blocked the ventilation holes on top
> of the radio, which I discovered one afternoon when actual smoke began
> wafting out of the radio -- this all happened before the fuse blew.



electronics joke: A transistor [inside your radio] protected by a
fast-acting fuse will protect the fuse by blowing first.

Michael
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