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Les
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Registered:
May 2002
Stereo - RCA interference ... filter does not work .. properly Mon, 11 October 2004 08:39 Go to next message
Can someone give me some ideas as to why the fuse keeps blowing on my head deck (yes actual 10A fuse on the deck)

it was running fins this arvo when i put it in, but when i took it out to fix up the interference from the RCA / power wires and tried to start it up again, it had issues .. i.e. fuse keeps blowing..

any ideas ?

[edit]

fuse is all good now ...

new issue - RCA interference .. i.e. the speakers make the car revving sound ... why ?? i got the RCA filter but it cuts out half the output .... Nope

man i am pissed

[Updated on: Tue, 12 October 2004 05:01]

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Lambolica
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 08:45 Go to previous messageGo to next message
Poor wiring....

I had the cars loom repaired because the wires were worn down to the copper from scratching against a metal support.
Shorted the fuse on rough roads.
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 08:47 Go to previous messageGo to next message
fock !

so it was working earlier simply because the wiring was not shorting ey ?
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Lambolica
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 08:49 Go to previous messageGo to next message
Possibly, did you tape up the connections correctly. and check the earth.
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CrUZsida
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 08:51 Go to previous messageGo to next message
If its only started happening after you were playing around, then you have knocked something.

Find it and repair it.
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 08:55 Go to previous messageGo to next message
hmm no more 10A fuses ! shit ! haha

im sure i knocked sumthing ... just dont know what - everything has been taped up religiously JUST in case there is a short, but alas, to no avail
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:07 Go to previous messageGo to next message
is it safe to use a 15A fuse ON THE HEAD DECK ??

if u are not sure say no Smiley =
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CrUZsida
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:13 Go to previous messageGo to next message
Les wrote on Mon, 11 October 2004 17:07

is it safe to use a 15A fuse ON THE HEAD DECK ??

if u are not sure say no Smiley =

NO, it is designed for 10A, and if it blows that, it will blow the 15A.

It should draw less than 10A when running 4 speakers at full ball.

That is what its designed for.

Find the fault, and fix it.

There aren't that many wires.
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:16 Go to previous messageGo to next message
i just want to try it because i have no more 10A fuses ...

will the stereo blow if i use the 15A ?
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CrUZsida
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:20 Go to previous messageGo to next message
If its a short circuit fault, yes.
It will blow that instantly like the 10A

If the fault is just causing excess current (ie 20ish Amps) then it may just melt the fuse.
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:37 Go to previous messageGo to next message
i really dont think my wires are at fault ... they are flawless..

what else can it be ??
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oldcorollas
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:38 Go to previous messageGo to next message
don't mess around with a 15A fuse, just put a 50amp fuse in and fuck the deck completely.. that way you can take it to someone to install the new deck Wink

get a multimeter, check connections, find the fault..

or pay someone to check it for you.
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thechuckster
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 09:40 Go to previous messageGo to next message
les: you have a short somewhere - therefore it will be your wiring or someone elses wiring.
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 10:04 Go to previous messageGo to next message
im just being pig headed !!! heaheahaeh

i will re-run a constant from the battery... that way i KNOW there will be no shorts

cruzida - sorry, i just realised if there is a SHORT, then no matter what fuse u use it will make no difference !!
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nick2b
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 10:07 Go to previous messageGo to next message
Just go to supercheap and buy a packet for 50c or better go to a recker and just tax everyone 10a fuse you can see
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NVD05X
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 12:06 Go to previous messageGo to next message
does it do it when the deck is off or only when its on?

it could be the deck
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:14 Go to previous messageGo to next message
NVD05X wrote on Mon, 11 October 2004 22:06

does it do it when the deck is off or only when its on?

it could be the deck


when it is off ... what could be wrong with the deck if it is the deck ?

it worked fine during the day ..
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sideshow
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:19 Go to previous messageGo to next message
50 amp fuses are hard to find
just use a split pin

they never fail


i have come across fukt head units
unplug the wires to head unit right on back of unit

then see if fuse blows

if it blows as soon as u plug unit back on thenm unit is up shit creek

[Updated on: Mon, 11 October 2004 13:20]

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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:30 Go to previous messageGo to next message
how to fix sideshow ? the unit that is ...

look.. let me run a constant direct from battery ... as opossed to using the one from the loom ...

then if it keeps blowing then yes.. up shiit creek
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sideshow
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:36 Go to previous messageGo to next message
yes the price of head units these days u just throw it in the bin and buy a new one

it might have an internal short which could be anyhting
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oldcorollas
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:37 Go to previous messageGo to next message
Les wrote on Mon, 11 October 2004 23:30

how to fix sideshow ? the unit that is ...

look.. let me run a constant direct from battery ... as opossed to using the one from the loom ...

then if it keeps blowing then yes.. up shiit creek


try connecting it OUTSIDE the car, using a computer power supply or a car battery (not a charger).
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Les
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:38 Go to previous messageGo to next message
sideshow wrote on Mon, 11 October 2004 23:36

yes the price of head units these days u just throw it in the bin and buy a new one

it might have an internal short which could be anyhting


its a 1k head deck
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oldcorollas
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Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 13:56 Go to previous messageGo to next message
Les wrote on Mon, 11 October 2004 23:38

sideshow wrote on Mon, 11 October 2004 23:36

yes the price of head units these days u just throw it in the bin and buy a new one

it might have an internal short which could be anyhting


its a 1k head deck

maybe not anymore.. JUST TEST THE FUCKER OUTSIDE THE CAR WITH A RELIABLE POWER AND GROUND. if the fuse still blows, it's the deck, if it doesn't blow, your wiring is fucked.. simple as that!

stop talkin, start testing.. it's still early Wink
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Mon, 11 October 2004 23:26 Go to previous messageGo to next message
oldcorollas wrote on Mon, 11 October 2004 23:56

Les wrote on Mon, 11 October 2004 23:38

sideshow wrote on Mon, 11 October 2004 23:36

yes the price of head units these days u just throw it in the bin and buy a new one

it might have an internal short which could be anyhting


its a 1k head deck

maybe not anymore.. JUST TEST THE FUCKER OUTSIDE THE CAR WITH A RELIABLE POWER AND GROUND. if the fuse still blows, it's the deck, if it doesn't blow, your wiring is fucked.. simple as that!

stop talkin, start testing.. it's still early Wink


HAHAHAHAHAHHAHAHAHAH ok ok testing it now brother ! heaheheah Very Happy
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 00:25 Go to previous messageGo to next message
ok the fuse does not blow when i do a direct battery test (phew !!)

now let me run direct power from battery and hope for the best ...

i.e. im assuming that acc, ground and remote wires are ok .. will keep y'all posted
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NVD05X
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 00:33 Go to previous messageGo to next message
that seems strange to me. i doubt its the acc if it blows fuses when the deck is off. and unless you connected the earth wire on the deck to illumination it shouldnt be the ground either.

if it is a fault with the car it will blow the fuse closest to the power supply... i.e the one in the fuse box

if its the deck the same rule applies, it will blow the fuse closest to the power supply.. i.e the deck harness, so it would blow the fuse on the deck itself.

if you run a new constant 12v from the battery and it still blows the fuse it has to be the deck.

get it repaired which is usually costly.

[Updated on: Tue, 12 October 2004 00:34]

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RA28
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 01:22 Go to previous messageGo to next message
Unlug everything and start from the basics. hook up the earth to ground and the ACC and B+ lines to a constant B+ if that works Ok then hook up the ACC to your ACC in the car. just keep going until it blows the fuse and you know where you're at.

Tim.
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 01:52 Go to previous messageGo to next message
Thanks fellas. The fuse does not blow anymore using a new constant direct from the battery ... Smile

BUT NOW !!!! When i turn it on, there is a loud crackle in my front speakers which are powered by the amplifier !!

As there is no resistor on my ACC (red) wire ... could this be the cause of the interference when turning on the stereo? (does someone have a pioneer deck and know what resistor should be there ?? My panasonic one has a 1kohm resistor)

Another thing ... the amp is on ALL THE TIME ! i.e. i thought the remote from the head deck is supposed to turn the amp on ONLY when the deck is turned on .... (can someone confirm the blue/white wire from the pioneer deck is the remote wire ??)

fark this i have put in many stereos and have never had a headache - this one has been a killa !! i dont understand !
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Lambolica
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 01:57 Go to previous messageGo to next message
The blue/white is the remote to the amp but it is switch on by the deck when the deck powers up.
If you have run a constant power source from the battery (through red wire)the deck is always on and hence the amp is always on.
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Les
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 02:01 Go to previous messageGo to next message
Lambolica wrote on Tue, 12 October 2004 11:57

The blue/white is the remote to the amp but it is switch on by the deck when the deck powers up.
If you have run a constant power source from the battery (through red wire)the deck is always on and hence the amp is always on.


I have ran direct from battery to YELLOW wire

I have ran ACC power to RED wire

I have ran to the amp the blue/white remote wire

what have i done wrong to dessssssssseeeeeeerrrrrrrvvvvvveeeeeee this ?!?!??! Mad
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Lambolica
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 02:24 Go to previous messageGo to next message
It Kind of sounds like you have a constant power wire touching the remote wire.

Check this in 3 places

1. where the loom plugs into the back of the deck for frayed wires
2. In the loom where you have spliced the constant power and remote power wire.
3. (this one caused me no end of trouble and might be the problem with the fuse blowing) on the AMP check that there isn't a stray wire from the power cable to the amp touching the remote connection. this would keep the amp on as well.
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NVD05X
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 02:55 Go to previous messageGo to next message
even if there is a problem with the remote wire it wouldnt blow the fuse on the deck.
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 02:58 Go to previous messageGo to next message
Lambolica wrote on Tue, 12 October 2004 12:24

It Kind of sounds like you have a constant power wire touching the remote wire.

Check this in 3 places

1. where the loom plugs into the back of the deck for frayed wires
2. In the loom where you have spliced the constant power and remote power wire.
3. (this one caused me no end of trouble and might be the problem with the fuse blowing) on the AMP check that there isn't a stray wire from the power cable to the amp touching the remote connection. this would keep the amp on as well.


guess what - that problem is solved now !!!

instead ... the amp doesn't power up at all !! yes !!! the remote wire ironically does not provide any power at all to the amp now

im just gonna run direct power to the amp, blow it up so i dont have to install the stereo anymore !! fark !

[edit] fuse is fine now bros

[Updated on: Tue, 12 October 2004 03:00]

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NVD05X
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parra
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 03:00 Go to previous messageGo to next message
just hook an acc wire to the remote input on the amp.
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 03:04 Go to previous messageGo to next message
yeh thats what im gonna do re the acc power ...

now i just need to get an rca filter to sort out the rca interference
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 04:59 Go to previous messageGo to next message
I have changed the thread name....

i picked up the RCA filter and it works.. BUT it cuts out half the sound from the headdeck/amp !??!?!

who uses these in their system and can u tell me if im using it right ?? i.e. i put it between head deck and amp on the RCA ! simple !!
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Lambolica
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 05:01 Go to previous messageGo to next message
Can't help here, I've never needed a filter...

What car is this in?

And where are the wires running?
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 05:03 Go to previous messageGo to next message
in an ra65

basically, the power wire runs separate to the rca and speaker wires as i know for a fact that the power wire has ability to cause inteference .. otherwise, all seems ok ... fark pizin me off !
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Lambolica
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 05:10 Go to previous messageGo to next message
What is the interferance? Buzzing, clicking, only happens with lights or indicators going? constant regardless of electrical load?

I'm really only pulling at strings now... there is only 1 way you can plug those things in. If you have put it in near the head unit try it near the amp??
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Les
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May 2002
Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 05:20 Go to previous messageGo to next message
YES !!

the power cable crossed the path of the RCA once !!!! near the back seats !!!

move them apart and there was my problem !!

thanks heaps guys ! u are all champions !
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Lambolica
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Re: Fuse keeps blowing - Stereo ... Tue, 12 October 2004 05:32 Go to previous message
SLAP! Razz
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