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31st July 2008, 19:49
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#61
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Frequent Poster
Join Date: Feb 2008
Location: London
Posts: 613
Car(s): Saxo Vts
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Make sure then when you take the amp to be tested in the shop they use a common ground for the amp and headunit.
If there is a voltage present on the RCA ground, at some point it will need to be connected to its relevant source ground for current to flow (as in your possible short circuit situation).
Having a seperate ground for the hu leaves no return path for the current, hence no short. However it could be possible for the current to flow back through the other RCA ground if they're common.
Did you try putting you're multimeter between the RCA ground and the power ground (with RCAs disconnected) to check for a voltage?
Good luck, Stu.
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31st July 2008, 22:23
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#62
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Regular Poster
Join Date: Sep 2007
Location: Glossop, Derbyshire
Posts: 274
Car(s): Renault Clio 200 Cup
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Quote:
Originally Posted by McBain
Make sure then when you take the amp to be tested in the shop they use a common ground for the amp and headunit.
If there is a voltage present on the RCA ground, at some point it will need to be connected to its relevant source ground for current to flow (as in your possible short circuit situation).
Having a seperate ground for the hu leaves no return path for the current, hence no short. However it could be possible for the current to flow back through the other RCA ground if they're common.
Did you try putting you're multimeter between the RCA ground and the power ground (with RCAs disconnected) to check for a voltage?
Good luck, Stu.
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I didn't get chance before I took it back to the shop and got a WORKING replacement!
WOO!!
I believe that was the issue thou.
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31st July 2008, 22:24
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#63
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Regular Poster
Join Date: Sep 2007
Location: Glossop, Derbyshire
Posts: 274
Car(s): Renault Clio 200 Cup
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I would like to say a huge thanks to everybody that has helped me over the past few days!
Rep's all round 
Now for the next problem lol!
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Last edited by Oroblram; 31st July 2008 at 22:31.
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1st August 2008, 01:59
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#64
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Saxperience Forum Bum
Join Date: Mar 2007
Location: Maidstone, Kent
Posts: 4,121
Car(s): Mk2 Posi Blue 1.1
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told ya the amp was FUBAR 
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1st August 2008, 05:19
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#65
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Frequent Poster
Join Date: Feb 2008
Location: London
Posts: 613
Car(s): Saxo Vts
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Cool and the gang 
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1st August 2008, 10:10
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#66
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Saxperience Post Whore
Join Date: Aug 2007
Location: Coventry
Posts: 5,182
Car(s): Lupo GTI
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Good good!
You ought to sew vibe for all you're time, effort and RCA leads! Lol
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1st August 2008, 12:41
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#67
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Regular Poster
Join Date: Sep 2007
Location: Glossop, Derbyshire
Posts: 274
Car(s): Renault Clio 200 Cup
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Quote:
Originally Posted by Coonper
Good good!
You ought to sew vibe for all you're time, effort and RCA leads! Lol
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I'm just glad I have a working sub now
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