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Viewing Topic: whos good with auto electrics?

#86912
PostSun Jul 13, 2008 12:43 pm
subyea81
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Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
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right, ive finallt got pissed off enough with my old banger head unit, and have a bit of a problem with my new one, it crackles up really easy, even on low volume, easpecially when the bass kicks in, the unit and speakers are in perfect working order, ive cleaned up the loom, nice and neat with good connections, but it still dont wanna play ball! ARGH! argue

ive bin told i need to check resistance on all wires or somin as that may be the problem

only thing is, i aint gotta clue where to start and what to do! Run away would help if i knew how to setup my meter to test resistance Embarassed

can anyone help me?

and no, halfords is not the anwser, as their sparky would charge me a fortune


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#86916
PostSun Jul 13, 2008 3:16 pm
st202
Location:Epworth
Drives:celica st202
Joined:29 Jun 2008
Posts:12

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im no auto electrician but i had simlar problem and it turned out to be bad earth run a separate earth from unit to chassis nearly all audio problems turns out to be an earth issue
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#86918
PostSun Jul 13, 2008 4:40 pm
terry@vivid-audio
Location:Horsham, West Sussex
Drives:Mitsi EVO IV
Joined:01 Jul 2008
Posts:93

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Sounds like an earth fault mate
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#86932
PostSun Jul 13, 2008 6:40 pm
Administrator AdamR
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Location:Brighton
Drives: 1993 Subaru Impreza WRX
Joined:25 Jul 2006
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yep earth tom Smile


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#87045
PostMon Jul 14, 2008 11:34 pm
subyea81
SJC Event Organiser
Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
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good, at least i got a positve (haha) anwser, shall give it a go when i got some time


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#87286
PostFri Jul 18, 2008 6:18 pm
subyea81
SJC Event Organiser
Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
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right, tried an earth, still doing it, im gonna run new speaker wires and of a larger diameter, cause its beeping me off now, nothing just WORKS with these subys, everthing is just beeping awkward! Run away Run away Run away Mad Mad Mad argue argue


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#87288
PostFri Jul 18, 2008 6:37 pm
skylinecol
SJC Member
Location:Brighton
Drives:94 skyline 33 gtst
Joined:30 Jun 2007
Posts:238

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were did ya run the earth wire from and to?
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#87289
PostFri Jul 18, 2008 6:46 pm
subyea81
SJC Event Organiser
Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
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head unit to ignition barrel, which as far as i aware is a good earth


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#87388
PostMon Jul 21, 2008 4:18 pm
terry@vivid-audio
Location:Horsham, West Sussex
Drives:Mitsi EVO IV
Joined:01 Jul 2008
Posts:93

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u want to run the earth wire direct to bare metal, re run a seperate earth wire down to metal. with a ring terminal and screw
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#87389
PostMon Jul 21, 2008 4:30 pm
subyea81
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Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
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would it be better to replace all the speaker wires that i have, and beef them up a bit, as i am jumping up head unit power considerabley! lol, going from 35x4 up to 52x4, maybe the standard speaker wires it has going to my door speakers are just to Ghey ?


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#87390
PostMon Jul 21, 2008 4:34 pm
terry@vivid-audio
Location:Horsham, West Sussex
Drives:Mitsi EVO IV
Joined:01 Jul 2008
Posts:93

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there is no harm in changing the speaker cables mate, i would always suggest it.
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#87391
PostMon Jul 21, 2008 5:12 pm
subyea81
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Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
Posts:606

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[quote="terry@vivid-audio"]there is no harm in changing the speaker cables mate, i would always suggest it.[/quote

ah ok then, would make sense, what would be a good size wire for:

-2x 180 max, 4" speakers
-2x tweaters
-what must be 300 or 400w subwoofer (only a small woofer as i only got a small cab Very Happy )


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#87414
PostTue Jul 22, 2008 3:59 pm
terry@vivid-audio
Location:Horsham, West Sussex
Drives:Mitsi EVO IV
Joined:01 Jul 2008
Posts:93

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for 10cm speakers with 180max watts ya not gonna need massive stuff, the RMS rating is probably roughtly wat the headunit will be kicking out. Nutty
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#87737
PostTue Jul 29, 2008 8:16 pm
subyea81
SJC Event Organiser
Location:Scaynes Hill/h Heath
Drives: 1993 Subaru 1800
Joined:21 Jan 2008
Posts:606

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right, FINALLY got it sorted, me and my mate faffed for about 3 hours tryinh to work it out, turned out to be 2 wires connected a bit weirdly, original head unit works even better, and will almost go full chat! and the new one works well, still a slight bit of confusion on 1 or 2 wires, but that'll be fine, needs some farmer roots kept in the old girl Razz


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#87803
PostFri Aug 01, 2008 6:04 pm
terry@vivid-audio
Location:Horsham, West Sussex
Drives:Mitsi EVO IV
Joined:01 Jul 2008
Posts:93

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what wires are you confused on?
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