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Volt meter placement in electrical system


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Posted

Okay so where should i attach my new voltmeter? Should i run it straight to the battery? Or will attaching it to my LED wire inside my car give me the same accurate voltage reading? Because they are hooked up straight to my battery

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Posted

lol Hook it to the amp inputs bro :D

Posted

I like to connect it straight to the highest power amp. just so I know exactly what that amp is seeing.

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Posted

i had my old meter connected to my deck. oops

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Posted

How much of a difference does it make to attach it to the amp rather than the battery? Like a couple decimals or a couple volts? That's something Ive been wondering about for a little while.

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Posted

Thanks you guys!!

2007 Volvo S40 2.4i (no turbo :( )(Soon XS Power D2400) Stock battery for nowRockford Fosgate 4 gaugeAudioque 6.5" Mid Bass (front)Rockford Fosgate T1 Tweets (front)Rockford Fosgate T2 6.5" Mids (rear)Rockford Fosgats T600-4 (Mids and highs)Rockford Fosgate P3001Fi SSD 12" with PSI recone, building box<p>400 watts, 139.3 @ 42 hz , in the kick window open. Build log!!http://www.stevemeadedesigns.com/board/topic/159148-2007-volvo-s40-audio-build-start-to-current-comment/

Posted

How much of a difference does it make to attach it to the amp rather than the battery? Like a couple decimals or a couple volts? That's something Ive been wondering about for a little while.

probably just a tenth or a few. unless you had some really small wire or resistance somewhere.

Posted

How much of a difference does it make to attach it to the amp rather than the battery? Like a couple decimals or a couple volts? That's something Ive been wondering about for a little while.

well, if the difference was a couple volts, you are either running 2 electrical systems(a 12v and a 14v system), or you are in deep shit with a bunch of resistance. Usually change is a few tenths on the volt meter, but still, you want it to be as accurate as possible, so put it on the amp.

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