Volt Meter
Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=49780
Printed Date: April 24, 2024 at 10:02 AM
Topic: Volt Meter
Posted By: samsdodgybloke
Subject: Volt Meter
Date Posted: February 10, 2005 at 7:30 AM
I have just purchased second hand volt meter and ampere meter gauges, can someone pls help me as I have no idea how to wire them in! LOL
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Replies:
Posted By: Teken
Date Posted: February 11, 2005 at 8:08 PM
The voltage guage simply needs to be wired in parallel to the (a) power source, this can be from the fuse block, or directly to the battery.
If the guage has a back light, then you will need to wire it to a switched 12 VDC source. The other end obviously needs to be connected to a clean paint free and solid chassis ground, using a star washer and dielectric grease compond.
The amperage / current meter must be wired in series to the power source. Correct polarity must be observed if using a pin / sweeping dial guage.
Otherwise, the guage will be permently damaged.
Both of the guage should be fused within 18" of the power source.
Regards
EVIL Teken . . .
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Knowledge is power. But only if you apply that knowledge in a positive way, which promotes positive results in others.
EVIL Teken . . .
Posted By: samsdodgybloke
Date Posted: February 12, 2005 at 2:55 AM
Really can't suss the amp gauge thing...got volt meter going ok. Thanks for your help
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Posted By: overworked
Date Posted: February 12, 2005 at 8:56 PM
amp meter....cut supply cable to whatever you want to measure and stick one end on one teminal of ammeter and other cable to the other termianl.... <~~~~Layman terms
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Posted By: hampeh
Date Posted: February 12, 2005 at 11:55 PM
may i know....
what for amp meter for car....
voltmeter to know the voltage of battery and charging system....
ampere meter?
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Posted By: overworked
Date Posted: February 13, 2005 at 8:35 AM
ampere meter....used to see how Current"power" is being rawn out of the battery, different to volts...very imortant and often forgotten
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Posted By: hampeh
Date Posted: February 13, 2005 at 6:04 PM
any example....
volt meter vs amp meter....
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Posted By: overworked
Date Posted: February 13, 2005 at 7:04 PM
Try here mate, it woul take me forever to explain,
https://www.the12volt.com/ohm/ohmslaw.asp
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Posted By: samsdodgybloke
Date Posted: February 14, 2005 at 3:35 AM
This is a TIM amp gauge, is it that simple? Run a wire from battery to gauge, other terminal to where?
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