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Volt Meter 

 

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 Post subject: Volt Meter
Posted: Sat Mar 03, 2007 11:10 pm 
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Hey guys. Looking to put a Voltmeter in my mustang. Was just woundering, where should the pos + wire be connected to? Directly to the battery? or can i just connect it to a pre existing power wire such as the CD Players Power wire?

Just putting 1 in to monitor the load when i put my new stereo in
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Posted: Sun Mar 04, 2007 12:28 am 
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most are wired to ignition but because it's for monitoring your stereo, wire it to accessories or as you suggested - the radio's accessories power wire.

 

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Posted: Sun Mar 04, 2007 1:18 am 
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normally wired so as when your ignition comes on the battery voltage is shown just ensure that there is no power to it when you turn ignition key of.I bought a unit that had dual supply and i wired the wrong one in and flattened the battery.

 

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Posted: Mon Mar 05, 2007 4:08 pm 
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was just woundering, would the volt guage work if i connected it dirrectly to the battery and installed a switch on it? that way i can turn it off when i dont need to monitor it so it doesnt flaten the battery.

Was just thinking this would be easier than redoing the wiring in the stang.

Any reason why this wont work?
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Posted: Mon Mar 05, 2007 4:38 pm 
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yeh you could do that

 

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Posted: Mon Mar 05, 2007 4:55 pm 
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why don't u run a relay coil off the ignition and the contacts through the battery, that way, it will only come on when the ignition is on.

 

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Posted: Mon Mar 05, 2007 5:20 pm 
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smiley235 wrote:
why don't u run a relay coil off the ignition and the contacts through the battery, that way, it will only come on when the ignition is on.


Because i dont know how, and dont wann F**k around with the ignition =P
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Posted: Mon Mar 05, 2007 5:23 pm 
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hmm, well yes, your switch idea should work well then. Just make sure you put a fuse in the circuit (with a current rating lower than the wire you will use) in case your wiring shorts, the last thing any of us want is a burning mustang. :P

 

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