Is this possible? - Fiberglass RV

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Old 10-30-2007, 11:47 AM   #1
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I would like to make a cheap voltmeter tester. Buy a cigarette lighter adapter

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and a voltmeter from harbor freight

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Using the 2 leads from the voltmeter, hook them up to the cigarette lighter adapter. Now plug this setup into a cigarette lighter socket and you have a cheap voltmeter gauge to keep an eye on your battery.__________________________WOULD THIS WORK? I have a cigarette lighter socket in the Scamp now.

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Old 10-30-2007, 12:14 PM   #2
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Byron & Anne enjoying the everyday Saturday thing.
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Old 10-30-2007, 12:24 PM   #3
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What's a cigarette lighter???
I do have a receptacle for external appliance use though.
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Old 10-30-2007, 12:24 PM   #4
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Or if all you were interested in is measuring the battery level, you could go buy something like this (It's all they do, and are most likely as accurate as a cheapy DVM)

Stick it in yer socket

for about the same price and none of the labor or battery changing.

Wally World has them for around 12 bucks.

I have one and it is close enough for our needs.
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Old 10-30-2007, 12:40 PM   #5
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$12.00 at Auto Barn

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My First idea would be about $5.00 Total cost. $3.00 for the tester and $2.00 for the plug.
Thanks for the information . I will make one for the scamp.
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Old 10-31-2007, 07:34 AM   #6
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If someone wants to spend more and have a built-in volt and/or amp meter, check out this post on the Casita forum:

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