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Old 05-31-2019, 10:46 AM   #1
bsa_bob
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Default My old current testor not good.

Mine has a wire attached ,that you hook up to ground, then touch for"live wires" with the tool part of it.A fellow in my garage" had one. I should have asked; where he got it,it appeared -He just touched wires with JUST the tool part, and didn't use a wire to ground.We got on another subject and I..................................forgot to ask. Would you know anything about this testor?where i might find a good one? thanks bob s

This one i have- is the only one i ever had.
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Old 05-31-2019, 02:28 PM   #2
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Bob, I have a 12v tester that looks like an ice pick with a wire to attach to ground. I also have a "no contact" tester for higher voltage (120/240v) for around the house. No wires attached. I do not think it will detect 12v in a car.
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Old 05-31-2019, 04:07 PM   #3
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Bob, I have a 12v tester that looks like an ice pick with a wire to attach to ground. I also have a "no contact" tester for higher voltage (120/240v) for around the house. No wires attached. I do not think it will detect 12v in a car.
Yours sounds just like mine. thank you davidc==bob s
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Old 05-31-2019, 09:46 PM   #4
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The tester with a ground strap is all you need to do a quick check to see if power is present or not.
If you want to do a bit more and measure what your actually testing then you need to upgrade to a multi-meter as you have more options to perform more tests.
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Old 06-01-2019, 07:52 AM   #5
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I just noticed the other day that they now make voltage test lights with LED's instead of a bulb. Problem is that it will work even with a very very poor positive connection with a high resistance. The current it takes to light the old style lamps is what makes them better than using a volt meter at times. The new ones defeat that purpose. New technology gone bad.
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Old 06-01-2019, 08:31 AM   #6
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Thank you fellas for the good tips -keep what I got! ~~~~~~~ see ya next time bob s
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Old 06-01-2019, 10:17 AM   #7
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One other tip for chasing voltage on 12v systems with a test light....

Grab a few straight pins and simply push into the wire you are checking if there aren't any convenient exposed terminal sand then use the pin as a contact point for your test light....

The higher quality 12v test lights had a very sharp point for this purpose but The straight pin leaves a much smaller hole in the insulation.....

Another tip....

A small 12v bulb with wires soldered to the base and power point can be used in series of a wire to check for any parasitic draw of a 12 volt system.

I always start at the battery terminal for that one.... Radios and clocks draw power so that's the first fuse to pull....
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Old 06-02-2019, 08:17 AM   #8
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One other tip for chasing voltage on 12v systems with a test light....

Grab a few straight pins and simply push into the wire you are checking if there aren't any convenient exposed terminal sand then use the pin as a contact point for your test light....

The higher quality 12v test lights had a very sharp point for this purpose but The straight pin leaves a much smaller hole in the insulation.....

Another tip....

A small 12v bulb with wires soldered to the base and power point can be used in series of a wire to check for any parasitic draw of a 12 volt system.

I always start at the battery terminal for that one.... Radios and clocks draw power so that's the first fuse to pull....
Thank you much abdiver 7777 bob s sounds good
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