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12v test connection

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Old Oct 13, 2022 | 11:45 PM
  #1  
JimmyRoach's Avatar
JimmyRoach
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Mountain Pass
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12v test connection

I am always needing to connect something to 12 volt to test if the unit still work so I made this tester that has a on/ off switch and a momentary switch also to only give me 12 volt when I hold the switch down. I can not remember where the switch came from.

if the device under test has bare wires they can be connected to the bananas plugs while the tester connect to the battery by the small clamps


12 volt tester with power indicator LED that the unit is connected

before wiring the switch, banana plugs, and the clamps together
 
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Old Oct 14, 2022 | 11:25 AM
  #2  
kbeefy's Avatar
kbeefy
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From: Eastern Washington
It's like a power probe zero.
The banana plugs are a nice touch.

I usually just grab a 12v cordless tool battery and a couple jumpers.
 
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