red test lead
black test lead

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Troubleshooting Simulator Quick Help

It is recommended that first time user watch this Quick Start video to have a better experience with this free online electrical troubleshooting simulator.

electrical circuit
machine running light
machine stopped
fuseBottomScrew fuseTopScrew offBulbLeftScrew offBulbRightScrew onBulbLeftScrew onBulbRightScrew onButtonLeftScrew onButtonRightScrew offButtonRightScrew offButtonLeftScrew relayTopScrew2 relayTopScrew3 relayTopScrew1 lngBottomBtn3 relayBtmScrew4 relayBtmScrew2 relayBtmScrew3 relayBtmScrew1 lngBottomBtn1 lngBottomBtn2 lngTopBtn1 lngTopBtn2 onButton offButton

Keep an eye on this system terminal message area for helpful information.

You are in [Explorer Mode]
Try draging the black lead to ground terminal and the red lead to fuse terminal.
You should see about 120v on meter.

Troubleshooting Skills Simulator
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lighting circuit