Provides a Convenient Electrical Ground and Power Source from the Vehicle
- Plug the tool into the cigarette lighter or power accessory receptacle
- You now have a ground and power source on the dash
- The plug light will come on to signal the plug is properly connected and both power and ground are available at the posts
- For power, connect to the positive (+) terminal
- For electrical ground, attach ground wire from the instrument to be grounded to the negative (-) terminal
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