How to Test Bad Ground – Video Tutorial

This is a video about bad ground. This video explain how to test the bad ground. The bad ground can cause reduce the light of the lamp.  To test the bad ground is easy just need a couple of jumper wire. The one of the jumper wire is connected to the good ground and the other is connected to the lamp. If the lamp is lighter than before, so the car has a bad ground. Here is the video: