DIY How to Test Jeep PCM Wrangler,Tj,Cherokee,XJ
Get the Power Probe 4 here https://amzn.to/2MaHlzg
Canadians can get the Power Probe 4 here https://amzn.to/2DaVCJi
todays video is testing the PCM in a Jeep TJ for Power, 5v power and grounds. This is best done with using the Power Probe 4 or a meter will work as well. If your having trouble with a no start, erratic running, mystery issue always check out the computer to see.
