How to test your 7.3 glow plugs through the harness.

[@greggb1416]

Hi Marty, love your channel, very informative. I watched the other 7.3 glow plug relay posted video, and you “verbally” noted, that the test could be done on an OBS 7.3 Can these harness tests be performed on my 1995 7.3powerstroke (first year of the “Powerstroke”)…?