The Ford Barn - View Single Post - Snap-On MT-335 Coil Tester...question

KR500 · 07-27-2013, 03:44 PM

Check Bob C. post. Note the neck of the adjustment knob. It can fall into one of three areas. Red,bad, yellow, weak replace, and green good. Not familiar with the MT 640 designated coil tester.

07-27-2013, 03:44 PM	#22
KR500 Senior Member Join Date: Mar 2012 Location: Addison,ll. Posts: 454	Re: Snap-On MT-335 Coil Tester...question Check Bob C. post. Note the neck of the adjustment knob. It can fall into one of three areas. Red,bad, yellow, weak replace, and green good. Not familiar with the MT 640 designated coil tester.