[Vwdiesel] Testing glow plugs
LBaird119 at aol.com
LBaird119 at aol.com
Mon Jan 25 12:09:30 PST 2010
I simply use a test light. Clip to battery pos, touch the probe end
to the glow plug end. If it lights, the plug is good. You can check
all 4 in about the time it takes to get a solid reading on an ohmmeter.
:-)
You can get goofy plugs once in a while, where it glows on one
side, part way up only, etc but that takes a visual and I do that
after testing for continuity with the light, if there's a starting issue.
Haven't seen one of those funky ones for 20years though.
Loren
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