Glow plug test
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
It takes a rather good digital meter to read resistance on glow plugs.
.5 to 1 ohm is almost a dead short.
A cheap meter will show a dead short.
Most times, when the plug fails it will show open, but there is always that 1% that short to ground when the element fails.
.5 to 1 ohm is almost a dead short.
A cheap meter will show a dead short.
Most times, when the plug fails it will show open, but there is always that 1% that short to ground when the element fails.
