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-   -   606 Glow Plug Question? (http://www.peachparts.com/shopforum/showthread.php?t=277203)

Phaze2bb 05-10-2010 04:17 PM

606 Glow Plug Question?
 
Hi! How can you test bad glow plugs? Thanks in advance!

spark3542 05-10-2010 04:48 PM

Put an ohmeter on low range from the post to the body. A couple of ohms indicates good glow plug. Infinite resistance indicates bad glow plug. They are like light bulbs...either they're good or bad...no in between

Phaze2bb 05-10-2010 08:51 PM

Thanks for the info.

TMAllison 05-10-2010 10:05 PM

DieselGiant.com has a pictorial/write up for checking the W123 GP's and relay for the electrically impaired. Is the same principals for ours only the relay is built differently.

Phaze2bb 05-11-2010 02:50 AM

Thanks again!!!

nelbur 05-11-2010 04:29 PM

My last bad glow plug tested at 16 ohms, and I have seen other failed glow plugs with similar resistance. A good plug on the 606 should test at about 1.5 ohms. Not all failure modes give the infinite resistance of an open circuit.


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