Or , as it's cold and maybe you like tools to play with , just buy a $19.95 Infra Red Thermometer from Harbor Freight Co. and shoot each glow plug when they're warm , either they'll all be the same temp. (good) or one or more will be cooler (bad and needing replacement)
-Nate
Lawrence Rhodes Wrote :
You must test each glow plug. I measured a used but good plug and it registered .9 ohm. Take off the relay cover & pull the connector out to test or disconnect each one at the plug. Test with a multimeter. If the relay is connected you won't get a good test. All the glow plugs must be good to get the motor to start well. Lawrence Rhodes......
This group provides a forum for owners and operators of diesel powered motorhomes and 5th wheel tractors to discuss mechanical issues, regulatory issues (US, Canada), ownership, insurance, campground accommodations, trip reports/suggestions, and other topics relevant to large RVs and the people who drive them.
[diesel_mercedes] Glow Plug Testing ~ the EASY Way
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