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Old 11-05-2015, 04:11 PM
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2008 Diesel 3L GC Glow Plug Module specs

I recently changed out my glow plug module with a Dorman 904-310 which shows a compatible with the Jeep P/N 68013182AA, 68013182AB, 68013182AC. Dorman tells me the output voltage on their part is 5 volts. My Bosch 80050 glow plugs are 4 volt and they all died after about a month of use.
According to a local Mercedes specialist Jeeps have lower voltage glow plugs than Sprinters and Mercedes with the 3.0L engines of the same vintage which are reportedly in the 7 volt range. It would seem to make sense that if a higher output voltage module was used with a lower input glow plug, the glow plugs would burn out eventually. On the other hand, if a lower output module was used with a higher input voltage glow plug, the consequence would be slower warming. I am not sure however, that 1 volt over the glow plugs rating would cause failure of all the plugs at once.
Plan A is to replace all my glow plugs with higher rated plugs. Plan B is to the module with Mopar 68013182AC and the 80050 steel glow plugs.
Does anyone know the output voltage of the 68013182AC?
Suggestions? as to other causes and remedies?

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Old 11-05-2015, 04:30 PM
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Re: 2008 Diesel 3L GC Glow Plug Module specs

Can you get the Merc plugs? Sounds weird that they would be so different. MOPAR back ups shouldn't fail but it should be a Daimler-Benz engine make. In the 2011 all my drive train minus the engine plus the 4WD components all are DB. Best of luck. Back when diesels were totally immasculated.
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