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Old 03-23-2009, 12:01 PM
bio350 bio350 is offline
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Join Date: Dec 2008
Location: shingle springs, ca
Posts: 100
Okay, I just determined what relay this is that continues to rapid fire "tick" even with the key out of the ignition.
It is the "diesel engine shutoff relay". Apparently it is only used in this model and year. I don't think it is bad, something is causing it to open and close rapidly.

Any suggestions/wisdom?
1987 350SDL Parts Car
1987 350SDL #2 Sons Car
1991 350SD My Car-RIP 9/7/09
1992 300SD Her Car
1995 E300 Spare Car-RIP 4/23/09
1992 S320 My Car - Soon to be diesel
1990 W250 4x4 Cummins #1 Son's Truck
1993 D350 Cummins My Truck
1999 3500 Cummins Just Another Truck
1987 Executive Cat 3208 Family Wagon

"Growing up is a choice. Growing old is a privilege"
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