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Old 05-29-2002, 07:29 PM
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dtanesq dtanesq is offline
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Join Date: Oct 2000
Location: Northern California/Western Washington
Posts: 386
Don't know if this will help, but I had the same problem with a 1986 300E. Same chassis, I figure the same relay box. Replacing the diode was the fix. On the 300E, the diode is a little guy at the very back of a box of relays aft of the fuse box on the driver's side of the engine compartment. It's right up against the firewall next to the hood hinge, as I recall. The part is inexpensive and easy to replace (if you have small fingers). I dropped my failed one between the relay box and the firewall and never saw it again.
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His:
2003 Dodge Durango SLT
2002 BMW E39 530i Sport
1988 Mercedes 300TE
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2003 Chevrolet Suburban
1999 E430
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