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Service bulletin 98T1930

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id603457
Published by NHTSA1999-02-22
Manufacturer's number98T1930
Manufacturer's date1998-07-01
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

SUBJECT ON THE WIRING HARNESS IMPROVEMENT. *YC

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Wiring and fuses

Vehicles listed
CUMMINS M11
CUMMINS N14

Listing a model year does not mean every vehicle of it is concerned: the document says which.