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Service bulletin 331001

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 id45929
Published by NHTSA1996-04-25
Manufacturer's number331001
Manufacturer's date1995-08-01
NHTSA componentELECTRICAL SYSTEM:STARTER ASSEMBLY

NHTSA's summary

WHEN THE CRANKING MOTOR DOES NOT ENGAGE TO CRANK THE ENGINE AND THERE IS NO CLICKING SOUND FROM THE CRANKING MOTOR SOLENOID WHEN THE START SWITCH IS ENGAGED CHECK THE IMS AND CONTROL CIRCUIT. USE THE FOLLOWING STEPS INTHE ORDER SHOWN TO TO ASSURE A COMPLETE CHECK. THE DELCO 42-MT HEAVY DUTY CRANKING MOTOR IS NOW EQUIPPED WITH AN INTEGRAL MAGNETIC SWITCH (IMS) THAT ELIMINATES THE NEED FOR A SEPARATE STARTER RELAY IN THE CRANKING CONTROL CIRCUIT. SHOULD THE CRANKING MOTOR FAIL TO OPERATE, FOLLOW THIS PROCEDURE TO DETERMINE THE CAUSE OF THE PROBLEM.*SD

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, Starter

Vehicles listed
WHITE GMC WHITE GMC

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