WenmarOpen by Wenmar Pro

Service bulletin SIL 669

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 id10130030
Published by NHTSA2018-03-13
Manufacturer's numberSIL 669
Manufacturer's date2017-12-07
NHTSA componentELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM

NHTSA's summary

This service information letter (SIL) notified customers to add a ground wire to the electrical slip ring.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Wiring and fuses

Vehicles listed
ALTEC DIGGER DERRICK2000 to 2016

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