WenmarOpen by Wenmar Pro

Service bulletin 511886

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 id11013228
Published by NHTSA2025-01-29
Manufacturer's number511886
Manufacturer's date2025-01-29
Campaign id or software version511886
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

If the 12V disconnect is not turned off, and battery is not installed, the energy from the solar panel may allow an energy spike where certain 12V components such as the air conditioner brain(s), slide motor(s) or other 12V electrical component(s) are connected, and may cause a to nuisance fail.

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

Vehicles listed
FOREST RIVER CHEROKEE2025
FOREST RIVER SABRE2024

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

Other bulletins for the same vehicles and component
5119062025-03-19. Service bulletin. Generic drawing of a 87A relay wiring diagram for holding tank warmers.