# NHTSA Engineering Analysis EA91017
> **LOSS OF WARNING LIGHTS** · Opened 1991-02-28 · Closed 1991-06-12
## Investigation
- **Action number:** EA91017
- **Type:** Engineering Analysis
- **Open date:** 1991-02-28
- **Close date:** 1991-06-12
- **Manufacturer:** WAYNE ENGINEERING CORPORATION
- **Affected makes:** WAYNE
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1990
- **Affected (make, year) variants:** 2
## Summary

There is no summary currently available

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA91017)
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