Installing trailer wiring harness without the Z82 option
Chevrolet technical service bulletin 3815 for 2003-2006 Chevrolet Express and 2003-2006 GMC Savana.
- Bulletin number
- 3815
- Component
- Electrical system: wiring
- Summary
- Installing trailer wiring harness without the z82 option. Tt
Owners of these vehicles have filed 21 complaints in the electrical category.
Vehicles covered
- Chevrolet Express 2003-2006 2003200420052006
- GMC Savana 2003-2006 2003200420052006
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