What is it
Factory wiring diagrams for Volvo FM and FH trucks (NH12 Version 2). This technical set covers complete vehicle electrical schematics for fast diagnostics, repair and retrofit work. Content includes component diagrams for VECU, lighting via LCM, ABS and EBS, engine interfaces for D9 D12 D13 D16, transmission control for I-Shift and Powertronic, plus power distribution, fuses, relays, ground points and connector maps.
Highlights
Included sections
Who is it for
File format and compatibility
Minimum system requirements
Source and responsibility
Source of Files: All documents in this post are collected from public open sources on the internet. We do not claim to be the original authors or publishers of this manual.
• File Hosting: This forum does not host any files. All download links point to third party public cloud storage services. We are not responsible for the content hosted on external sites.
• User Responsibility: This material is provided for educational and evaluation purposes only. You use it at your own risk. The authors of this post and the forum administration are not liable for any damage to your equipment or data that may result from its use.
Factory wiring diagrams for Volvo FM and FH trucks (NH12 Version 2). This technical set covers complete vehicle electrical schematics for fast diagnostics, repair and retrofit work. Content includes component diagrams for VECU, lighting via LCM, ABS and EBS, engine interfaces for D9 D12 D13 D16, transmission control for I-Shift and Powertronic, plus power distribution, fuses, relays, ground points and connector maps.
Highlights
- Component wiring diagram index with page references for each system
- Detailed schematics for engine, chassis and cab electronics
- Harness illustration index with routing drawings and connector IDs
- Fuses and relays sections for quick fault tracing
- Ground connection charts and complete connector and component lists
- Abbreviations and cable colour code reference for correct signal identification
Included sections
- Example of wiring diagram and symbol key
- Component wiring diagrams and index
- Illustrations and harness layouts
- Fuses and relays
- Ground connections and lists
- List of connectors and components
- Abbreviations and cable colour code
Who is it for
- Workshop technicians and fleet maintenance teams working on Volvo FM and FH
- Electrical engineers performing retrofits or body builder integrations
- Diagnostic specialists who need accurate pinouts and harness routing
File format and compatibility
- PDF manual — opens on Windows, macOS, Linux, iOS and Android with any modern PDF reader
Minimum system requirements
- PDF reader application
- CPU — 1.0 GHz or better
- RAM — 1 GB or more
- Storage — 100 MB free space
Source and responsibility
Source of Files: All documents in this post are collected from public open sources on the internet. We do not claim to be the original authors or publishers of this manual.
• File Hosting: This forum does not host any files. All download links point to third party public cloud storage services. We are not responsible for the content hosted on external sites.
• User Responsibility: This material is provided for educational and evaluation purposes only. You use it at your own risk. The authors of this post and the forum administration are not liable for any damage to your equipment or data that may result from its use.
