2.9 Dakota Digital HDX Gauge System¶
Overview¶
Complete digital instrumentation system replacing factory TJ gauge cluster. HDX control module processes sensor inputs and BIM module data to drive analog/digital hybrid dashboard display.
Power: PMU OUT9 (25A capacity, ~25A worst-case, ~12A typical)
Mounting: Dashboard cluster in factory location, HDX control + BIM modules on HDPE firewall panel
System Components¶
Core:
- HDX Control Module - Main control box with Bluetooth configuration
- Dashboard Cluster - HDX-96J-TJ analog/digital display (black background)
Expansion Modules:
- BIM-01-2-J1939 - J1939 CAN interface for ECM data
- GPS-50-2 - GPS speedometer/compass/altimeter
- BIM-22-3 - Tire pressure monitoring (4× wireless sensors)
- BIM-17-2 - Compass/outside temperature
Related Documentation¶
- PMU Outputs - Power source (OUT9, 25A)
- Grounding Architecture - Ground connections
- Firewall Ingress - Wire routing
- Cummins R2.8 ECM - J1939 integration