• 54.00 General14
• 54.10 Battery, power supply, voltage converter12
• 54.18 Cable harnesses4
• 54.20 Module box6
• 54.21 Control units / basic modules1
• 54.22 Diagnostic test coupling/diagnostic socket9
• 54.25 Switches5
• 54.30 Instrument cluster, display instruments, hazard warning device63
• 54.35 Signaling system4
• 54.61 Speed recorder, trip recorder, taximeter21