• 25.20.1 Basic information58
• 25.20.3 Retrofitting/modification7
• 25.20.5 On-board electrical system, complete1
• 25.20.11 Control unit/module/relay15
• 25.20.12 Sensor/switch/wiring harness10
• 25.20.20 Battery31
• 25.20.30 Alternator38
• 25.20.40 Electrical fuse/diode/resistor6
• 25.20.42 Voltage converter5
• 25.20.50 Socket/ground point/jump-start connection point8