• 25.20.1 Basic information45
• 25.20.3 Retrofitting/modification2
• 25.20.5 On-board electrical system, complete1
• 25.20.11 Control unit/module/relay10
• 25.20.12 Sensor/switch/wiring harness5
• 25.20.20 Battery22
• 25.20.30 Alternator27
• 25.20.40 Electrical fuse/diode/resistor3
• 25.20.50 Socket/ground point/jump-start connection point7