Ch 6 page 16 ELECTRICAL SYSTEM Components Front wagon Figure 23 SHOP MANUAL BRAKE CIRCUIT 1 21 ? 20 4 SUSP 19 18 17 16 14 15 12 2 3 4 5 6 TRANS 11 7 SUSP SUSP / FRAME 8 9 13 Position Item Position Item 1 Marking light 12 Main light 2 Sensor (Cooling brake tank) 13 Direction light 3 Sensor (Hydraulic tank) 14 Direction light 4 Temperature sensor 15 Main light 5 Marking light 16 Horn 6 Batteries 17 Horn 7 Ultrasonic level sensor 18 Temperature sensor 8 Control unit front frame 19 Control unit wheel arm 9 Control unit wheel arm 20 Pressure sensor 10 Webasto 21 Sensor (Fuel tank) 11 Control module