D Group 37 Wiring diagram FL Component wiring diagram index Component wiring diagram index AA Power supply, starting system, UADR ............................................................................ page 8 AB Power distribution, UADR ............................................................................................... page 9 AC Power supply, starting system, ADR ............................................................................... page 10 AE Power distribution, ADR ..................................................................................................
page 11 AG Accessories power supply .............................................................................................. page 12 AH Power supply, kl.15, relay K10 ........................................................................................ page 13 AI Power supply, kl.15, relay K21 ........................................................................................ page 14 AJ Power supply, kl.15, relay K27 ........................................................................................ page 15 BA Vehicle ECU ....................................................................................................................
page 16 BA1 Vehicle ECU .................................................................................................................... page 17 BK Instrument cluster .......................................................................................................... page 18 BM Tachograph ..................................................................................................................... page 19 BT Fleet management system Gateway (FMS) ................................................................... page 20 CU1 Engine ECU (B connector) .............................................................................................
page 21 CU2 Engine ECU (A connector) ............................................................................................. page 22 CU3 Engine air preheater, fuel heater .................................................................................... page 23 CU4 Engine ECU NOXCARE system ..................................................................................... page 24 DC Single H (ZTO1109) ........................................................................................................ page 25 DO Gear box (ATO1056) .......................................................................................................
page 26 DQ Power take off ................................................................................................................. page 27 DQ1 Automatic transmission (AL306) ..................................................................................... page 28 DU Differential lock ............................................................................................................... page 29 EM1 EBS ECU, connector X1/X2 ........................................................................................... page 30 EM2 EBS ECU, connector X3/X4 ...........................................................................................
page 31 EN1 EBS modulators .............................................................................................................. page 32 FA Air-suspension, TRACTOR 4x2 FSS-LEAF SUSPL-E1/SUSPL-E3 ............................... page 33 FA1 Air-suspension, 4x2 GVW14000/GVW16000 ................................................................. page 34 FA2 Air-suspension, 4x2 GVW18000 .................................................................................... page 35 FC Air power management ...................................................................................................
page 36 GA1 Parking lights, Relay K31/K37 ........................................................................................ page 37 GA2 Parking lights, Relay K34 ................................................................................................ page 38 GB1 Low beam/high beam headlights control ........................................................................ page 39 GB2 Fog lights control, extra high beam headlights control ................................................... page 40 GC1 Headlight lamps ..............................................................................................................
page 41 GC2 Side lights and beacon warning lights ............................................................................ page 42 GC3 Rear lamps ..................................................................................................................... page 43 6