Fuse and relay box under the dashboard
| No | Function | A |
| F12 | Т1b relay (30-87) for right low beam headlight | 7,5 |
| F13 | T1a relay (30-87) for left low beam headlight – headlight adjuster | 7,5 |
| F31 | T54 relay (86) for headlight washers and T50 – T51 – T52 – T53 – eln motors and controls for electric windows | 5 |
| F32 | T44 relay (30-86) for battery removal with minimum voltage – internal lighting | 7,5 |
| F33 | Ooutswinging door | 15 |
| F34 | Fitter socket | 20 |
| F36 | T20 relay for MODUS car radio – tachograph – convergence – siren – parking sensor | 15 |
| F37 | Instrument panel – stop lights – trailer socket | 7,5 |
| F38 | Central locking | 20 |
| F42 | ABS9 or ESP9 | 5 |
| F43 | T23a relay (86-87) for windscreen washer and T23b relay (86-87) | 20 |
| F47 | T25a relay (86-87) and T25b (86-87) for driver’s side electric window | 25 |
| F48 | T26a relay (86-87) and T26b (86-87) for passenger side electric window | 25 |
| F49 | Control panel – tachograph – exp. module – fitter socket – ASR control – Telma (coil) – video camera – outswinging – rear differential lock | 5 |
| F50 | Airbag | 5 |
| F51 | Green filter – car radio – toe-in – parking sensors -CAF | 5 |
| F53 | Instrument panel – timer for supplementary heater | 5 |
| F89 | AVAILABLE | – |
| F90 | T11a relay (30-86) for left full beam headlight | 7,5 |
| F91 | T11b relay (30-86) for right high beam headlight | 7,5 |
| F92 | T12a relay (30-86) for left foglight | 7,5 |
| F93 | T12b relay (30-86) for right foglight | 7,5 |
| No. | Relays | |
| T01а | Left low beam headlight – headlight adjuster | |
| T01b | Right low beam headlight | |
| Т11а | Left high beam headlight | |
| T11b | Right high beam headlight | |
| Т12а | Left foglight | |
| Т12b | Right foglight | |
| Т23а | Windscreen washer | |
| Т25а | Driver’s side electric window UP | |
| Т25b | Driver’s side electric window DOWN | |
| Т26а | Passenger side electric window UP | |
| Т26b | Passenger side electric window DOWN | |
| Т37а | Rear doors central closing | |
| Т37b | Central closing (common) | |
| Т37с | Side doors central closing | |
| T37d | Rear door central closing | |
| Т44 | Battery removal with minimum voltage | |
Fuse box above the battery
| No | Function | A |
| 1 | +30 positive from F75 for starter motor, alternator and retarder (if present) | 500 |
| 2 | +30 positive from F70 for SCM BUS-BAR | 150 |
| 3 | +30 positive from F73 for pre-heating glow plugs | 60 |
| 4 | +30 positive from F72 for braking node | 40 |
| 5 | +30 positive from F7I for Ist Body Computer power | 80 |
| 6 | +30 positive to F64 in SCM/A for IBS sensor for Stop & Start | – |
Engine compartment relay & fuse box
| No | Function | A |
| F01 | Air suspensions | 40 |
| F02 | Ignition switch | 30 |
| F03 | Cab climate control fans and engine coolant supplementary heater | 40 |
| F04 | Braking system (valves) | 30 |
| F05 | Air suspensions | 40 |
| F06 | SCM 1 /А – SCM 1 /В – SCM2 power supply | 40 |
| F07 | T7 relay (30-87) for power discharge from ignition switch | 40 |
| F08 | T8 relay (30-87) for fuel pump | 15 |
| F09 | Automatic transmission | 30 |
| F11 | T64 relay (30-87) for heated exterior mirrors and heated windscreen | 15 |
| F11 | EDC FI A (primary loads) from MAIN RELAY injectors (CNG) | 15 |
| F14 | Automatic transmission – MAIN RELAY T9 (86) | 10 |
| F15 | T2 relay (30-87) for BOSCH cooling pump | 10 |
| F16 | Cigarette lighter from T7 | 15 |
| F17 | EDC FIC (secondary loads) from MAIN RELAY Smart Drive Unit (CNG) | 10/15 |
| F18 | Rear differential lock | 30 |
| F19 | T6 relay (30-87) for horn | 7,5 |
| F20 | 13 pin socket | 10 |
| F21 | TI4 relay (30) for cylinder solenoid valves (CNG) | 7,5 |
| F22 | EDC F1A and F1C (primary loads) from MAIN RELAY – lambda probe | 20 |
| F22 | Waste gate (CNG) – lambda probes (CNG) | 15 |
| F23 | T19 relay (30-87) for wipers | 30 |
| F24 | Power socket from T7 | 15 |
| F30 | T3 relay (30-87) for side marker lamps | 7,5 |
| F81 | Automatic transmission | 30 |
| F82 | Body computer 2nd power | 70 |
| F83 | T30 relay (30-87) for heating fans inside cab | 40 |
| F84 | Solenoid valve power for the cylinders | 15 |
| F84 | T5 and T14 relays for Baruffaldi coupling | 7,5 |
| F85 | T31 relay (30-87) for fuel filter and sediment filter heater | 25 |
| F87 | EDC – automatic transmission | 7,5 |
| F87 | 5SF – automatic transmission | 7,5 |
| Relay | ||
| T02 | BOSCH cooling pump | 20 |
| T02 | Baruffaldi coupling from trinary (CNG) | 20 |
| Т03 | Side marker lamps | 30 |
| T05 | Ist gear Baruffaldi coupling | 30 |
| T06 | Horn | 20 |
| T07 | Power discharge from ignition switch | 50 |
| T08 | Fuel pump | 20 |
| T09 | MAIN RELAY | 30 |
| T10 | Engine start-up prevention | 30 |
| T14 | 2nd gear Baruffaldi coupling | 20 |
| T14 | Cylinder solenoid valves (CNG) | 20 |
| T17 | Windscreen wiper 1or 2nd speed | 10/20 |
| T19 | Indscreen wiper speed activation | 10/20 |
| T20 | Diagnostics with MODUS | 20 |
| Т30 | Cab heating fans | 50 |
| T31 | Fuel filter heater and sediment filter | 30 |
| SCM1/A | ||
| F60 | Supplementary climate control | 30 |
| F61 | T51 relay (30-87) for air conditioner compressor | 7,5 |
| F62 | T52 relay (30-87) for right heated rear window | 10 |
| F63 | Left heated rear window blow-by – unit heater – T56 relay (86) for compressor | 10 |
| F64 | IBS sensor for Stop & Start | 5 |
| F65 | T7 relay (30-87) for heated seats | 20 |
| Relay |
||
| T49 | Stop & start | 30 |
| T50 | AVAILABLE | – |
| T51 | Compressor activation from climate control | 20 |
| T52 | Heated rear windows | 20 |
| SCM1/B | ||
| F66 | T54 relay (30-87) for headlight washers | 15 |
| F67 | AVAILABLE | – |
| F68 | AVAILABLE | – |
| F69 | Optional 4448 for bus | 5 |
| F77 | AVAILABLE | – |
| F78 | AVAILABLE | – |
| Relay | ||
| T53 | Unit heater | 20 |
| T54 | Headlight washers | 20 |
| T55 | Power Take Off | 10/20 |
| T56 | Stop lights with TELMA retarder activated | 10/20 |
| SCM2 | ||
| T63 | AVAILABLE | – |
| T64 | External heated mirrors – heated windscreen | 20 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.