Volvo FL Fuse and Relay Diagram
This page contains a detailed manual on the fuse and relay diagrams for Volvo FL trucks. The manual covers the location, designation and function of all the main fuses and relays, including their correspondence to the electrical circuits and components of the vehicle. It is an ideal reference for diagnosing electrical faults, carrying out repairs and maintenance.
- D6A / D6B / D6C – 5.5L and 7.2L diesel engines
- D7C / D7E / D7F / D7G – 6.7L and 7.2L diesel engines
- D8K / D8H / D8C – modern 7.7L Euro 6 engines
- D9A – was installed on FL10 and FL12
- D6K / D6H – compact versions for light configurations FL240
Fuses
F1 – LCM, instrument cluster, parking heater, radio, alarm, central locking (battery box) – (AA:0 C) 10 A
F1 – LCM, instrument cluster, radio, central locking (battery box) – (AE:3A)
F1_S – LCM, instrument cluster, parking heater, radio, alarm, central locking (battery box) – (AA:0 C)
F2 – Right rear window lift (pos. 42) – (AG:3 C)
F3 – Cab tilt (pos. 74) – (AH:2 C) 10 A
F4 – Instrument cluster (pos. 20) – (BK:3 A)
F5 – Motor headlamp washer pump (pos. 35) – (GM:0 B)
F6 – Instrument cluster (pos. 29) – (AA:1 B / AE:4 B) 5 A
F7 – Vehicle ECU, tachograph (pos. 18) – (BA:1 B)
F8 – Instrument cluster, immobilizer, APM, alarm, central locking (pos. 79) – (AI:1 C)
F9 – BBM (pos. 19) – (ND:2 B)
F10 – Climate unit, cab control temp (pos. 76) – (HY:0 B)
F11 – Not used (pos. 4) – (AI:1 C)
F12 – Automatic transmission (pos. 47) – (DQ:1 0 A)
F13 – Windscreen wiper (pos. 38) – (AI:0 C)
F14 – Cigarette lighter (pos. 45) – (IA:3 B)
F15 – Diagnostic plug (pos. 70) – (GF:1 2 B)
F16 – Differential lock, power take off (pos. 1) – (AJ:3 C)
F17 – Headlights, right front (pos. 37) – (GB:1 C)
F18 – Horn (pos. 14) – (GQ:1 2 A)
F19 – Climate unit (pos. 51) – (HY:2 B)
F20 – Central locking, alarm, radio (pos. 54) – (AA:1 B / AE:4 B)
F21 – Trailer connection, EBS (pos. 58) – (GF:1 A)
F22 – Interior lamps (pos. 48) – (GH1:0 A / GH2:1 A)
F23 – Air suspension (pos. 2) – (AJ:2 C)
F24 – Fuel heater (pos. 26) – (AJ:1 C)
F25 – Chassis lighting, machine control (pos. 10) – (NB:4 A)
F26 – Body builder (pos. 80) – (AI:4 C)
F27 – Windows lift (pos. 66) – (AG:1 C)
F28 – EBS (pos. 49) – (EM1:3 A)
F29 – FMS Gateway, gear selector ECU (pos. 75) – (AH:4 C)
F30 – LCM (pos. 17) – (GQ:1 B)
F31 – Cab heater (pos. 57) – (HU:1 A / HJ1:2 A / HY:3 B)
F32 – Customer gloves box (Body builder) (pos. 60) – (GA2:4 B)
F33 – Not used (pos. 72) – (KA:2 B)
F34 – FMS Gateway (pos. 73) – (BT:1 B)
F35 – Not used (pos. 41) – (AG:4 C)
F36 – Hazard warning light, LCM (pos. 30) – (GQ:2 B)
F37 – Radio, voltage converter (pos. 63) – (AG:2 C)
F38 – Interior light, instep light (pos. 24) – (GH3:1 A)
F39 – Electrically adjustable rearview mirrors (pos. 3) – (IF:1 0 A)
F40 – EMS 1 (pos. 44) – (CU:1 0 A)
F41 – EMS 2, single H (pos. 43) – (CU:1 0 A)
F42 – Engine preheating relay (pos. 46) – (CU3:1 B)
F43 – 24V customer plug (pos. 34) – (IR:4 A)
F44 – Beacon warning light (pos. 61) – (GC2:4 A)
F47 – APM (pos. 68) – (EM1:3 B)
F48 – EBS (pos. 50) – (AH:1 C)
F49 – Air suspension (pos. 16) – (FA:4 A / FA1:4 A / FA2:3 A)
F52 – Key switch, immobilizer (pos. 11) – (AB:0 A / AE:0 A)
F54 – FMS connector (pos. 71) – (BT:2 A)
F58 – ADR/TRS, D+ short circuit relay (pos. 6) – (ND:3 B)
F59 – FMS, reverse lighting (pos. 5) – (AM:2 B)
F61 – Voltage converter DC/DC 24/12 (pos. 40) – (AG:0 C)
F63 – Not used (pos. 65) – (–)
F64 – Trailer connection (pos. 28) – (AJ:0 C)
F66 – Sun roof or left rear window lift (pos. 64) – (AG:3 C)
F67 – Automatic transmission (pos. 25) – (IR:3 A)
F70 – Trailer EBS (pos. 81) – (–)
F71 – Body builder connector on cab (pos. 39) – (AI:4 C)
F72 – Headlights, left front, instrument cluster (pos. 36) – (GB1:2 C)
F75 – El. heated seat, buzzer belt, BBM connector (pos. 32) – (AB:4 C/AE:4 D)
F76 – Horameter (pos. 8) – (AB:3 C/AE:3 D)
F77 – Body builder connector (pos. 69) – (NA:1 A)
F89 – Tachograph (battery box) – (BM:1 A)
F89_ADR – Tachograph, ADR (battery box) – (BM:2 A)
F89_S – Tachograph, sweeper (battery box) – (BM:1 A)
F90 – Stalk switch (pos. 12) – (GA1:3 A)
F91 – Parking light, left rear lights (pos. 56) – (GA1:0 C)
F92 – Parking light, right rear lights (pos. 55) – (GA1:1 C)
F93 – Parking lighting trailer/body builder connector (pos. 52) – (GA1:3 C)
F94 – Parking lighting trailer/body builder connector (pos. 53) – (GA1:3 C)
F96 – Parking light, dashboard lights (pos. 9) – (GA2:1 B)
F97 – Parking light, customer gloves boxes (pos. 7) – (GA2:4 B)
F100 – Front fog lights, high beam (pos. 21) – (GB2:0 A)
F101 – Rear fog lights (pos. 15) – (GB2:2 C)
F102 – Horn (pos. 62) – (GQ1:1 C)
F103 – Reverse lights (pos. 33) – (GD1:2 A)
F104 – Brake lights (pos. 13) – (GD:3 C)
F105 – Not used (pos. 31) – (AA:2 B/AE:2 B)
F106 – Not used (pos. 27) – (AJ:0 C)
F107 – EMS Euro4 (pos. 59) – (CU1:0 A)
F108 – Parking heater/Free (pos. 82) – (AA:1 B/AE:3 B)
F109 – NDS Euro4 (battery box) – (CU4:2 B)
F109_S – NDS Euro4, Sweeper (battery box) – (CU4:2 B)
FM5 – Fuse group (battery box) – (AA:3 B/AC:3 C)
Relays
K1 – Relay, starting switch, accessories (pos. 21) – (AG:0 B)
K2 – Relay, EMS (Engine Management System), tachograph (pos. 20) – (BA:1 A)
K7 – Relay, intermittent wiper (pos. 15) – (GM:2 C)
K10 – Relay, power supply kl.15 (pos. 1) – (AH:0 A)
K11 – Relay, air suspension (pos. 19) – (FA:4 B/FA1:4 B/FA2:3 B)
K13 – Relay, alternator controlled (pos. 5) – (AB:3 D/AE:2 D)
K14 – Relay, windscreen heater – (IF:1.4 B)
K15 – Relay, park break trigger (pos. 11) – (KA:1 C)
K16 – Relay, body builder machine on – (NB:3 C)
K21 – Relay, power supply kl.15 (pos. 2) – (AI:0 B)
K24 – Relay, automatic transmission (pos. 16) – (DQ1:1 B)
K27 – Relay, power supply kl.15 (pos. 3) – (AJ:0 B)
K29 – Relay, accessories (pos. 22) – (AG:3 B)
K30 – Relay, beacon warning light (pos. 443) – (GC2:3 C)
K31 – Relay, parking lighting trailer/body builder connector (pos. 6) – (GA1:4 C)
K33 – Relay, high beam headlight (pos. 9) – (GB1:3 C)
K34 – Relay, interior parking lights (pos. 7) – (GA2:1 B)
K37 – Relay, parking light (pos. 12) – (GA1:2 C)
K39 – Relay, alternator shut down (pos. 10) – (AE:1 D)
K40 – Relay, heated adjustable mirror (pos. 4) – (IF1:2 B)
K41 – Relay, reverse light (pos. 8) – (GD:1 B)
K42 – Relay, brake light (pos. 13) – (GD:3 B)
K45 – Relay, front fog light (pos. 23) – (GB2:1 B)
K46 – Relay, rear fog light (pos. 18) – (GB2:3 B)
K48 – Power relay, engine preheating (engine) – (CU3:1 C)
K50 – Relay, horn (pos. 14) – (GQ1:1 C)
K51 – Power relay, battery main switch (battery box) – (AA:1 C)
K51_B – Power relay, battery main switch (battery box) – (AA:1 C)
K51_S – Power relay, battery main switch (battery box) – (AA:2 C)
K53 – Relay, starter control (pos. 17) – (CU3:0 B)
K54 – Relay, motor headlamp washer pump (pos. 446) – (GM:0 C)
K65 – Relay, lighting 4 doors cab – (GH3:2 C)
K66 – Relay, rear door motor control – (IM:2 C)
K67 – Relay, rear door motor control – (IM:1 D)