1977-1987 BMW 7-Series (E23)
Fuse Box (up to 1982)
| No. | A | Protected circuits |
| 1 | 16 | Fuel Delivery/Evaporative Control Idle Speed Control |
| 2 | 8 | Headlights (RH Low Beam) |
| 3 | 8 | Headlights (LH Low Beam) |
| 4 | 25 | Cigar Lighters |
| 5 | 8 | Active Check Control Auto-Charging Flashlight Central Locking Gauges Glove Box Light Heated Door Lock Ignition Key Warning/Seatbelt Warning Interior Lights Lights: Turn/Hazard Warning On-Board Computer Radio/Power Antenna Trunk Light |
| 6 | 8 | Active Check Control Backup Lights/Transmission Range Lights Brake Lining Warning Cruise Control Dash Lights Gauges Idle Speed Control Interior Lights Power Mirrors Power Windows Seatbelt Warning Speedometer Warning Indicators |
| 7 | 8 | Headlights (LH, RH High Beams) |
| 8 | 8 | Headlights (LH, RH High Beams) |
| 9 | 8 | Active Check Control Dash Lights Lights: Front Park/Tail/Underhood Lights: Rear Marker/License |
| 10 | 8 | Active Check Control Lights: Front Park/Tail |
| 11 | 16 | Active Check Control Horns Lights: Turn/Hazard Warning Wiper/Washer |
| 12 | 8 | Active Check Control Radio/Power Antenna Stoplights/Cruise Control Warning Indicators |
| 13 | 25 | Rear Defogger/Sunroof |
| 14 | 25 | Automatic Heater-Air Conditioner Auxiliary Fan Vacuum Pump |
| 15 | 8 | Fog Lights (RH) |
| 16 | 8 | Fog Lights (LH) |
| 17 | 25 | Auxiliary Fan |
| Relay | ||
| R1 | Fuel Pump Relay | |
| R2 | Auxiliary Fan Relay (Speed 1) | |
| R3 | Low Beam Check Relay | |
| R4 | Purge Valve Relay | |
| R5 | High Beam Relay | |
| R6 | Horn Relay | |
| R7 | Low Beam Relay | |
| R8 | Fog Light Relay | |
| R9 | Unloader Relay | |
| A | Protected circuits | |
| Auxiliary Fan Fuses(2) | 25 | Auxiliary Fan |
Under Dash, Left Of Console
| A | Protected circuits | |
| Power Window Circuit Breaker | 25 | Power Windows |
| A | Protected circuits | |
| In-Line Radio | 1 | Radio |
Fuse Box (from 1982)
| No. | A | Protected circuits |
| 1 | 15 | Headlights (Left High Beam, Right Low Beam) |
| 2 | 15 | Headlights (Right High Beam, Left Low Beam) |
| 3 | 15 | Auxiliary Fan 91° C (196° F) |
| 4 | 15 | Lights: Turn/Hazard Warning |
| 5 | 30 | Wiper/Washer, Windshield Washer Jet Heaters |
| 6 | 7.5 | Active Check Control, Stop Lights/Cruise Control/Map Light |
| 7 | 15 | Horn |
| 8 | - | Not Used |
| 9 | 15 | Back Up Lights, Fuel Control (Engine Electrical Equipment) |
| 10 | 7.5 | Active Check Control, Brake Lining Warning, On-Board Computer, Seatbelt Warning, Service Interval Indicator, Speedometer/Gauges/Warning Indicators |
| 11 | 15 | Fuel Delivery (Main and Auxiliary Fuel Pump) |
| 12 | 7.5 | Active Check Control, On-Board Computer, Radio (Radio In-Line Fuse), Warning Indicators |
| 13 | 7.5 | Headlights (Left Low Beam) |
| 14 | 7.5 | Headlights (Right Low Beam) |
| 15 | - | Not Used |
| 16 | 30 | Auxiliary Fan, Vacuum Pump, Heater/Air Conditioning |
| 17 | 15 | Heater/Air Conditioning, Interior Lights, Power Mirrors, Power Windows, Seatbelt Warning, Stop Lights/Cruise Control, Windshield Washer Jet Heaters |
| 18 | 30 | Auxiliary fan 99° C (210° F) |
| 19 | 30 | Sunroof, Heated Seats |
| 20 | 30 | Hear Defogger |
| 21 | 7.5 | Active Check Control, Auto-Charging Flashlight, Gauges, Glove Box Light, interior Lights, On-Board Computer, Radio, Service Interval Indicator, Trunk Lights, Seat Belt Buzzer, Memory, Clock |
| 22 | 7.5 | Active Check Control, Lights: Front Park/Tail |
| 23 | 7.5 | Active Check Control, Rear Defogger, Lights: Front Park/Tail Underhood, Lights: Visor/Dash, Lights: Rear Marker, Lights: Turn/Hazard Warning, Engine Compartment Light, License Plate Lights |
| 24 | 15 | Lights: Turn/Hazard Warning, Open Door Buzzer |
| 25 | - | Not Used |
| 26 | 30 | Power Seats, Power Windows |
| 27 | 30 | Central Locking, Heated Door Lock, On-Board Computer, Burglar Alarm |
| 28 | 30 | Cigar Lighter, Power Antenna (Radio In-Line Fuse) |
| 29 | 7.5 | Fog Lights (Left Fog Light) |
| 30 | 7.5 | Fog Lights (Right Fog Light) |
| 32 | 30 | Accessory Fuse (Not Used) |
| 33 | 30 | Accessory Fuse (Not Used) |
| Relay |
||
| R1 | Fuel Pump Relay | |
| R2 | Wiper Control Unit | |
| R3 | Low Beam Check Relay | |
| R4 | Low Beam Relay | |
| R5 | High Beam Relay | |
| R6 | Horn Relay | |
| R7 | Auxiliary Fan Relay (Speed 1) | |
| R8 | Fog Light Relay | |
| R9 | Unloader Relay (Rear Window Defogger, Power Sliding Roof, Heated Seat) | |
| R10 | Auxiliary Fan Relay (Speed 2) | |
| R11 | Unloader Relay (Heater Blower) | |
| R12 | Oxygen Sensor Heater Relay | |
| A | Protected circuits | |
| Power Window Circuit Breaker | 25 | Power Windows |
Flasher (Turn/Hazard Warning; From 1982 Models)
Remove and install steering column casing 32 31 020.
Flasher (Turn/Hazard Warning; Up To 1982 Models)
Detach and attach instrument panel trim at bottom left 51 45 180.
Fan Relay
- Relay For Extra Fan - Stage 1
- Relay For Extra Fan - Stage 2
Starter Repeat Limit Relay
Window Control Relay
Detach and attach instrument panel trim at bottom left 51 45 180.
Relays For ABS On Hydraulic Unit
Unscrew bolt (1). Pull off cover.
Pull out motor relay (2) and/or valve relay (3).
Main Relay (Up To 1982)
Main Relay (From 1982)
Blower Relay, Compressor Relay
