Fuse and relay box diagrams – Honda Prelude
Applies to vehicles manufactured over the years:
1987, 1988, 1989, 1990, 1991.
Diagram of the fuse box in the passenger compartment
The fuse panel is located behind the cover below and to the left of the steering column.
| Number | Amps [A] | Description |
|---|---|---|
| 1 | 7,5 | Warning display, starter (manual transmission), neutral safety switch (automatic transmission), PGM-FI ECU, PGM-FI main relay, control box (PGM-CARB) |
| 2 | 10 | Stereo cassette player, cigarette lighter relay |
| 3 | 7,5 | Warning display, starter solenoid, PGM-FI electronic control unit, PGM-FI main relay |
| 4 | 15 | Electric lock control unit |
| 5 | 15 | Passenger window switch |
| 6 | 15 | Electric window control unit, electric window driver switch |
| 7 | 20 | Automatic seat belt retractors |
| 8 | 15 | Start light, dome and ashtray, ignition switch, integrated control unit, cigarette lighter, driver’s door outer handle switch |
| 9 | 20 | Light Fog Relay |
| 10 | 7,5 | Cruise control master switch |
| 11 | 20 | Sunroof relay, electric windows, windshield wiper, integrated control unit, combination switch |
| 12 | 10 | Warning display, speed sensor amplifier, automatic transmission, engine controls |
| 13 | 10 | Integrated control unit, reverse light switch, combination and shift console switches, buzzer/belt assembly, meter assembly, shift lever position and safety indicators, clock |
| 14 | 30 | Sunroof motors |
| 15 | 15 | Combination Switch |
| 16 | 7,5 | Daylight Continuous Relay |
| 17 | 15 | Mirror power supply, condenser fan relay (PGM-CARB), radiator fan relay, cooling fan timer assembly (PGM-FI) |
| 18 | 10 | Rear defogger glass, heating controls, air conditioning controls |
Diagram of the fuse box in the engine compartment
| Number | Amps [A] | Description |
|---|---|---|
| 19 | 70 | Power Distributor |
| 20 | 40 | Power distributor (ignition switch) |
| 21 | 40 | Power distributor (ignition switch) |
| 22 | 40 | Instrument panel fuse box |
| 23 | 30 | Rear window demist relay |
| 24 | 40 | Electric window relay, instrument panel fuse box |
| 25 | 40 | ALB motor relay |
| 26 | 15 | Anti-lock Brake Control Unit |
| 27 | 15 | Anti-lock Brake Control Unit |
| 28 | 15 | Anti-lock Brake Control Unit |
| 29 | 15 | right headlight retractive relay, headlight retractive switch |
| 30 | 15 | Left headlight retractor, headlight retractor and combination switches |
| 31 | 15 | Direction indicators/ hazard relay, danger switch |
| 32 | 20 | Horns, brake light switch, key lock switch |
| 33 | 15 | Headlight right |
| 34 | 15 | Left Headlight |
| 35 | 10 | PGM-FI electronic control unit, power antenna, cooling fan timing unit, radio cassette, automatic transmission control unit, stereo, clock |
| 36 | 15 | Condenser Fan Relay |
| 37 | 10 | Alternator |
| 38 | 10 | PGM-CARB control unit, PGM-FI main relay |
| 39 | 20 | Radiator Fan Relay |
| R1 | – | |
| R2 | – | |
| R3 | Resistor | |
| R4 | Lighting | |
| R5 | Condenser Fan | |
| R6 | – | |
| R7 | Radiator Fan | |
