Porsche 911 (996) / 986 Boxster (1996-2004) fuses and relays

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In this article, you will find fuse box diagrams of Porsche 911 (996) / 986 Boxster 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 and 2004, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse box diagra: Porsche 911 (996) / 986 Boxster
(1996-2004)


Cigar lighter / power outlet fuse in the Porsche 911 (996) / 986 Boxster is the fuse D5 in the Passenger Compartment fuse box.


Passenger Compartment Fuse Box

It is located near the door, behind the cover, on the driver’s side.The location of the fuses in the passenger compartment: Porsche 911 (996) / 986 Boxster (1996-2004)

Fuse box diagram

Interior fuse box diagram: Porsche 911 (996) / 986 Boxster (1996-2004)

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Assignment of the fuses in the Passenger Compartment
Assignment Ampere rating [A]
A11997-1998: High Beam Right
1999-2004: High Beam Right, High Beam Control
7,5
15
A21997-1998: High Beam Left
1999-2004: High Beam Left
7,5
15
A3Side Marker Light Right7.5
A4Side Marker Light Left7.5
A5License Plate Lights, Instrument Lights, Locating Light (2002-2004)15
A6Seat Heater25
A7Fog Light, Rear Fog Light25
A8License Plate Lights (Canada)7.5
A91997-1998: Low Beam Right
1999-2004: Low Beam Right
7,5
15
A101997-1998: Low Beam Left
1999-2004: Low Beam Left
7,5
15
B1Cluster, Tiptronic, Button ASR ON/OFF (PSM), Diagnosis, Power Top15
B21997-2000: Radio, InfoSystem (1997-1998)
2001-2004: Hazard-Warning, A.Turn-Signal System
7,5
15
B3Two-Tone Horns25
B4Engine Compartment Blower15
B5Backup Light, CU Memory Mirror Adjustment, CU Power Top (996)7.5
B61997-1998: Hazard-Warning Light Switch, Power Top (986)
1999-2004: Turn Signals, Power Window
15
B7Stop Light, Cruise Control15
B8CU CLS Alarm, CU DME/ME (Engine Electronics), CU Tiptronic15
B91997-1998: CU ABS Traction Control
1999-2004: CU ABS, ASR, PSM
15
B10Instrument Cluster Diagnosis, Headlight Vertical Aim Control (1999-2004), ALWR (986 from 2001), Parking Assistant (986 from 2001)15
C1Relay MFI-DI, Engine Electronics25
C2Ignition, Oxygen Sensor Heater30
C31997-1998: CU Alarm System, Central Locking System, Power Window (996)
1999-2004: CU CLS Alarm, Power Winoow, Sun Roof, CU Power Top, Inside Light
15
C41997-2001: Fuel Pump
2002-2004: Fuel Pump
25
30
C5986:
to 1999: Not Used
from 2000: Engine Compartment Blower Stage 1
5
C6Wiper25
C7Term.X Control Wires7.5
C81997-2001: Radiator Fan 2 (Right)
2002-2004: Radiator Fan 2 (Right)
30
40
C9Headlight Cleaning System25
C101997-2001: Radiator Fan 1 (Left)
2002-2004: Radiator Fan 1 (Left)
30
40
D1Power Window30
D2Mirror Heating, Rear Window Defogger30
D3Convertible Top Drive, Sun Roof (1999-2004)30
D4Power Window Rear (Convertible)30
D5Cigar Lighter15
D6Heater Air Conditioning System30
D71997-1998: Hazard Warning Light Switch, CU DME (986)
1999-2000: Hazard Warning, A.Turn Signal System
2001-2004: Rear Spoiler Cover Opener
15
D81997-2000: Spoiler Extension
2001: Radio
2002-2004: Radio and Audio Option Pack
15
15
7.5
D9Audio Option Pack (996)

986:
to 2000: Audio Option Pack
from 2001: DSP Amplifier
15
D10996:
1997-2001: Mounting Point For Retrofit  (Warning Maximum of 5A)
2002-2004: Telephone

986:
Mounting Point For Retrofit (Warning Maximum of 5A)
7,5/5
E1Term.86S, CU-CL Alarm, Radio, Cluster CU Info System, Daytime Running Light (1999-2004), CU Sensor Overturn (1999-2004)7.5
E2CU Memory7.5
E3Power Seat, CU Memory Seat Left30
E4Power Seat, CU Memory Seat Right30
E5InfoSystem7.5
E6Term.30 Telephone/Handy, Navigation Control Unit, ORVR (1999-2004)7.5
E7Air Conditioning System7.5
E8Term.15 Telephone/Handy, InfoSystem, Navigation (986, 2001)7.5
E91996-1997, 986: Term.15 Telephone / Handy
1997-1998, 996: FDR
1999-2001: PSM
2002-2004: PSM
7.5
30
30
25
E101996-1997, 986: CU Tiptronic
1997-1998, 996: FDR
1999-2001: PSM
2002-2004: PSM
7.5
30
30
25

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Relay Box №1

It is located over the fuse panel.Relay Box №1 (location): Porsche 911 (996) / 986 Boxster (1996-2004)

Relay Box №1 (diagram): Porsche 911 (996) / 986 Boxster (1996-2004)

Actual for Porsche 986, for other models may vary
Relay Box №1
Relay
1
2
3Flasher
4Rear Window Defogger / Mirror
5to 1997:  Changeover Telephone Speaker
6CU Daytime Running Light (Double Relay)
7
8CU Headlight Washing
9Term.XE
10Two-Tone Horns
12USA/JAPAN:  Fog Light
13Fuel Pump
14CU Power Top (Double Relay)
15
16Wiper Intermittent Control
18Actuation Heating
19Radiator Fan 1 Stage 1
20Radiator Fan 1 Stage 2
21Radiator Fan 2 Stage 1
22Radiator Fan 2 Stage 2

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Relay Box №2

It is located behind and under rear seatsRelay Box №2 (location): Porsche 911 (996) / 986 Boxster (1996-2004)

Relay Box №2 (diagram): Porsche 911 (996) / 986 Boxster (1996-2004)

Actual for Porsche 986, for other models may vary
Relay Box №2
FunctionAmpere ratting [A]
Secondary Air Pump (fuse)40
1Relay MFI+DI
2to 1998:  Ignition / Oxygen Sensor
3Spoiler Extension
4Air Conditioning Compressor
5
7Start Lock
8from 2000:  Engine Compartment Blower
9Spoiler Retraction
10Secondary Air Pump
11

Main fuses

Main fuses: Porsche 911 (996) / 986 Boxster (1996-2004)

Actual for Porsche 986, for other models may vary
Fuse function
F1PSM
F2ON Board Comp. Network 1
F3ON Board Comp. Network 2
F4Ignition Lock
F5Engine Electronics
F6ON Board Comp. Network 3
F7PSM