Porsche 928 (1977-1995) – fuse and relay box

Diagrams of fuse boxes and relays – Porsche 928

Applies to vehicles manufactured in the years:

READ:  Porsche 924 (1976-1991) - fuse and relay box

1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995.

Fuse box

1977 – 1979

Porsche 928 (1977-1995) - fuse and relay box

1980-1984

Porsche 928 (1977-1995) - fuse and relay box
Number Description Amperes [A]
1 Fog lights 16
2 High beam (in euro) 16
3 License plate lighting, comp. Lt 8
4 Ashtray light;

Light switches;

Instrument lighting (1983-1984).

8
5 1977-1980; 1982  :

Cigarette lighter, instrument lighting

16
1981; 1983-1984:

Cigarette lighter, instrument lighting (1981)

8
6 Windshield wipers, internal washers 16
7 1977-1979:  Rear window wiper;
1983-1984:  Brake light, cruise control, bulb test.
8
8 Sunroof 16
9 Reversing lamp, mirror motors, air conditioning  (1983-1984) , rear wiper  (1983-1984) 8
10 1977-1982:  Brake light, cruise control, bulb test 8
11 I8 instrument, clock, light switch lamp
12 Instruments and indicator lamps 8
13 1983-1984:   Fuel pump, warm-up regulator, auxiliary air valve 16
14 Electric seat motors 25
15 Horns, antenna, rear wiper return 16
16 A / C condenser fan 25
17 Fresh air blower, comp. Clutch  (1977-1979) 25
18 Rear defroster, mirror heaters 25
19 Headlight motor 25
20 Headlight washers 16
21 Shaft motors, central locking system  (1980-1984) 25
22 1977-1982  : Fuel pump, warm-up control, auxiliary air valve 25
23 Interior lights, clock, tailgate release 8
24 High beam – left 8
25 High beam – right 8
26 Dipped beam – left 8
27 Dipped beam – right 8
28 Parking lights – left 8
29 Parking lights – right 8
30 Direction indicator – front / left 8
31 Direction indicator – rear / left 8
32 Direction indicator – front / right 8
33 Direction indicator – front / right 8
34 Rear fog light (Euro) 8
Number Relay Part no
I-II Rear defroster 928.615.115.00
III 1977-1979:   Headlight motor 928.615.116.00
1983-1984; Euro: window elevator 141,951,253.B
IV 1977-1979  : Headlamp power supply 928.615.127.00
1984; USA:   Alarm 141,951,253.B
V Indicator (rotation) blinker 1H0,953,227
VI Window winder 928,615,117.00  (’77 -’80)
928,615,116.00  (’81 -’84)
VII Headlight washers 928.618.111.00
VIII
IX 1977-1979:   seat belt 928,618,102.00
1983-1984:   Kick-Down relay – Auto 928.618.109.00
1983-1984:   Kick-Down BRIDGE – 5-speed 928.615.125.01
x Two-tone horns 928,615,117.00  (’77 -’81)  141,951,253.B   (’82 -’84) 
XI 1977-1979: Air conditioning compressor 928.618.105.00
XII Fog lights 928.615.117.02
XIII 1977-1979: The power of the high beam 928.615.119.00
1980-1984: Intermittent wiper delay 993.615.101.00
XIV 1977-1979: High / low headlight 928,615,123.00
1980-1984: Start relay (automatic) 928,615,117.00  (’80 -’81)  141,951.253.B   (’82 -’84) 
1980-1984:   Start-Bridge (manual) 928,615,125.00   (  years 80-81)
928,612,473.00   (years 82-84)
XV 1977-1979:   Start relay (automatic) 928.615.117.00
1977-1979:   Start-Bridge (manual) 928.615.125.00
1980-1984:   Intensive washing machines 928.618.113.01
1980-1981:   without ext. Washer (bridge) 928.618.115.00
XVI 1977-1979:   Headlamp safety 928.615.116.00
1980-1984:   Fuel injection 928.615.119.00
XVI 1977-1979  : Headlamp safety 928.615.116.00
1980-1984  : Fuel injection 928.615.119.00
XVII Fuel pump 928.615.113.01
XVIII A / C condenser fan 928.615.111.00
XIX 1977-1979:   Intermittent wiper delay 993.615.101.00
XIX-XX 1980-1984:   Combination headlight 928.618.107.02
XX 1977-1979:   Intensive washing machines

928.618.113.01
928.618.115.00
XXI Fresh air blower 928.615.117.00
XXII Defroster 928.615.117.00

Fuse box (1985-1989)

Porsche 928 (1977-1995) - fuse and relay box
Number Description Amperes [A]
1 1985-1988:   Central Castle 5
1989  : Central Locking 15
2 1985-1986:   Lighter 20
1987-1988:   Lighter 25
3 1987-1988  : Control unit – cooling fans 5
4 Brake light, cruise control 7.5
5 1985-1986:   Windshield wipers, nozzle heating 15
1987-1988:   Windshield wipers, nozzle heating 25
6 1985-1986:   Light: button panel, light switch 5
1987-1988  : Air conditioning 7.5
7 seat heating 15
8 1985-1986:   Air conditioning 7.5
1987-1988  : seat heating 15
9 Telephone (factory) 7.5
10 Instruments, indicator lights, kick-down  (auto; 1987-1988) 5
11 Rear window wiper 7.5
12 Reversing lamp, mirror motors 7.5
13 Additional air conditioning (rear air conditioning) 15
14 Sunroof 25
15 Window winders 30
16 1985-1986:   Anti-lock brake system 10
1987-1988:   Anti-lock braking system 15
17 Fresh air blower 30
18 Horns, rear wiper – (rest position) 15
19 Rear window defroster 25
20 Electric seat adjustment – left 30
21 Electric seat adjustment – right 30
22 1987-1988:   Radio – Amplifier 15
23 1985-1986:   After-Air Radiator Fan
1987-1988:   Adjusting the Cooling Air Flap
7.5
24 1985-1986:   Current pulse tailgate, interior lighting 5
1987-1988:   Diagnostic Connector, Pulse Current-Tailgate, Interior Lighting 7.5
25 Headlight washing system 25
26 The tailgate is released 1
27 Headlight motor 15
28 1985-1986  : Radio amplifier 15
1987-1988:   Radiator Fan No.1 30
29 1985-1986:   A / C condenser / Radiator Cooling Fan 25
1987-1988  : Radiator Fan No.2 30
30 Fog lights 15
31 Main (road) beam – left 7.5
32 Main (road) harness – right 7.5
33 Traffic lights 15
34 Indicator (rotation) Light Front / Left 5
35 Indicator (rotation) Light Rear / Left 5
36 Indicator (rotation) Light Front / Right 5
37 Indicator (rotation) Light Rear / Left 5
38 Dipped beam (dipped beam) – left 7.5
39 Dipped beam (dipped beam) – right 7.5
40 Parking light – left 5
41 Parking light – right 6
42 Fuel pump, O2 sensor heating 15
43 License plate lighting, comp. Lt 5
44 Ashtray light, instrument lighting 5
45 Rear fog light (Euro only) 5
Number Relay Part number
I-II Rear defroster 928.615.115.00
III
IV Ignition relay-X 141,951,253.B
V Pointer (turn), 4-way blinker 1H0,953,227
VI Window winder 928,615,126.00  (years 85-88)
944,615,166.00  (years 89-89)
VII Intermittent wiper delay timer 993.615.101.00
VIII Defroster 928,615,203.00  (’85 -’86)
141,951,253.B  (’87 -’89)
IX Intensive Pads 928.618.113.01
x Fresh Air Blower (HVAC) 141,951,253.B
XI Noise suppressor 928.618.223.00
XII Two-tone horns 141,951,253.B
XIII Fog lights 928.615.137.01  (’85 -’86)
928.615.117.02  (’87 -’89)
XIV Starter relay 141,951,253.B
XV 1985-1986:   Kick-Down relay (automatic) (up to 86 VIN # 0998) 928.618.109.00
1986-1989  : Kick-Down Relay (Auto) (’86 VIN # 09999 and later) 928,618,109.01  (’86 -’88)
928,618,108.00  (’89 -’89)
XVI 1985-1986:   EZF ignition system 141,951,253.B
1987-1989  : EZK ignition system (with fuse tester) 928.615.203.00
XVII ABS relay (USA ’86 from VIN # 0061 / Euro from ’85) 928.615.124.01
XVIII 1985-1986:   A / C Capacitor / Radiator Fan 141,951,253.B
1987-1988:   Cooling Air Flap System 944.615.119.00
XIX Headlight washers 928.618.111.00
XX Fuel pump, O2 sensor 141,951,253.B
XXI Interior lighting delay (’86 VIN # 09999 and later) 928.618.225.01
XXII 1985-1988:   Reversing lamp relay (automatic) 141,951,253.B  (’85 -’88)
928,615,114.00  (’89)
1989:   reverse light bridge (5-speed) 928.615.125.00
XXIII – XXIV Combination headlight 928,618,107.02  (’85 -’86)
928,618,107.04  (’87 -’89)
Xxv Left-Jetronic fuel injection 141,951,253.B
Xxvi

Fuse box (1990-1995)

Porsche 928 (1977-1995) - fuse and relay box
Number Description Amperes [A]
1 Dipped beam (dipped beam) – left 7.5
2 Dipped beam (dipped beam) – right 7.5
3 Main (road) harness – left 7.5
4 Main (road) harness – right 7.5
5 Traffic lights 15
6 Fog lights 15
7 Parking light – left 5
8 Parking light – right 5
9 Lights: ashtray, instruments 5
10 Lights: license plate, comp. (  1990  ) 5
11 Rear fog light (Euro only) 5
12 Indicator lamp (direction indicator) – front / left 5
13 Indicator lamp (direction indicator) – rear / left 5
14 Control lamp (direction indicator) – front / right 5
15 Indicator lamp (direction indicator) – rear / left 5
16 R25ear windscreen de-icer 25
17 1990 : Central Locking;
1991-1995 : Warning signal, comp. Light.
7.5
18 1990  : Adjusting the Cooling Air Flap 7.5
1991-1995  : Window / sunroof regulator 25
19 Headlight washing system 25
20 Fresh air blower 30
21 Radio – Amplifier 15
22 Electric seat adjustment – left 30
23 Electric seat adjustment – right 30
24 Horns, Rear Wiper – (rest position;  1990-1991  ) 15
25 Diagnostic connector, pulse current – tailgate, interior lighting 7.5
26 The tailgate is released 1
27 Headlight motor 15
28 Anti-theft system 15
29 Radiator fan # 1 30
30 Radiator fan # 2 30
31 1990  : Window / sunroof adjuster 30
32
33 Lighter 25
34 Windshield wipers, washer jet heating 25
35 Brake light, cruise control 7.5
36 Control unit – cooling fans 5
37 Air conditioning 7.5
38 Fuel pump, O2 sensor heating 15
39 Instruments, kick-down, warning lights, rear wiper switch 5
40 Reversing lamps, mirror motors, RDK system 7.5
41 Light: Light Switch, Button Panel, Interior Light Delay, Diag. Horse. 5
42 Rear window wiper 7.5
43 Telephone (Factory) 7.5
44 seat heating 15
45 Additional air conditioning (rear air conditioning) 15
Number Relay Part number
I-II Rear defroster 928.615.115.00
III Canada:   daytime running lights
IV Fog lights 928.615.117.02  (’90)
141.951.253.B  (’91 -’95)
V Starter relay 141,951,253.B
VI 1990  : Cooling Air Flap System 944.615.119.00
VII Headlight washers 928.618.111.00
VIII 1991-1995  : Fog lamp alarm 141,951,253.B
IX Intensive Pads 928.618.113.01
x Ignition relay-X 141,951,253.B
XI Wiper delay timer 993.615.101.00
XII Fresh Air Blower (HVAC) 141,951,253.B
XIII Pointer (turn), 4-way blinker 1H0,953,227
XIV Defroster 141,951,253.B
XV 1990  : ABS relay 928.615.124.01
XVI 1991-1995  : Two-tone horns 141,951,253.B
XVII 1990-1993  : Kick-Down Relay (Automatic) (up to Vin # 92PS8 20500) 928,618,108.00
1993-1995  : Kick-Down Relay (Auto) (from VIN # 92PS8 20501) 928.618.108.01
XVIII Reverse lamp relay (automatic) 928.615.114.00
Reverse light bridge (5-speed) 928.615.125.00
XIX 1990  : Interior lighting delay 928.618.225.01
1991-1995  : Control unit – speedometer 928,618,221.00
XX
XXI Noise suppressor 928.618.223.00
XXII Ignition system EZK (with fuse tester) 928.615.203.00
XXII Combination headlight 928.618.107.04
Xxiv
Xxv LH-Jetronic fuel injection 141,951,253.B
Xxvi Fuel pump, O2 sensor 141,951,253.B

Additional fuses

Description location Part number
1977-1981  : Electric seat Under the seat 928,615,123.00
1980-1995: seat   belt / Bell Inside the center console below the radio 928.618.102.03
1980-1995:   Rear window wiper Behind the toolbox cover – driver’s side 928.618.104.00
1989-1995  : Ignition Overheat Relay Mounted on the engine computer frame 928.618.175.00
1989-1995:   Anti-theft relay Inside the center console below the radio 928.637.160.00

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