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From
the Porsche “Technical Specifications” booklet available from 928 Specialists.
928 S4 page
|
Technical Data – Fuses and Relays (1987/88)
Location of Fuses and Relays
The central electric board is accessible after folding
up a cover in footwell of passenger’s side.
It holds 45 fuses and 26 relays.
The fuses are grouped into 5 blocks comprising 5 fuses each and are no
longer numbered. To check a special
fuse it is necessary to count from left to right.
All
wire harness plug connections for the central electric board are located
below the relays and marked with letters A through W. The connectors have been fitted with
coding elements to avoid confusion.
Note:
The
seat belt timer relay is located in the center console ahead of the radio,
the rear window wiper relay behind the tool plate at rear left, the bulb
controller in the passenger-side oddments tray.
Fuses Model 87/88
|
No.
|
Amp.
|
|
|
1
|
5
|
Central
lock system
|
|
2
|
25
|
Cigar
lighter
|
|
3
|
5
|
Control
unit fan
|
|
4
|
7.5
|
Stop
light, tempostat
|
|
5
|
25
|
Windshield
wipers, heated spray jet
|
|
6
|
7.5
|
Air
conditioner
|
|
7
|
5
|
Light:
Button panel, light switch, diagnosis connection
|
|
8
|
15
|
Seat
heater
|
|
9
|
-
|
-
|
|
10
|
5
|
Instruments,
indicator lamps, solenoid valve, Kick down
|
|
11
|
7.5
|
Rear
window wiper
|
|
12
|
7.5
|
Backup
lights, mirror control
|
|
13
|
15
|
Additional
air conditioner
|
|
14
|
25
|
Sun
roof
|
|
15
|
30
|
Window
controls
|
|
16
|
15
|
ABS
|
|
17
|
30
|
Fresh
air blower
|
|
18
|
15
|
Two-tone
horn
|
|
19
|
25
|
Rear
window defogger
|
|
20
|
30
|
Power
seat left
|
|
21
|
30
|
Power
seat right
|
|
22
|
15
|
Booster
|
|
23
|
7.5
|
Fresh
air flap motor
|
|
24
|
7.5
|
Inside
lights, diagnosis connection
|
|
25
|
25
|
Headlight
cleaner
|
|
26
|
1
|
Tailgate
unlocking
|
|
27
|
15
|
Concealed
headlight motor
|
|
28
|
30
|
Radiator
fan 1
|
|
29
|
30
|
Radiator
fan 2
|
|
30
|
15
|
Fog
light
|
|
31
|
7.5
|
High
beam left
|
|
32
|
7.5
|
High
beam right
|
|
33
|
15
|
Additional
high beam
|
|
34
|
5
|
Turn
signal front left
|
|
35
|
5
|
Turn
signal rear left
|
|
36
|
5
|
Turn
signal front right
|
|
37
|
5
|
Turn
signal rear right
|
|
38
|
7.5
|
Low
beam left
|
|
39
|
7.5
|
Low
beam right
|
|
40
|
5
|
Side
marker light left
|
|
41
|
5
|
Side
marker light right
|
|
42
|
15
|
Fuel
pump, heater, Oxygen sensor
|
|
43
|
5
|
License
plate light, engine compartment light
|
|
44
|
5
|
Lights:
Ashtray, instruments
|
|
45
|
5
|
Rear
fog lights
|
|
|
|
|
Relays
|
I
+ II
|
928
615 115 00
|
-
Rear window defogger
|
|
III
|
|
-
|
|
IV
|
141
951 253 B
|
-
X-Relay
|
|
V
|
111
953 227 D
|
-
Turn signal flasher relay
|
|
VI
|
928
615 126 00
|
-
Window controls
|
|
VII
|
928
615 101 01
|
-
Wiper intermittent action
|
|
VIII
|
928
615 203 00
|
-
Defroster
|
|
IX
|
928
615 113 01
|
-
Extensive cleaning
|
|
X
|
141
951 253 B
|
-
Fresh air blower
|
|
XI
|
928
618 223 00
|
-
Suppressor
|
|
XII
|
141
951 253 B
|
-
Two-tone horn
|
|
XIII
|
928
615 137 01
|
-
Fog light
|
|
XIV
|
141
951 253 B
|
-
Starter
|
|
XV
|
928
618 109 01
|
-
Kick down
|
|
XVI
|
928
615 203 00
|
-
EZK
|
|
XVII
|
928
615 124 01
|
-
ABS
|
|
XVIII
|
944
615 119 00
|
-
Flap control
|
|
XIX
|
928
618 111 00
|
-
Headlight cleaner
|
|
XX
|
141
951 253 B
|
-
Fuel pump
|
|
XXI
|
928
618 225 01
|
-
Inside light
|
|
XXII
|
928
615 125 00
|
-
Backup light (bridge at manual transmission)
|
|
XXIII
+ XXIV
|
928
618 107 04
|
-
Headlight
|
|
XXV
|
141
951 253 B
|
-
LH-Jetronic
|
|
XXVI
|
|
-
|
|