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PORSCHE 928 S Model 89 Wiring Diagram
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Wiring 97
0
Wiring Diagram Type 928 S
Model 89
Sheet 1
Sheet 2
Sheet 3
Sheet 4
Sheet 5
Sheet 6
Sheet 7
Sheet 8
Sheet 9
Sheet 10
Sheet 11
Sheet 12
Coordinates
i- 10
I- IO
II- 20
21- 30
31- 40
41- 50
51- 60
61- 70
71- 80
81- 90
91 - 100
Lights Row
Lights USA
Body
Instrument Cluster and Senders
Engine Cooling, Heater, Air Conditioner
Outside Mirror, Power Seat
Seat and Mirror Memory
Radio, Alarm System
Antilock System, Tire Pressure Control,
Porsche Lock Differential, Traitor Coupling
Motor, Fuel and Ingnition, Cruise Control
Central Electric
Constr. Components, Plug Connections,
Ground Points
Current Flow Diagram 97-309

Wiring Diagram Type 928 S
Model 89
The wiring diagram comprises of 11 individual wiring diagrams and 1 sheet construction
components, plug connections and ground points. They are subdivided into coordinate fields.
Each individual wiring diagram comprises a part of the central-electrical system within a
dashdot frame.
This part of the central-electrical system shows all the lines and relays required for the
individual wiring diagram.
The ground-connecting points are designated with “MP” and their location is shown in a vehicle
diagram.
The lo-pole plugs on central electrical system are clipped together from 3 parts.
Part 1, with the cast-on fastening pin, is the “initial element”.
Parts 2, is the “module element”.
Both parts are identified by the digits 1......5.
Part 3 is a “coding element”.
The designations of the plug connections in the wiring diagram for central electrical system
refer e.g. from A 1l....... 15, to the “initial element”, from A 21......25 to module element.
Printed in Germany - XXI, 1988

Wiring 97
Wiring Diagram Type 928 S
Model 89 Sheet 1
Lights Row
Coordinates
l-10
Current Flow Diagram 97-311

Ww-q Lhagram lype YZ8 S Model BY Sheet 'I
LlthTS ROW
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'TDP L,W;
-06 LAMP
1.
I
ACOI'IONAL
WIGP JEAMS
I
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3
CONCEAI EO 1.K I\OI.IGH
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v, x .,!<. E‘
Printed in Gernmy - XXI. 1988

Wiring 97
1
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Wiring 97
Wiring Diagram Type 928 S
Model 89 Sheet 2
Lights USA
Coordinates
1 - IO
Current Flow Diagram 97-313

Wiring Uiagram lype Y28 S Model 89 Sheet 2
LIGHTS USA
A
I
8
I
I:
I
._1. .
II
I
E . _ _ ,;
F J
I
K
-.i .__
._. ..__ -.. --.----
..- ._._ ..-. .__ -_._-.. . .- ..-_ . ._ .-. --.__ ._..._ -.
Vs Kt I’
FL3OR 1 AMP LEFT
“;5A[ 1
FLOOR LA!+ RIGHT
l-
OOOR CONTACT FOR
GLOVE-BOX LAMP
GLOVE BOX
LAMP
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.
J
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1
3
6
8
9
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IE ‘..Jl !EH I
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el q aLbF r, ‘/imE
Printed III Germany - XXI. 1988

Wiring 97
F !
G
/ /
H j J ! K
- IKS lb;
FL OCR I AMP LEFT
VS KL 3
#
“758 /
II --+xP
RUl H CONTROL UM I
, SIOE >-IARfCfH iAMP
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SIUE MARKER
LIW T
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UPChtlP LAMP
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.
Current flow Oingram 97-313

Wiring 97
l
Wiring Diagram Type 928 S
Model 89 Sheet 3
Body
Coordinates
II-20
Current Flow Diagram 97-315

Wiring Uiagram lype YZ8 S Model 8Y Sheet 3
A
, __ -.___.
F
1
G
--.--L---.-
H I J
--- I-
_ ---- -.L-.
K
_-.--I-.
LOCK CYLINUER FOR
ORYE
c1n I n!4 Y,. r^ ^ _^^I
PUSH RUTTON
SWIT:h FOR
POWER ‘WINOOW
SPEEOOblETFR
RESET
T
CL-NTRAL LOC’-X BUTTON [O,,TRJt UNIT CENTRAL LOChS
- 11 ;
12'
_.
13
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I
14;
DOWE SUN ROOF ~FlbSOI
HEATED SPYA)
ET RIEHT
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PUSH BUTTON SWITCh
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3s = BLACK WT - WrfiE RE - Rrr vi - EEEPI UE - YELLFd E? = GRE--5 59 = ERIJWN 81 - stx VI - i’l0LE-l
Printed in Germany - XXI. 1988
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$27.99
The manual you will receive contains all the necessary instructions for solving electrical problems in your car. This same manual is utilized by professional garages and workshops to address electrical issues.
By using this manual, you can potentially save a significant amount of money as it provides all the technical information required to solve electrical problems. It includes illustrations and diagrams, making it accessible even for individuals with limited electronics knowledge, enabling safe and straightforward car repairs.