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Wiring
97
Wiring Diagram Type 928 S
Model 90
Coordinates
Sheet 1
1 - IO
Lights Row
l
Sheet 2
1 - 10
Lights USA
Sheet 3
il-
20
Body
Sheet 4
21 - 30
Instrument Cluster and Senders
Sheet 5
31 - 40
Engine Cooling, Heater, Air Conditioner
Sheet 6
41 - 50
Outside Mirror, Power Seat
Sheet 7
51 - 60
Seat and Mirror Memory
Sheet 8
61 - 70
Radio, Alarm System
Sheet 9
71 - 80
Antilock System, Tire Pressure Control,
Airbag, Porsche Lock Differential, Trailor
Coupling, Brake Pad Wear Indicator
Sheet 10
81 - 90
Motor, Fuel and Ingnition, Cruise Control
Sheet 11
91 - 100 Central Electric
Sheet 12
Sheet 13
Legend, M-Numbers
Constr. Components, Plug Connections,
Ground Points
Current Flow Diagram
97-339
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Summary of Contents for Porsche 928 S - 1990 WIRE DIAGRAM
- Page 1 Sheet 8 61 - 70 Radio, Alarm System Sheet 9 71 - 80 Antilock System, Tire Pressure Control, Airbag, Porsche Lock Differential, Trailor Coupling, Brake Pad Wear Indicator Sheet 10 81 - 90 Motor, Fuel and Ingnition, Cruise Control Sheet 11...
- Page 2 Wiring Diagram Type 928 S Model 90 The wiring diagram comprises of 11 individual wiring diagrams and 1 sheet construction components, plug connections and ground points and 1 sheet legend. They are subdivided into coordinate fields. Each individual wiring diagram comprises a part of the central-electrical system within a dash-dot frame.
- Page 3 Mode1bK.I Sheet LIGHTS r------ FLOOR LAMP POTENTIOMETER FOR FLOOR LAMP O.-IS RE , PASSENGER’S SIDE KL 31 vsKL.3: 1 HEAOLIGHT VERTICAL AIM 10 m 0.75 m OABWVT SI[lE TURN SL,,AL R,G,.,T j ;o;m .I-.- ,+;,., :: ~ u.75 Hi ,--&&f-j :;...
- Page 4 Wir?ing -.._ -_____.. -IL-- I---- FLOOR LAMP FLOCtR LAMP j: gj;q BULB CONTROL UNIT c :-: I ,I:;:: :., ;f:j::ji;: v- 4 :%A :::::::::: lM249) STARTER LOCKOUT ..::::::::::! AM3 BACKUP LAMP SWITCH 1 :::::: ..::(; :. :::: :” : ‘- TAIL LIGHTS RIGHT -E-T...
- Page 5 Model Sheet LIGHTS FLDOR LAMP FLOOR LAMP .::: .j;j CLOCK ‘:” I,:$ :‘. : ‘:’ :: ’ I :i: ,.:.:, w9a5m 1 a5- ’ J3 - HEAD1 IGHT : j; ASSEMBLY RI ,::;r : :. “-SE!: r SIDE MARKER 0RIVER.S SIOE un ;, LIGHT p kj’i’,’...
- Page 6 Wiring FLOOR LAMP FLOOR LAMP BULB CONTROL UNIT SIOE MARKER LIGHT CLOCK _-- ::::::: y-7:7:- ::::::: :::::: . ..:::_. ::::::: ::::::. :::::: :::::; .:::::: :::::: .-I. TAIL LIlZd-ITS RIGHT OOOR LOCK LIGHT &k . ..i.. PQSENGER’S SIOE l/VI HAZARD LIGHT SWITCH -‘*’...
- Page 7 Model Sheet BODY - _._.. -- .I ._.-_ ---...- .--- -_. _ -.- __-- __.._._. -m..mL E _____- 1 ..__ !-J ._.._. __----. _. _ .___. HEAOLIGHT WASHING WINDSHIELO WASliINE AUOITIONAL CLEANING FLUID PUMP FLUID PUMP r7nn.r POWER WINOOW “KIVC MOTORSUN REEULATDR LOCK CMINOERFOR CENTRAL FLFCTRK...
- Page 8 Wiring TAILGATE TAILGATE UNLOCKINI= UNLOCKING SWITCH IF1 SWITCH RIGHT .GATE UNLOCKING MP V -.I.-.-.-.-.-.-.-._I.-.-.-.-.-.-.-.-.-.-. r”T’-T- “pl ,7 $ (NYLJCI 258R REAR WINDOW WIPER MDTOR blc: i_--. ,:4:-K ,_: MP VI 5 II IRE n4luF!is (El cmTR4 ELEcTaC MP IXI AOOlTiONAL CLEANING IX FLUID PUMP 31 IGROUNOI MP II...
- Page 9 928 S Model 90 Sheet INSTRUMENT CLUSTER SENDERS RESISTOR INSTRUMENT LlGtlrS INOICATOR SWITCH PARKING BRAtiE CONTACT 7:; :y SWITCH ODOMETER BRAKE FLUID RESETTING RllW :;‘;hj INSTRUMENT Cl .USTER -.-.-‘m’m’-i MP IV 05 ELmi ZENOER - OUTSIDE TEMPERATURE a5 Vim 050vIE SENMR - CODLINE WATER TEMPERATURE lttli WH 4...
- Page 10 Wiring p .::;c~ ,iii:d~ a:: ::,::: :: ..::.::: I :: I .::::: :: ;..jj: :‘( t. ..! ., ” :’ : ._ .: .: : :, :; .: .: .: r :. !:: I.:::.::;: j..: :.::.. ” ::.:. ::: .. STARTER INTERLOCK SWITCH SWITCH [lOOMETER : :: .:::_::f...
- Page 11 Model Sheet I-llNnlTll7NIN~ SYSTFM ENGINE CODLING. HEATER, CCINDITIIINER THERM0 SWITCH . . --.. -. ..-..- -. -. -. EVAPORATOR FREEZING PROTECTION CONTROL SWITCH 0, rn.,CD PL.,IT,-” oFclCT*~rC CD, l.CLl”. rv3.L YA, DLUWCrr JWIIL” REAR WINOOW -_...- WELOING POINT BUTTON PANEL AC SWITCH DEFOGGER SWITCH “‘::::::::.
- Page 12 Wiring ___.-. ‘ -L---L- THERMD SWITCH EVAPORATOR- FREEZING PROTECTION BLOWER SWITCH RESISTANCE GROUP FRESH AIR BLOWER REAR WINoO\N PRESSURE .Z=OtENOIO CLUTCH 17 OMPRESSOR Ll;i:.‘.. OIL TEMPERATURE LMZ491 SWITIZZH TORQUE tONVERTER INAL AIR CONflIlIDNER ’ :::.:::_. ::.:; (MS701 .j:: y:.:j::::::.j f;;;;:;;;;,;:.;; 1: .:: BLOWER SWITCH EVAI...
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Page 13: Outside Mirror. Power Seat
YZIS ModelY0 Sheet OUTSIDE MIRROR. POWER SEAT B- c cl E F G H M!RROR PASSENGER'S SIOE IM261. MS281 --._--._.-- _I:i:_.:..__... . ,,, :::.._.._..1;: * ‘j I:’ .q ‘:“” CONNECTION POWER XAT RIGHT... - Page 14 Wiring _-._ ADJUSTABLE SEAT HEATING IMl39. M340) CONNECTION POWER BACKREST SEAT 4ENTS OELAYING RELAY SEAT RIGHT SEAT HEATER SWITCH p;iT 8: :::::: ijjjj’i;‘! SEAT HEATER AN0 POWERSEATRGHT a...:/ :::,j : :::::, --a-- “vi- :..‘:“: ‘..‘. :::” INVERSELY IDENTICAL -i---“” WITHLEFT WH337/330/340 WIRE HARId ss...
- Page 15 Model Sheet IM537. M5381 SEAT AND MIRROR MEMORY MEMORY SWITCH RIGHT WH 167 PASSENGER- SIOE yy ;; 0.5 GNAR ii :: : : :: :: ;j 5, ~~~~~~“~~:~~~ ;; :. l/i:’ ::::;I I’:::::::::::::‘:: q:::‘i;;;:‘:‘” ‘. .’ “:::. ei3ll ..ii. ii :i MIRROR ,i::::...
- Page 16 Wiring ‘ORT HEIGHT ly ~~>g+k+Y’l-YY-~&?$j l?:&“’ ,..__. RELAY UNIT 1OBM SEAT BACKREST ’ laemm [==j+&j&“’ ““’ “‘I ';- $qg~;j~~+;~;iii;g EL :::*:: ::::::::::. ELEC HEATING ELEMENT . ..-w.- FOR BACKREST KS ii2 1;” :;i~;:;;;~~i;;;;;’ ‘LOI ,..- -.- p;;;;;;;; :;jv; II Ea.3 .:j-rd, ii i~~-g:i .g.:Y.‘~‘:Y’.‘:...
- Page 17 Model90 Sheet RADIO. ALARM SYSTEM --.- --~-__ -___ .-_- --- ROOF ANTENNA bl326) SUPPRESSOR COIL (M326) TV q ALARM-PRIMED INOCATLIR LAMPS zzr j / (M533. M525) LEFT 1’ -. .7 i : :..:::I ::.::. NF-WIRE (NOT M3261 ::.‘:’ ::_..: :::a ::.::: ii?*: W’;163 lM3261 :...
- Page 18 Wiring G --L- N--L J----l L..I ALARM SYSTEM ALARM-PRIME0 INOICATOR LAMPS tM533. M5.251 IM533. M5251 &RM SYSTEM LEFT RIGHT TAILGATE LOCK jr;: I. : y j j :,:. _:.:: u:.:: ~00lTIONAL CONTRM ALARM SYSTEM FRONT RIGHT -.-.- OEEP RANGE SPEAKER REAR RIGHT ’...
- Page 19 Model Sheet ABS,TlRE PRESSURE CONTROL. AIRBAG. PORSCHE LOCK DIFFERENTIAL. BRAKE PAD WEARINIIICATORTRAILER COUPLING r--!i- .__--_..-- ..-- ~-.-- ..___ PSD. - PORSCHE CRASH SENSOR LEFT ABS - ANTILOCK SYSTEM (MS931 (M22ll LOCK DIFFE ..-- -'-.- :-I-r :.: :‘. -~~‘-‘::.~~,-r-:-T:- Y?-:y:TT - -:: ..
- Page 20 :- :: ....)#BAG ! : : : : : :.:::::.: ....k PoRSCHE CRASH SENSOR LEFT ..: ’ i ii i i CONTRM ,,N,T 0.5 UT ,+l593) : ..(M22'll ::_::::::::.
- Page 21 928 S Model 90 Sheet10 MOTOR, FUEL IGNITION, CRUISE CONTROL HALL SENT IGNITION COIL IGNITION COIL RIGHT LEFT WELOING POINT :::... : .,. ., ‘: CONNECTION WITH FIELD OATA ALTERNATOR IGNI’ IN CIRCUIT CON-t--R01 I : j ji / :-_: .-.
- Page 22 Wiring KNOCK SENSOR 2 KNOCK SENSOR 1 HALL SENUER lENl-ilDN IGNITION Coil MTHCAlNTLtR ERlDGE RIGHT LEFT My IX4V L’ - !LJl :.:i ‘I !Uli IGNITION CIRCUIT CONTROL ii\: I;ii MP II THERM0 ELEMENTS --MP ZK II ZK I l4l44- --MP __._ DISTRIBUTOR LEFT...
- Page 23 Y28 S Model YO Sheet II CENTRAL ELECTRIC StAb.43 “I 86 I-11 H 23 STARTER REAR WINDOW DEFOGGER DAYTIME RUNNING LIGHT FOG L’(,,T ;i;k, FUIE OUTPUT FU:E INPUT FU:E OUTPUT FUJE INPUT s 22 stAhe 7.5A [.:j-r: :‘i SkZUJA2 30.16 1 LOW EEA!4 LEFT 26 TWOTONE Nlma RLAX !dRuQW WPER...
- Page 24 Wiring 3’ X-VII 31b Sl.b23 XII c2 I-II VIII XII 49 STARTER FLAP CONTROL HEAOLIGHT CLEANERS FOG LIGHT REAR WINDOW OEFOGGER DAYTIME RUNNING LIGHT FOG :HT ;;ki& ‘UT XN 86 ” 24 7...:* ..?..-. yY:;‘+ “1 ..:. I:.y:: ‘:. :::: 1”:’...
- Page 25 S REAR PI. PI0 - OOOR Cot OOORCOi LIGHTS CENTRAL ELECTRIC --.- MOTOR POWER WINOOW LEFT OOOR SEAT BELT 022 ~ ACCELERATING SENSOR PORSCHE OlFFERENTlAL LOCK - K73 -9 MOTORPOWER WINDOW RIGHT OOOR SEAT HEATER COM~IIAT SEAT OP41.42 - OOOR CO:...
- Page 26 H37.38 - ORIVC CENTRAL LOCKS RIGHT DOOR --- MN11 - OTENTIOMETER FOR INSTRUMENT LIGHT E2 -~ CONTROL UNIT ABS / PSD PORSCHE LOCK OIFFERENTIAL- 0-J71.72 - OELAYING RELAY SEAT HEATER M42--- M 528 OUTSIOE MIRROR KONVEX PASSENGER’S SIOE OTENTIOMETERIDLE SPEED CO .~---.
- Page 27 Model Sheet ‘I3 CONSTR. COMPONENTS.PLUG CONNECT.,GROUND POINTS .-. -L- - __--- -___-..-.-- CONSTRUCTION COMPONENTS PLUG CONNECTIONS NUMBER F’;W;;~N IN FIELD IN F’~“I::oE” OESIGNATION. FUNCTIClN NOTE CODE OF WIRING DIAGRAMM PINS RESIGNATION, FUNCTION NOTE LHD RHD LHCI RHIXIB ABS/PllRSCHE OIFFER. LOCK CONTROL UNIT--- IN DRIVER'S FOOTWELL ON SIOE Tl---2 CDI,...
- Page 28 Wiring -z---I -l-zL- _---..A ..-- ‘LUG CONNECTIONS GROUND POINTS NUMBER PE&N IN FIELD IN ;;.WS;N IN :ODE OF PINS [IESIGNATION. FUNCTION WIRING DIAGRAMM COOE DESIGNATION. FUNCTION NOTE NOTE EiK. LHO RHO Tl---- 2 ---- GLOVE BOX LAMP --- Ccll,P13 MPI -- BODY FRONTLLFT ICO - ICO -...
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