Page of Service anual: SYSTE WIRING IGRS - P0 ENGINE PERFORNE >.L hevrolet Forward ontrol.l Eng P0 Fig :.L (VIN J), Engine Performance ircuits, otor Home hassis ( of ) SHFT POSITION (INTERNL TO ISTRIUTOR) SENS SIG / / RNKSHFT POSITION (ON LOWER RIFGHT FRONT OF ENGINE, EHIN TORSIONL PER) EVPORTIVE EISSIONS NISTER PURGE SOLENOI (T TOP LEFT ENTER OF ENGINE EHIN / OPRESSOR) ILE IR ONTROL VLVE OTOR (ON RIGHT SIE OF ENGINE T THROTTLE ORE INTKE) VEHILE SPEE (0N TRNSISSION, LEFT RER SIE) SENS HIGH SENS LOW POSIT SENS SIGNL V INJETOR NO. TRL LT LU 0 / / RIGHT SENS LO (PRE T) SENS LOW 0 / EVP N PURGE VLVE SENS HIGH EGR SOL TRL LEFT SENS HI (PRE T) LEFT POST T SENS HI RIGHT SENS HI (PRE T) RIGHT POST T SENS LO 0 0 LEFT POST T SENS HI LEFT SENS LO (PRE T) RIGHT POST T SENS LO / / / KP POSIT VSS RTN VSS SIGNL SIGNL 0 / / 0 / INJETOR NO. TRL - SOL TRL - SOL TRL T SOL TRL / ENLE 0 EGR POSIT INPUT INJETOR NO. TRL INJETOR NO. TRL ILE IR TRL HI (I) ILE IR TRL HI (I) INJETOR NO. TRL INJETOR NO. TRL KNOK SENS SIGNL 0 P SIGNL INTKE IR TEP SENS ET SENS SIGNL THROTTLE POSIT SENS TEP SENS INPUT SS IR FLOW SENS SIG ILE IR TRL LO (I) 0 ILE IR TRL LO (I) INJETOR NO. TRL INJETOR NO. TRL VEHILE ONTROL OULE (V) (OUNTE TO TOP OF RITOR SUPPORT) / / / / LT LU/ / / 0 / / LT LU/ LT LU/ / / / / / 0 / LT LU/ / / 0 / OPRESSOR ONTROL RELY (RIGHT SIE OF RIVER'S ISLN) KNOK (ON LEFT SIE OF ENGINE ELOW EXHUST NIFOL) KNOK (ON RIGHT SIE OF ENGINE HE OF STRTER) LEFT WHEEL SPEE (ON LEFT FRONT WHEEL SSELY) RIGHT WHEEL SPEE (ON RIGHT FRONT WHEEL SSELY) - NO. (ON RIGHT EXHUST PIPE HE OF

Page of Fig :.L (VIN J), Engine Performance ircuits, otor Home hassis ( of ) & STRT (RNK) H ENG- H 0 G G E- 0 I/P (OUNTE E LINER EGR SOLENOI VLVE (ON LEFT SIE OF INTKE PLENU) NO. NO. NO. / / / NO. / NO. LT LU/ NO. / NO. / NO. / / 0 / / / LT LU/ 0 / / / 0 / LT LU/ / / 0 INTKE IR TEP (OUNTE IN FRESH IR INTKE EHIN RIGHT SIE OF IR FILTER OX) G ( FRO OIL) - - - NO. (ON LEFT EXHUST PIPE HE OF NO. (ON RIGHT EXHUST PIPE EHIN OF NO. (ON LEFT EXHUST PIPE EHIN OF FLUI FORE TEPERTURE OTOR INTERNL UTOTI TRNSISSION

Page of Fig :.L (VIN J), Engine Performance ircuits, otor Home hassis ( of ) & STRT (RNK) F S J TRNS F 0 J 0 HOT T LL TIES F ENG-T F I/P (OUNTE INSTRUENT LUSTER SPEE ETER OIL PRESS SERVIE ENGINE SOON INITOR NIFOL SOLUTE PRESSURE (P) (OUNTE INTO INTKE NIFOL EHIN THEROSTT) 0 0 / G0 (LEFT SIE OF / LT LU/ 0 / LT LU/ 0 / / / HIGH PRESSURE UT-OFF SWITH (ON RER OF THE / OPRESSOR) R00 ( FRO REKOUT FOR UXILIRY OOLING FN) SS IR FLOW (OUNTE IN FRESH IR INTKE EHIN IR FILTER OX) (0 FRO REKOUT FOR GENERTOR G0 THROTTLE POSITION (ON RIGHT SIE OF INTKE PLENU T THROTTLE INTKE) ENGINE OOLNT TEPERTURE (ON ENTER LOWER LEFT SIE OF ENGINE YLINER HE) PUP/ OIL PRESSURE SWITH (ON ENGINE, TOP RER, EHIN ISTRIUTOR) ISTRIUTION SYSTE / PUP & SENER (ON TOP OF K) ( FRO RER/LP HRNESS) (FRO K ROSSEER) G

Page of Fig :.L (VIN J), Engine Performance ircuits, otor Home hassis ( of ) YLINER NO. YLINER NO. YLINER NO. YLINER NO. SPRK YLINER NO. PLUGS YLINER NO. YLINER NO. YLINER NO. ISTRIUTOR HIGH VOLTGE OIL WIRE PROVISION FOR THOETER / OIL (ON RKET T RER OF INTKE PLENU) 0 RKE/TRNSISSION INTERLOK (TSI) RELY (OUNTE ON TOP OF SUPPORT RKET T RIVER'S ISLN) / LT LU/ 0 / T/STOPLP 0 INPUT RUISE TRL J LT LU/ ENGGE SPEE K INPUT RUISE ONTROL OULE (ON RITOR SUPPORT RKET, EHIN LEFT SIE OF VEHILE ONTROL OULE) T LINK ONNETOR (L) (PRTIL) (OUNTE ON LEFT SIE SUPPORT RKET OF STEERING (0 FRO OLUN) REKOUT FOR ONNETOR UNER THE G0 (0 FRO GENERTOR) G0 HOT T LL TIES I/P F E I- E-T (OUNTE F E 0 TORQUE ONVERTER LUTH (T) & STOPLPS SWITH OR T STOPLP SWITH (OPENS W/RKE EPRESSE) (T RER OF RKE PEL SUPPORT RKET) EVPORTIVE EISSIONS NISTER INPUT PURGE VUU SPEE SWITH OIL RIVER (H TRNSISSION (TOP LEFT ENTER (ON RKET T ONLY) OF ENGINE EHIN RER OF INTKE PLENU) / OPRESSOR) PUP PUP PRIE RELY ONNETOR (T RELY ENTER RIGHT SIE OF IN SUPPORT T 0 RIVER'S ISLN) (0 FRO REKOUT FOR GENERTOR) G0 V RETURN / FORE TR FEE / 0 / ELE SPK TIING TRL SIG 0 PRESS SW SIG V REF EVP N PURGE V IN LT LU/ FORE TR RTN 0 /OR 0 /OR 0 SENS 0 0 PRESS SW SIG PRESS SW SIG / REQUEST SIGNL V REF 0 PP RLY TRL VSS SIGNL VSS OUTPUT / HEK ENGINE LP TRL 0 0 RKE SW INPUT 0 SERIL T 0 LT LU/ RUISE TRL SIG-ENGGE 00 SERVIE IRUIT POWER 00 SERVIE IRUIT POWER E VEHILE ONTROL OULE (V) (OUNTE TO TOP OF RITOR SUPPORT) G0 (0 FRO REKOUT FOR GENERTOR)

Page of Fig :.L (VIN N), Engine Performance ircuits, otor Home hassis ( of ) OXYGEN (IN EXHUST STRE HE OF UFFLER) & STRT (RNK) I/P J TRNS (OUNTE J 0 ILE IR ONTROL VLVE OTOR (ON LEFT SIE OF THROTTLE OY INTKE) KNOK (KS) (ON RIGHT SIE OF ENGINE HE OF STRTER) ILE IR VLVE TRL REF PULSE INPUT HI REF PULSE INPUT LO ILE IR VLVE TRL ILE IR VLVE TRL ILE IR VLVE TRL INJ TRL OXYGEN SENS INPUT P IG ENLE-POWERTRIN TP SENS IN INJ TRL YPSS VOLTS SENS SENS TRNS TEP INPUT ET SENS INPUT 0 0 LT LU/ 0 / LT LU/ / / 0 / / / 0 OR / 0 0 (0 FRO HSSIS HRNESS WIRES) LT GRN/ LT LT LT GRN/ LU/ LU/ K LU T LINK / ONNETOR (L) (PRTIL) (OUNTE ON LEFT SIE SUPPORT RKET OF STEERING OLUN) / / OIL PRESS INPUT P SENS INPUT KNOK SENS INPUT EGR INPUT 0 0 EGR SOL OUT E E E RNGE OE SEL RNGE OE SEL SERV ENG SOON IN TRL E E E E / / SOL OUT SOL OUT HIGH ILE SW OUT - TRL OUT E E E0 E E / RKE SW INPUT V REF TTERY RNGE OE SEL SPEE SENS INPUT HIGH SPEE SENS INPUT LO E E E E F F F F 0 0 / 0 / 0 F PP RLY TRL FORE OTOR HI SERIL T URT FORE OTOR LOW I OUTPUT VEHILE SPEE INPUT VEHILE SPEE INPUT V REF N PURGE SOL OUT POWERTRIN ONTROL OULE (P) (ON LEFT SIE OF RIVER'S ISLN) F F F F F0 F F F F F F LT LU/ 00 / / K LU LT GRN / LT LU/ / L P R N E S /T INPUT SPEE (ON UTO TRNSISSION LEFT ENTER) / / TRNS. TEP. RNGE OE SELETOR FORE OTOR EVPORTIVE NISTER PURGE SOLENOI (TOP LEFT ENTER OF INTKE NIFOL) ELETRONI -SP UTOTI OVERRIVE TRNSISSION

Page of Fig :.L (VIN N), Engine Performance ircuits, otor Home hassis ( of ) OR & STRT (RNK) H ENG- H 0 HOT T LL TIES E E- T E 0 F I- F I/P (OUNTE 0 (ONTT) RKE/TRNSISSION INTERLOK (TSI) RELY (OUNTE ON TOP OF SUPPORT RKET T RIVER'S ISLN) E LINER EGR SOLENOI VLVE (NO OPONENT LOTION VILLE) T/RKE SWITH OR TORQUE ONVERTOR LUTH (T)& STOP LPS SWITH (OPENS W/RKE PEL EPRESSE) (T RER OF RKE PEL SUPPORT RKET) T/STOPLP INPUT K VSS RUISE ONTROL OULE (ON RITOR SUPPORT RKET) THROTTLE POSITION (ON LEFT SIE OF THROTTLE OY) / / 0 ILE SPEE ONTROL TUTOR (ON THROTTLE OY) / / / / 0 0 NIFOL SOLUTE PRESSURE (P) (ON RKET OUNTE ON RIGHT SIE OF INTKE NIFOL) ENGINE OOLNT TEPERTURE (FRONT& ENTER OF ENGINE OOLNT INTKE) PUP & OIL PRESSURE INITOR SWITH (ON ENGINE, FRONT LEFT LOWER SIE EHIN TIING OVER) / / VEHILE SPEE (ON LEFT RER SIE OF TRNSISSION) VSS OUT / VSS RETURN V VSS LO VSS SIG VSS HI SEON. VSS VEHILE SPEE UFFER (ON RIVER'S ISLN SUPPORT OVE ELERTOR PEL) (0 FRO HSSIS HRNESS WIRES)

Page of Fig :.L (VIN N), Engine Performance ircuits, otor Home hassis ( of ) & STRT (RNK) G E G 0 & STRT (RNK) F S F 0 I/P (OUNTE HOT T LL TIES TTERY JUNTION (ON FORWR LEFT SIE OF ULKHE) FUSILE LINK G. S0 THROTTLE OY INJETOR NO. (ON TOP OF INTKE NIFOL) SPEE ETER OIL PRESS SERVIE ENGINE SOON INITOR INSTRUENT LUSTER STRT SWITH LOK OFF RUN THROTTLE OY INJETOR NO. (ON TOP OF INTKE NIFOL) 0 0 / / / G0 (LEFT SIE OF THOETER TEST LE OIL (ON RKET T RER OF INTKE PLENU) / HIGH VOLTGE OIL WIRE 0 / / IST. REF LO YPSS OULE 0 PUP PRIE ONNETOR IST. REF HI I / 0 PUP & SENER (ON TOP OF K) PIKUP OIL PUP RELY (T RELY ENTER RIGHT SIE OF IN SUPPORT T RIVER'S ISLN) (0 FRO HSSIS HRNESS WIRES) ISTRIUTION SYSTE ( FRO RER/LP HRNESS) (FRO K ROSSEER) G ISTRIUTOR