Diagram sections — 32 (45 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (2 of 2) for Cadillac Catera 1999 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac Catera 1999: 43 (a/c harn, inside ecm housing) (a/c harn, left front of engine compt) (a/c harness, inside ecm housing) (left front of engine compt) Auxiliary engine coolant fan 1 (left front of radiator) Auxiliary engine coolant fan 2 (right front of radiator) Auxiliary heater water pump (left front of engine compt) Auxiliary water pump (right of battery) Auxiliary water pump relay k22 Battery Ecm housing (left front of engine compt) Engine coolant fan Engine coolant fan resistor (below battery) Fan control relay k26 Fan control relay k28 Fan control relay k52 Fan control relay k67 Fan control relay k87 Fuse 40 30a Fuse 42 40a Fuse 50 10a Fuse 52 30a G100 (left front of engine compt) G103 G103 (left front of engine compt) Of engine compt) Red S108 S109 S111 S112 S113 S114 S115 S116 S117 S118 S125 S137 Temperature switch 1 (upper left side of radiator) Temperature switch 2 (in lower left side of radiator) Test connector Y red Compressor Wiring Diagram for Cadillac Catera 1999 List of elements for Compressor Wiring Diagram for Cadillac Catera 1999: 31 (i/p harn, near dlc breakout) A/c compressor clutch coil A/c compressor clutch diode A/c compressor refrigerant pressure switch (left front of engine compt) A/c compressor relay A/c cutout A/c load switch (left front of eng compt) A/c request A/c request output A/c request signal Bp900 C1 fm8 Cooling fans system Ecm housing (left front of engine compt) Engine control module Fm340 Fp120 Fuse block G103 (left front of engine compt) Heater and a/c control Heater blower fuse 33 30a Hot at all times Hot in on or start O/s mirror fuse 13 10a Red Relay control S110 (a/c harn, left front of engine compartment) S160 (a/c harn, in ecm housing) Temperature switch 2 (in lower left side of radiator) Transmission controls system Xy360
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Cadillac Catera 1999 List of elements for Anti-lock Brake Wiring Diagrams for Cadillac Catera 1999: 95 (i/p harn, near multifunction relay breakout) (left front of engine compt) (lower left side of steering column) data link connector 12v A290 A291 Abs can hi Abs can lo Abs fuse 19 10a Abs indicator Antilock brake ind Asv 1 valve solenoid Asv 2 valve solenoid Brake pressure modulator valve (bpmv) Can interface high Can interface low Clamp 15 cruise fuse 15 15a Electronic brake/traction control module (ebtcm) (lower left front of eng compt) Electronic traction control switch Engine control module (left front of engine compt) F350 F372 F390 Fa202 Fb301 Fuse block Fuse v1 80a G100 G100 (left front of engine compt) Ground Hot at all times Hot in on or start Hzd fuse 12 20a Ign Instrument cluster Interior lights system Kf speed sens hi Left front inlet valve solenoid Left front outlet valve solenoid Left front wheel speed sensor Left rear inlet valve solenoid Left rear outlet valve solenoid Left rear wheel speed sensor Lf speed sens lo Lr speed sens hi Lr speed sens lo Nca P350 Pa253 Pa900 Pm253 Power distribution fuse box Power top, electronic suspension, anti-theft, a/c, electronic power steering, and instrument cluster systems Pu251 Pump motor Pump mtr ctrl relay Red Rf speed sens hi Rf speed sens lo Right front inlet valve solenoid Right front outlet valve solenoid Right front wheel speed sensor Right rear inlet valve solenoid Right rear outlet valve solenoid Right rear wheel speed sensor Rr speed sens hi Rr speed sens lo S200 S206 S210 S229 S248 Serial data Stop lamp sw signal Stoplight switch (attached to brake pedal) Tc indicator Tcs valve solenoid control signals Traction control ind Traction control sw Usv 1 valve solenoid Usv 2 valve solenoid Valve power output Valve solenoid control signals Vss Xa105 Xa253 Xb105 Xb305 Xm218 Xm253 Xr12 Xr888 Xu251 Xy29 Xy888
ANTI-THEFT Anti-theft Wiring Diagram for Cadillac Catera 1999 List of elements for Anti-theft Wiring Diagram for Cadillac Catera 1999: 100 (left front of engine compt) (left front of engine compt) g100 A17 A910 Am810 B10 Battery Body control module (mounted on the right "a" pillar, behind the trim panel) Bulb test C12 Check engine indicator (mil) Clamp 15 cruise fuse 15 15a Computer data lines system Data link connector (dlc) (lower left side of steering column) Door jamb Door lock switch Electronic brake/ traction control module (on left front of the engine compt, mounted to the lower rail) Engine control module (on left front of the engine compt, in the ecm housing) Ext lp power Exterior lights system F150 F910 Fuse block Fuse v1 80a Fuse v6 80a Fx803 Fy803 G100 G200 (base of left "a" pillar) Gauge cluster Ground Headlights system Horn Horns system Hot at all times Hot in on, bulb test or start Hzd fuse 12 20a Ign sw sig Ignition Ignition switch Instrument cluster Key disarm Left front side door jamb switch Left front side door lock switch Left rear side door jamb switch Lock Low beam rly Mil ctrl Off Pa13 Pa14 Pa900 Pk lights out Power distribution fuse block R/cmpt sw R899 Rear compartment courtesy lamp switch Red Remote control door lock receiver (in the rear compartment. below the left side of the rear window trim panel) Right front side door jamb switch Right front side door lock switch Right rear side door jamb switch S200 S203 (body harness, near bcm) S214 S222 (i/p harness, left side of dash) S229 S245 S250 S309 (body harn, base of right "a" pillar) S312 (body harn, base of right "a" pillar) S314 (body harness, 23 cm from remote control door lock receiver breakout) S317 S319 S502 S602 Security ind Security indicator Serial data Start Theft det out Theft deterrent module (mounted to the ignition lock cylinder) Theft req sig Un- lock Unlock Vss Vss out Vss/theft signal X899 Xa810 Xm 832 Xm 834 Xm15 Xm810 Xm899 Xm9 Xp21 Xp22 Xp840 Xy810
BODY COMPUTER
COMPUTER DATA LINES Computer Data Lines for Cadillac Catera 1999 List of elements for Computer Data Lines for Cadillac Catera 1999: 46 Am/fm stereo radio & tape player & compact disc player Automatic level control sensor (rear differential) B03 B09 Base Body control module (bcm) (right "a" pillar, behind trim) Cellular telephone Data link connector (dlc) (attached to dash carrier, lower left side of steering column) Driver seat adjuster memory module (attached to underside to driver's seat) E&c serial Electronic brake/ traction control module (ebtcm) (on left front of engine compt, mounted to lower rail) Engine control module (ecm) (on left front of engine compt, in ecm housing) Fuse block G100 (left front of engine compt) Heater and a/c control Hot at all times Hzd fuse 12 20a Inflatable restraint sensing and diagnostic and seat belt pretensioner module (under center console, near parking brake lever) Instrument cluster Power steering control module (under left side of dash) Red Remote control door lock receiver (in rear compt, below left side of rear window trim panel) S203 (body wiring harness, 3 cm from bcm conn harn breakout) S204 (dash wiring harness, near breakout to multi-function relay conn) S210 (dash wiring harness, near breakout to multi-function relay conn) S229 S248 Serial data Sound processor interface Sun roof actuator (front center of roof, above inside rearview mirror) Theft deterrent module (mounted to ignition lock cylinder, upper right side of steering column) Transmission control module (tcm) (behind right side of dash) Up-level Xm10 Xm100 Xm110 Xm12 Xm15 Xm218 Xm45 Xm500 Xm55 Xm700 Xm830 Xm88 Xm900
COOLING FAN Cooling Fan Wiring Diagram for Cadillac Catera 1999 List of elements for Cooling Fan Wiring Diagram for Cadillac Catera 1999: 48 (a/c harn, inside ecm housing) (a/c harn, left front of engine compt) (a/c harness, inside ecm housing) (left front of engine compt) A/c compressor refrigerant pressure switch (left front of engine compt) A/c system Auxiliary engine coolant fan 1 (left front of radiator) Auxiliary engine coolant fan 2 (right front of radiator) Auxiliary water pump (left front of engine compt) Auxiliary water pump (right of battery) Auxiliary water pump relay k22 Battery Body control module Clamp 15a fuse 10 10a Ecm housing (left front of engine compt) Engine coolant fan Engine coolant fan resistor (below battery) Fan control relay k26 Fan control relay k28 Fan control relay k52 Fan control relay k67 Fan control relay k87 Fuse 40 30a Fuse 42 40a Fuse 50 10a Fuse 52 30a Fuse block G103 G103 (left front of engine compt) Hot in run Of engine compt) Red S108 S109 S111 S112 S113 S114 S115 S116 S117 S118 S125 S137 Temperature switch 1 (upper left side of radiator) Temperature switch 2 (in lower left side of radiator) Test connector Y red
CRUISE CONTROL Cruise Control Wiring Diagram for Cadillac Catera 1999 List of elements for Cruise Control Wiring Diagram for Cadillac Catera 1999: 60 (ecm harness, near ecm connector) s121 Accelerator pedal position sensor (on top of accelerator pedal) App 1 signal App 2 signal Clamp 15 cruise fuse 15 15a Clamp 15 pbls fuse 2 10a Cruise control release switch (attached to brake pedal) Cruise control switch Cruise ind Cruise ind control Cruise release signal Engine control module (left front of engine compt) Engine control system Exterior lights system Fa300 Fa7 Fb300 Fb500 Fm20 Fm30 Fr56 Fuse block Fx500 Fx888 Hot at all times Hot in on or start Hzd fuse 12 20a Instrument cluster M24 Nca Off On/off signal Pf102 Red Ref ground Resume/ decel Resume/decel signal S200 S208 S229 S253 (i/p harness, near breakout to g201) Set/ accel Set/accel signal Stop lamp signal Stoplamp switch) Stoplight switch (attached to brake pedal) Throttle position sensor (on throttle body assembly) Throttle valve mtr + Throttle valve mtr - Tp sensor 1 signal Tp sensor 2 signal Xa40 Xb20 Xb40 Xf8 Xm801 Xp53 Xr24 Xu25 Xu5
DEFOGGERS Defogger Wiring Diagram for Cadillac Catera 1999 List of elements for Defogger Wiring Diagram for Cadillac Catera 1999: 31 Am/fm stereo, tape & cd player Antenna in Antenna out Battery power Clamp 15 fuse 14 20a Coax lead Defogger input Defogger switch Fuse block G100 (left front of engine compt) G200 (base of left "a" pillar) Ground Heated outside rear mirror & rear window defogger relay (right side of steering column, on relay box) Heater & a/c control Hot at all times Hot in on and start Htd mirror fuse 11 10a Left outside rearview mirror Radio antenna amplifier (on top of rear deck, under trim panel) Radio on input Radio on output Rear defogger Red Right outside rearview mirror Rr wdo defog fuse 34 40a S220 S251 S270 S502 S602 Solid state timer
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Cadillac Catera 1999 List of elements for Electronic Power Steering Wiring Diagram for Cadillac Catera 1999: 29 (+) (-) (1998) (key word 82) data (left front of engine compartment) g100 1995 vftc c Computer data lines system Data link connector (dlc) Electronic brake/ traction control module (ebtcm) (on left front of engine compartment, mounted to lower rail) F88 Flasher fuse 3 10a Fr4 Fuse block (mounted to dash, on lower left side of steering column) Fy102 Ground Hot in on or start Ignition Pa12 Pa900 Power steering control module (under left side of dash) Power steering fluid flow control valve actuator (1998: attached to power steering pump) (1999 - 00: attached to power steering gear) S210 (i/p wiring harness, near breakout to multifunction relay) S212 S222 (i/p wiring harness, near left side of dash, near relay box) S252 Vss input Vss output X83 Xm88
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Cadillac Catera 1999 List of elements for Electronic Suspension Wiring Diagram for Cadillac Catera 1999: 36 (i/p harn, left side of dash, near relay box) s226 (lower left side of steering column) data link connector A105 Alc fuse 27 20a Anti-lock brakes system Automatic level control sensor (attached to the right side of the rear differential) B25 Clamp 15 cruise fuse 15 15a Electronic brake/traction control module (left front of engine compt, mounted to the lower rail) Exhaust control F210 Fuse block (mounted to dash, lower left side of steering column) G100 (left front of engine compartment) Gauge cluster Ground Hot at all times Hot in on or start Ignition Leveling warning ind M101 Pa909 Positive battery Rear suspension leveling air compressor (right front of vehicle) Rear suspension leveling air compressor relay (right side of steering column, on relay box) Red Relay control S103 S136 S319 Serial data Vehicle speed signal Vss Warning ind X300 Xm900 Xy1
ENGINE PERFORMANCE
3.0L 3.0L VIN R, Engine Performance Wiring Diagrams (1 of 3) for Cadillac Catera 1999 List of elements for 3.0L VIN R, Engine Performance Wiring Diagrams (1 of 3) for Cadillac Catera 1999: 89 (ecm harn, near ecm connector) (injector harn, top front of engine block) 5v ref Camshaft position sensor (front of engine block) Condenser (near ignition coil) Crankshaft position sensor (left rear of engine block) Ecm gnd Engine control module (left front of engine compartment) Evap sol F100 F28 Fa70 Fa71 Fb60 Fb61 Fm20 Fm30 Ho2s htr Ho2s sig Ig cyl 1 Ig cyl 2 Ig cyl 3 Ig cyl 4 Ig cyl 5 Ig cyl 6 Ignition coil (1,3,5) Ignition coil (2,4,6) Inj 1 Inj 2 Inj 3 Inj 4 Inj 5 Inj 6 Intake res Intake sol Knock sensor bank 1 (right side of engine block) Knock sensor bank 2 (left side of engine block) M24 M381 Nca Pf102 Ra20 Ref gnd Rf50 Rf51 Rf78 S123 S124 S130 S132 S150 Sequential multiport fuel injectors Throt val To spark plugs Tp sens 1 Tp sens 2 Xa34 Xa43 Xa61 Xa610 Xb17 Xb20 Xb40 Xf15 Xm30 Xm309 Xm40 Xm70 Xm950 Xm951 Xp18 Xp19 Xp35 Xp53 Xp960 Xp961 Xr11 Xr61 Xu16 Xu35 Xu410 Xu420 Xu462 Xu464 Xu5 Xu7 Xu950 Xu960 Xy33 3.0L VIN R, Engine Performance Wiring Diagrams (2 of 3) for Cadillac Catera 1999 List of elements for 3.0L VIN R, Engine Performance Wiring Diagrams (2 of 3) for Cadillac Catera 1999: 36 (ecm harn, near ecm conn) (ecm harn, near ecm connector) (ecm harness, near ecm connector) (left front of engine compt) g100 (left front rail below wheelhouse) secondary air injection pump Acc Accelerator pedal position sensor (top of accelerator pedal) Ecm housing (left front of engine compt) Evap purge solenoid valve (right rear of intake manifold) Evap tank solenoid valve (top of fuel tank) Fuse 43 30a Fuse 49 50a Heated oxygen sensor bank 1 position 1 (right front exhaust pipe) Heated oxygen sensor bank 1 position 2 (right rear exhaust pipe) Heated oxygen sensor bank 2 position 1 (left front exhaust pipe) Heated oxygen sensor bank 2 position 2 (left rear exhaust pipe) Hot at all times Hot at all times hot at all times Ignition switch Information not available Intake plenum switchover solenoid valve (left rear of engine) Intake resonance switchover solenoid valve (rear of resonance chamber) Lock Nca Red Run S109 S121 S128 S129 S131 S214 Secondary air injection pump relay (left front of engine compt) Secondary air injection pump solenoid valve (front center of engine compt) Start Throttle position sensor (on throttle body assy)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Cadillac Catera 1999 List of elements for Back-up Lamps Wiring Diagram for Cadillac Catera 1999: 10 Automatic transmission range switch (left side of transmission housing) Flasher fuse 3 10a Fuse block (mounted to dash, on lower left side of steering column) G404 (left rear corner of rear compt, near left taillamp) Hot in on or start Left backup lamp Power mirrors system (automatic day/ night mirror) Right backup lamp S212 S403 Exterior Lamps Wiring Diagram for Cadillac Catera 1999 List of elements for Exterior Lamps Wiring Diagram for Cadillac Catera 1999: 82 (body harn, at lower left "a" pillar) s316 (body harness, at lower left "a" pillar) (body harness, at lower left "a" pillar) s260 (body harness, near relay box branch breakout) (dash harn, near dlc breakout) s218 (i/p harness, near cluster connector breakout) (left front of engine compartment) g100 (left frt of engine compt) g100 (rear license lamps harness) s401 Am810 Am899 B10 Body control module (bcm) (mounted on the right "a" pillar, behind trim panel) C12 Center taillamp Clamp 58 fuse 10a Corner of rear compt, Corner of rear compt, near left taillamp) Flasher fuse 3 10a Fuse block Fuse v5 80a G100 (left front of engine compartment) G404 (left rear G404 (left rear corner of rear compt, near left taillamp) Hazard warning switch Head Headlamp switch High mounted stop lamp (aux) Hot at all times Hot in on or start Hot w/ low beams on Hzd fuse 12 20a Instrument cluster Interior lights Left Left stop/ tail- lamp Left cornering lamp Left front park/turn lamp Left front side marker lamp Left license lamp Left rear side marker Left stop lamp Left turn Lo beam rh fuse 31 10a Near left taillamp) Off Park Park lamp relay (right side of steer column, on relay box) Power distribution fuse block Prk lp left fuse 23 10a Prk lp right fuse 30 10a Red Right Right cornering lamp Right front park/turn lamp Right front side marker lamp Right license lamp Right rear side marker Right stop lamp Right stop/ tail- lamp Right turn S101 S102 (front lamp harness, left front engine compartment) S103 S207 (i/p harn, near breakout to hdlmp switch) S212 S229 S230 S246 S248 S251 S261 S318 (body harness, base of left "a" pillar) S325 S400 S402 S403 S411 (body harn) Stop lamp switch (attached to brake pedal) Turn signal flasher (on relay box) Turn signal switch Xm810
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Cadillac Catera 1999 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Cadillac Catera 1999: 101 (a/c harness, left front of engine compt) (body harn, 23 cm from remote door lock receiver breakout) (body harn, at base of left "a" pillar) (body harn, at ebtcm) (body harn, base of left "a" pillar) (fwd lamp harn, left front of eng compt) (i/p harn, near brake fluid minimum capacity sensor) (i/p harn, near relay box) (i/p harn, right rear of eng compt) (nozzle heater harn, right rear of eng compt) (sunshade harn, base of right "a" pillar) s106 Automatic level control sensor Auxiliary engine coolant fan 2 Auxiliary water pump Auxiliary water pump relay Battery Blower controller Body control module Brake fluid minimum capacity sensor C01 Compressor refrigerant pressure switch Coolant fan test connector Cooling fluid minimum capacity sensor Cruise control module Dome and reading lamp Door lock relay Driver seat adjuster memory module Driver seat adjuster switch Driver seat cushion heater Electric coolant fan Electronic brake/traction control module Engine control module Engine oil level sensor Fan control relay (k52) Fan control relay (k87) Fuel pump G100 (left front of engine compartment) G100 (left front of engine compt) G110 (on engine block, below power steering pump) Gauge cluster Heater and a/c control Heater water auxiliary pump Ignition coil bank 1 Ignition coil bank 2 Inflatable restraint sensing and diagnostic and seat belt pretensioner module Inside rear view mirror Instrument cluster Left cornering lamp Left fog lamp Left front wheel speed sensor shield Left headlamp Left headlamp relay Left park/turn signal lamp Left rear wheel speed sensor shield Left roof rail courtesy lamp Left seat belt switch Left sunshade illuminated mirror Left windshield washer nozzle Multi- function relay Passenger seat adjuster switch Passenger seat cushion heater Power steering control module Primary cooling fan temperature switch Rear suspension leveling air compressor Remote control door lock receiver Right cornering lamp Right fog lamp Right front disc brake pad wear sensor Right front wheel speed sensor shield Right headlamp Right park/turn signal lamp Right rear wheel speed sensor shield Right roof rail courtesy lamp Right sunshade illuminated mirror Right windshield washer nozzle S103 S104 S105 S107 S109 S130 S137 S140 S146 S205 S252 S301 S317 S321 S410 Secondary air injection pump Secondary air injection pump relay Secondary cooling fan temperature switch Sun roof actuator To gauge cluster (diagram 2 of 2) To hazard switch (diagram 2 of 2) Transmission control module Windshield washer pump Windshield washer solvent level switch Windshield wiper motor Windshield wiper motor relay Ground Distribution Wiring Diagram (2 of 2) for Cadillac Catera 1999 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Cadillac Catera 1999: 90 (body harness, 70 cm from console wiring breakout) (i/p harn, near hvac connector breakout) (i/p harn, near relay box) (i/p harness, near instrument cluster breakout) (left front door harness, front of door) (left rear door harn, in left rear door) (rear compt harn) (rear seat harness, below left side of rear seat) (right front door harness, front of door) (right rear door harn, in right rear door) (w/ w8y) (w/o w8y) Automatic transmission control indicator Automatic transmission shift lock control switch Automatic transmission shift lock/ unlock switch Automatic transmission winter mode switch Auxiliary brake lamp Cd changer Cellular telephone Cigarette lighter (console) Cigarette lighter (front) Data link connector Door lock switch Driver seat heater relay Driver seat heater switch E16 Electronic traction control switch From g100 (diagram 1 of 2) From heater and a/c control (diagram 1 of 2) Fuel pump Fuel tank filler door lock release switch G200 (base of left "a" pillar) G202 (left side of dash, near relay box) G404 (left rear corner of rear compartment, near left taillamp) Gauge cluster Hazard warning switch Headlamp switch Heated outside rear view mirror and rear window defogger relay Horn relay I/p compartment lamp switch Inflatable restraint steering wheel module coil Left Left backup lamp Left front side door lock switch Left front side door window regulator motor Left outside rear view mirror Left rear Left rear license lamp Left rear seat cushion heater Left rear seat cushion heater relay Left stop/ taillamp Middle taillamp Outside remote control rear view mirror switch Passen- ger seat heater switch Passenger seat heater relay Radio Radio speaker amplifier Rear compartment lid release switch Rear seat heater switch Rear sunshade motor Right Right backup lamp Right front side door lock switch Right front side door window regulator motor Right front side door window switch Right outside rear view mirror Right rear license lamp Right rear seat cushion heater Right rear seat cushion heater relay Right rear side door window regulator motor Right rear side door window switch Right stop/ taillamp S232 S248 S250 (i/p harn, near instrument cluster breakout) S251 S270 S400 (body harness, 23 cm from remote door lock receiver connector breakout) S402 (rear lamp harness, near right taillamp) S403 S502 S700 S800 Side door window regulator motor Side door window switch Sound processor interface Sport mode switch Theft deterrent module Transmission control selector switch Turn signal lamp flasher
HEADLIGHTS
HORN Horn Wiring Diagram for Cadillac Catera 1999 List of elements for Horn Wiring Diagram for Cadillac Catera 1999: 21 Body control module (bcm) (mounted on right "a" pillar) C04 c2 Fuse block (mounted to dash on lower left side of steering column) G100 (left front of engine compt) G202 (left side of dash, near relay box) Horn 1 (behind left front facia) Horn 2 (behind left front facia) Horn fuse 17 20a Horn relay Horn relay (right side of steering column, on relay box) Horn switch Hot at all times Inflatable restraint steering wheel module coil Radio fuse 8 15a Red S219 (located in steering wheel) S232 S241 S251 S266 (body harness near g200 breakout, at left kick panel) S322
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Cadillac Catera 1999 List of elements for Courtesy Lamps Wiring Diagram for Cadillac Catera 1999: 74 (body harn, base of left "a" pillar) (left front of engine compt) +5v All door jamb Body control module (mounted on right "a" pillar, behind trim panel) C13 Clamp 15 cruise fuse 15 15a D16 Delayed int lp rly Dome and reading lamps Dome lamp fuse 29 10a F830 Fuse block (lower left side of steering column) G100 G100 (left front of engine compt) G200 (base of left "a" pillar) Headlamp automatic control ambient light sensor (mounted on top of dash) Headlamp switch Heater and a/c control Hot at all times I/p compartment lamp I/p compartment lamp switch Inside rear view mirror Instrument cluster system Int lps on/off Interior lamp rly Interior lights switch Left front side door courtesy lamp Left front side door jamb switch Left front side door lock switch Left rear side door courtesy lamp Left rear side door jamb switch Left roof rail courtesy lamp Left sunshade illuminated mirror lamp Multi- function relay (under left side of dash) Nca Nca a R899 Rear comp ctsy lp Rear compartment courtesy lamp Rear compartment courtesy lamp switch Red Red/ Red/ (right front door harn, near base of right "a" pillar) Right front side door courtesy lamp Right front side door jamb switch Right front side door lock switch Right rear side door courtesy lamp Right rear side door jamb switch Right roof rail courtesy lamp Right sunshade illuminated mirror lamp S103 S200 S205 S248 S251 S262 (i/p harn, near dlc connector breakout) S270 S301 S326 S327 (body harn, base of left "a" pillar) S410 S502 S506 S602 S603 Ts day/night X812 Xm9 Xp33 Xp830 Xy112 Xy800 Xy801 Instrument Illumination Wiring Diagram for Cadillac Catera 1999 List of elements for Instrument Illumination Wiring Diagram for Cadillac Catera 1999: 56 (3 bulbs) (body harness, at base of left "a" pillar) (i/p harness, left side of dash) (i/p harness, near dlc breakout) Am810 Am899 Automatic transmission control indicator B10 Body control module (mounted on right "a" pillar, behind trim panel) C12 Clamp 58 fuse 26 10a Console cigarette lighter D09 Driver seat heater switch E16 Electronic traction control switch Ext lamp pwr Front cigarette lighter Fuel tank filler door lock release switch Fuse block Fuse v5 80a G100 (left front of engine compt) G200 (base of left "a" pillar) G202 (left side of dash, near relay box) Gauge cluster Hazard warning switch Head Headlamp switch Headlights system Heater and a/c control Hot at all times Instrument cluster Left rear seat heater switch Off Park Park lamp relay (on right of steering column, on relay box) Passenger seat heater switch Pk lamp rly Power distribution fuse block (on left front of engine compartment) Radio Rear compartment lid release switch Red Right rear seat heater switch S207 (i/p harn, on headlamp switch connector branch) S213 S225 S232 S246 S248 S250 S251 S252 S270 S323 Solid state dimmer Xm810
MEMORY SYSTEMS Memory Seat & Mirrors Wiring Diagram (1 of 2) for Cadillac Catera 1999 List of elements for Memory Seat & Mirrors Wiring Diagram (1 of 2) for Cadillac Catera 1999: 58 10 k 5 volts A40 Back rest backward Back rest forward Battery C3a C3b C4a C4b C5a C5b C6a C6b C7a C7b C7c Clamp 15 cruise fuse 15 15a Data link connector (lower left side of steering column) Door sw in Driver seat adjuster memory module (attatched to underside of driver's seat) Driver seat adjuster switch Driver seat recliner actuator motor F40 Forward/backward seat adjuster actuator motor Front height seat adjuster actuator motor Fuse block G100 (left front of engine compt) Ground Hot at all times Hot in on, bulb test or start Ignition Left front side door jamb switch Memory key Mtr control Nca Personal key 1 Personal key 2 Personal key 3 Position in Pwr seat fuse 35 3oa Rear height seat adjuster actuator motor Red Rm12 S204 (i/p harn, near multi-function relay module breakout) S264 (body harn, near g200 breakout at lower left "a" pillar) S308 S320 S321 Seat backward Seat foward Seat front height down Seat front height up Seat rear height down Seat rear height up Serial data X13 Xm55 Memory Seat & Mirrors Wiring Diagram (2 of 2) for Cadillac Catera 1999 List of elements for Memory Seat & Mirrors Wiring Diagram (2 of 2) for Cadillac Catera 1999: 42 (body harn, 120 cm from breakout to 107 pin conn at base of left "a" pillar) (body harn, in console branch, 5 cm from breakout) (left front door harn, 26 cm from door to body harn conn) (left front door harn, 31 cm from door to body harn conn) (left front door harn, 31 cm from mirror conn) Air conditioning system B12 Defogger system Driver seat adjuster memory module (attached to underside of driver's seat) Fa75 Fuse block Fx75 G200 (base of left "a" pillar) Hot in on, bulb test or start Inside rear view mirror Left Left outside rear view mirror O/s mirror fuse 13 10a Outside remote control rear view mirror switch P70 Pa60 Pm60 R60 R65 R70 Rb60 Rf60 Right Right outside rear view mirror Ru50 Ru60 S133 S134 S135 S305 S306 S500 S502 S504 S505 U80 X75
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Cadillac Catera 1999 List of elements for Power Distribution Wiring Diagram (1 of 2) for Cadillac Catera 1999: 120 (body harn, 70 cm from console branch) s272 (body harn, 70 cm from console wiring branch) (body harn, base of left "a" pillar) (body harn, base of left "a" pillar) s320 (body harn, base of right "a" pillar) (body harness, left "b" pillar) (body harness, near base of left "a" pillar) (i/p harness, near data link connector breakout) (i/p harness, near instrument cluster branch) s229 (i/p harness, near malfunction relay) (rear seat harn, below left seat) A/c compressor relay Alc fuse 27 20a Audio fuse 6 20a Automatic level control sensor B03 Battery Blower controller Body control module Cd changer Cig fuse 16 20a Clamp 30 a/t fuse 5 10a Console cigarette lighter Data link connector Daytime running lamp relay Dome lamp fuse 29 10a Door lock fuse 28 20a Door lock relay Driver seat adjuster memory module Driver seat adjuster switch Driver seat heater relay Ecm housing (left front of engine compt) Electronic brake/ traction control module Engine control module Engine controls power relay Fan control relay (k26) Fan control relay (k28) Fan control relay (k67) Fan control relay (k87) From fuse v5 (diagram 1 of 2) Front cigarette lighter Fuel pump relay Fuse 10a Fuse 30a Fuse 40a Fuse 50a Fuse block Fuse v1 80a Fuse v4 80a Fuse v5 80a Fuse v6 80a G100 (left front of engine) compt) G200 (left kick panel) Gauge cluster Generator Hazard warning switch Headlamp switch Heated outside rear view mirror and rear window defogger relay Heater and a/c control Heater blower fuse 33 30a Hi beam lh fuse 21 10a Hi beam rh fuse 32 15a Horn 1 Horn 2 Horn fuse 17 20a Horn relay Htd seat front fuse 20 30a Htd seat rear fuse 4 30a Hzd fuse 12 20a Instrument cluster Left front side door window regulator motor Left front side door window switch Left headlamp relay Left rear seat cushion heater relay Left rear side door window regulator motor Low beam relay Multi- function relay Multifunction relay Park lamp relay Passenger seat adjuster switch Passenger seat heater relay Power distribution fuse block Pwf fuse 1 30a Pwr fuse 7 30a Pwr seat fuse 35 30a Radio batt guard fuse 8 15a Radio speaker amplifier Rear sunshade motor Rear suspension leveling air compressor Rear suspension leveling air compressor relay Red Remote control door lock receiver Right front side door window regulator motor Right head- lamp relay Right rear seat cushion heater relay Right rear side door window regulator motor Rr wdo defog fuse 34 40a S112 (a/c harn, in ecm housing) S113 (a/c harn, inside ecm housing) S136 S241 red S245 S246 (i/p harness, near malfunction relay module) S250 S270 S271 S307 S310 S322 S324 Secondary air injection pump relay (k12) Starter motor switch Stop lamp switch Sun roof actuator Sun roof fuse 25 20a Theft deterrent module To ignition switch (diagram 2 of 2) To pwf fuse (diagram 1 of 2) Transmission control module Turn signal switch Power Distribution Wiring Diagram (2 of 2) for Cadillac Catera 1999 List of elements for Power Distribution Wiring Diagram (2 of 2) for Cadillac Catera 1999: 87 (a/c harness, in ecm housing) (body harness, base of left "a" pillar) (ecm harness, 10 cm from ignition coil breakout) (i/p harness, near breakout to multifunction relay module) (i/p harness, near dlc breakout) s220 (washer nozzle harn, right rear of eng compt) s145 A/c compressor relay A/c load switch A02 A10 A11 Abs fuse 19 10a Automatic level control sensor Automatic transmission control indicator Automatic transmission range switch Automatic transmission winter mode switch Auxiliary water pump Auxiliary water pump relay Body control module Cellular telephone Clamp 15 cruise fuse 15 15a Clamp 15 fuse 14 10a Clamp 15 pbsl fuse 2 15a Clamp 15a fuse 10 10a Clamp w pbsl fuse 24 10a Condenser Coolant fan test connector Cruise control switch Driver seat adjuster memory module Driver seat heater relay Driver seat heater switch Ecm housing (left front of engine compt) Electronic brake/traction control module Engine control module Fan control relay Flasher fuse 3 10a From fuse v4 (diagram 1 of 2) Fuse block Gauge cluster Hazard warning switch Headlamp switch Heated outside rear view mirror and rear window defogger relay Heater and a/c control Ignition coil bank 1 Ignition coil bank 2 Ignition switch Inflatable restraint sensing and diagnostic and seat belt pretensioner module Inside rear view mirror Instrument cluster Key-in- ignition switch Left front side door window switch Left rear seat cushion heater relay Left rear seat heater switch Left windshield washer nozzle Lifting magnet Multi- function relay O/s mirror fuse 13 10a Off Outside remote control rear view mirror switch Passenger seat heater relay Passenger seat heater switch Power steering control module Rear suspension leveling air compressor relay Red Right rear seat cushion heater relay Right rear seat heater switch Right windshield washer nozzle S115 S132 S160 (a/c harn, in ecm housing) S200 (i/p harness, near dlc breakout) S212 S214 (i/p harness, near dlc breakout) S224 (i/p harn, near relay box) S227 (i/p harness, near relay box) S308 S319 Start Stop lamp switch Sun roof actuator Theft deterrent module Transmission control module W red Windshield wiper and washer switch Windshield wiper motor Windshield wiper motor relay Wiper fuse 9 30a
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Cadillac Catera 1999 List of elements for Power Door Lock Wiring Diagram for Cadillac Catera 1999: 85 (base of left "a" pillar) g200 (body harn, 3 cm from bcm connector) (left side of steering column) data link A02 A03 A06 A08 A823 A910 Automatic transmission shift lock control switch B01 B03 B09 B900 Battery (b+) Body control module (mounted on the right "a" pillar, behind the trim panel) Brake switch C10 C11 Clamp 15 pbsl fuse 2 10a Clamp cruise fuse 15 15a Connector D02 D11 Door lock fuse 28 20a Door lock relay (mounted on the right "a" pillar, behind the bcm) Door lock switch (inside driver door lock key cylinder assembly) Door unlock relay Doors lock Doors unlock Driver door unlk Driver door unlock relay F802 Fuse block Fx803 Fx899 Fy803 G100 (left front of engine compt) G200 (base of left "a" pillar) Hot at all times Hot in on Hot in on or start Ign pos volt Key disarm Left front door actuator Left front door lock switch Left rear door actuator Lock Lock all sig Lock relay Power distribution fuse block (on left front of the engine compt, attached to the ecm housing) Red Remote control door lock receiver (in the rear compt, below the left side of the rear window panel trim) Right front door actuator Right front door lock switch Right rear door actuator S103 S203 S217 (i/p harness, near multi-function relay module conn breakout) S250 S270 S304 (body harness, 23cm from remote control door lock receiver conn breakout) S307 S311 (body harness, 23cm from remote control door lock receiver conn breakout) S312 (body harness, base of left "a" pillar, under conduit) S314 (body harness, 23cm from remote control door lock receiver conn breakout) S317 S319 S502 S602 Serial data Shift interlock system Stop lamp switch (attached to brake pedal) Trans gear pos Transmission control selector switch Unlock Unlock doors sig V1 fuse 80a X899 Xm832 Xm834 Xy803 Xy806 Xy807 Xy810
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Cadillac Catera 1999 List of elements for Electrochromic Mirror Wiring Diagram for Cadillac Catera 1999: 17 Automatic transmission range switch (on left side of transmission housing) Clamp 15 cruise fuse 15 15a Exterior lights system Fuse block G100 (left front of engine compartment) Hot at all times Hot in on or start Ignition switch Inside rear view mirror Interior lights system Off Run S103 S132 S308 Solid state Start
POWER SEATS 6-Way & Recliner Power Seat Wiring Diagram for Cadillac Catera 1999 List of elements for 6-Way & Recliner Power Seat Wiring Diagram for Cadillac Catera 1999: 25 Back C315 C315c C316 C316c Down Driver seat adjuster switch Driver seat recliner actuator motor Entire seat Forward/ backward seat adjuster actuator motor Front height Front height seat adjuster actuator motor Fuse block Fwd G100 (left front of eng compt) Hot at all times Nca Passenger seat adjuster switch Passenger seat recliner actuator motor Pwr seat fuse 35 30a Rear height Rear height seat adjuster actuator motor Red S320 S321 Front Seat Heater Wiring Diagram for Cadillac Catera 1999 List of elements for Front Seat Heater Wiring Diagram for Cadillac Catera 1999: 27 10a Clamp 15 cruise fuse 15 15a Clamp 15 fuse 14 Driver seat back cushion heater Driver seat cushion heater Driver seat heater relay (under left side of dash) Driver seat heater switch Fuel tank filler door lock release switch Fuse block G100 (left front of engine compt) Hot at all times Hot in on or start Htd seat front fuse 20 30a Interior lights system Nca Nca a Nca b Passenger seat back cushion heater Passenger seat cushion heater Passenger seat heater relay (under left side of dash) Passenger seat heater switch Rear compt lid release sw Red S104 S200 S220 S250 Rear Seat Heater Wiring Diagram for Cadillac Catera 1999 List of elements for Rear Seat Heater Wiring Diagram for Cadillac Catera 1999: 27 (1999) (2000) Clamp 15 cruise fuse 15 15a Fuse block G200 (base of left "a" pillar) Hot at all times Hot in on or start Htd seat rear fuse 4 20a 30a Interior lights system Left rear heated seat back cushion element Left rear heated seat cushion element Left rear heated seat relay (under left side of rear seat) Left rear heated seat switch Nca Nca a Nca b Power outlet fuse 4 30a (2001) Red Right rear heated seat back cushion element Right rear heated seat cushion element Right rear heated seat switch Right rear seat cushion heater relay (under left side of rear seat) S270 S310 S319 S330 S335 S345
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Cadillac Catera 1999 List of elements for Power Top/Sunroof Wiring Diagrams for Cadillac Catera 1999: 32 (1999) (2000-01) (body wiring harness, near ground g200 branch breakout, at base of left "a" pillar) s267 (left front of engine compartment) g100 A700 Anti- theft system Battery Body computer system Clamp 15 cruise fuse 15 15a Data link connector (dlc) (attached to dash carrier, lower left side of steering column) Dr open sig Electronic brake/ traction control module (ebtcm) (on left front of engine compartment, mounted to lower rail) F700 Fuse block (mounted to dash, on lower left side of steering column) Ground Hot at all times Hot in on, or start Ignition Left front side door jamb switch Pa700 Pa900 R700 Red S106 S319 s308 Serial data Sun roof actuator (front center of roof, above inside rear view mirror) Sun roof actuator motor Sun roof fuse 25 20a Under conduit) Vss X700 Xm700
POWER WINDOWS Power Window Wiring Diagram for Cadillac Catera 1999 List of elements for Power Window Wiring Diagram for Cadillac Catera 1999: 43 (body harn, approx 62 cm from i/p wiring harness breakout, towards passenger's side) Body computer, power tops & interior lights systems Clamp 15 cruise fuse 15 15a Fuse block (mounted to dash, on lower left side of steering column) G200 (base of left "a" pillar) Ground Hot at all times Hot in on or start Left front side door jamb switch Left front side door window regulator motor Left front side door window switch Left front window switch Left rear side door jamb switch Left rear side door window regulator motor Left rear side door window switch Left rear window switch Lock Pwf fuse 1 30a Pwr fuse 7 30a Red Right front side door jamb switch Right front side door window regulator motor Right front side door window switch Right front window switch Right rear side door jamb switch Right rear side door window regulator motor Right rear side door window switch Right rear window switch S270 S271 S272 S308 S309 (body wiring harn, base of right "a" pillar, under conduit) S313 (body harn, base of left "a" pillar under conduit) S502 S602 S700 S800 Switch illum- ination led Switch illumination led Towards passenger's side) Unlock Window lockout switch
RADIO
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Cadillac Catera 1999 List of elements for Shift Interlock Wiring Diagram for Cadillac Catera 1999: 26 (left front of engine compt) g100 (on trans- mission control lever) 1995 vftc c Automatic transmission shift lock control solenoid Automatic transmission shift lock control switch Automatic transmission shift lock unlock switch (open in park) Body control module (mounted on right "a" pillar) Brake to shift indicator Clamp 15 a/t fuse 2 10a Clamp 15 cruise fuse 15 15a Clamp w pbsl fuse 24 10a Fuse block (left side of steering column) Gear out of park position Hot in on or start Hot with key in ignition Instrument cluster Lifting magnet (attached to steering column) Nca Red S200 S217 (i/p harn, near multi- function relay module) S250 Stop lamp switch Stop lamp switch (on brake pedal) Trans- mission control selector switch Trunk, tailgate, fuel doors
STARTING/CHARGING Charging Wiring Diagram for Cadillac Catera 1999 List of elements for Charging Wiring Diagram for Cadillac Catera 1999: 13 Battery Charging indicator Clamp 15 cruise fuse 15 15a Fuse block G101 (left front of engine compt) G110 (below power steering pump) Gauge cluster Generator Hot in on or start Power distribution system Red S200 Starter motor switch Starting Wiring Diagram for Cadillac Catera 1999 List of elements for Starting Wiring Diagram for Cadillac Catera 1999: 20 (left side of trans housing) automatic transmission range switch Accy Battery Bulb test Fuse v4 80a G101 (left front of engine compt) G110 (below power steering pump) Generator Hold- in coil Ignition switch Lock Off Power distribution fuse block (left front of engine compt) Power distribution system Pull- in coil Red Run Start Starter motor Starter motor switch
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Cadillac Catera 1999 List of elements for Supplemental Restraint Wiring Diagram for Cadillac Catera 1999: 71 (inside right side of dash) inflatable restraint i/p module (left front of engine compt) g100 (right "a" pillar) body control module (bcm) A05 Ab11 Ab950 Air bag indicator Am13 Am950 B30 B41 Ba10 Bm30 Bp10 Clamp 15 cruise fuse 15 15a Data link connector (dlc) (attached to dash carrier, lower left side of steeering column) Dlc breakout) Driver belt high Driver belt low Driver frontal high Driver frontal low Driver seat belt pretensioner Driver sensor Driver sensor return Driver side high Driver side low Driver's side front inflatable restraint impact module (left side of seat backrest) F108 Fuse block (mounted to dash, on lower left side of steering column) Ground Hot at all times Hot in on or start Ignition power Ignition switch Indicator ctrl Inflatable restraint sensing and diagnostic and seat belt pretensioner module (under center console, near parking brake lever) Inflatable restraint steering wheel module (on steering wheel) Inflatable restraint steering wheel module coil (mounted on steering column) Instrument cluster Left inflatable restraint side impact sensor (lower corner of left front door) M44 Nca Not used Off Onstar signal Pass belt high Pass belt low Pass frontal high Pass frontal low Pass sensor Pass sensor return Pass side high Pass side low Passenger seat belt pretensioner Passenger's side front inflatable restraint impact module (right side of seat backrest) Relay box) Right inflatable restraint side impact sensor (lower corner of right front door) Serial data line Shorting bar Start Thru X30 Xb100 Xb20 Xb42 Xb950 Xm10 Xm14 Xm430 Xm950 Xy999
TRANSMISSION
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Cadillac Catera 1999 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Cadillac Catera 1999: 41 (body harn, approx 23 cm from remote ctrl door lock receiver branch breakout) s304 Automatic transmission shift lock control solenoid Automatic transmission shift lock control switch (closed in park) (at right of shift lever) Automatic transmission shift lock unlock switch B12 Batt guard Battery guard relay Body control module (bcm) (mounted on the right "a" pillar, behind trim panel) D01 D02 D05 Door lock fuse 28 20a Door lock relay (mounted on the lower right "a" pillar, behind the bcm) Door locks system Door unlock relay Doors unlock Fuel door release Fuel lid unlck Fuel tank filler door lock actuator (near fuel door filler) Fuel tank filler door lock release switch Fuse block (mounted to dash, on lower left side of steering column) G100 (left front of engine compt) Hot at all times Interior lamps system Multifunction relay (under left of dash) Radio and cellular telephone Radio battery guard fuse 8 15a Rear compartment lid lock release actuator (on rear compt lid) Rear compartment lid release switch Red S103 S241 S250 S263 (i/p harn, near multifunction relay connector breakout) S307 Trunk lid release relay Trunk rel X4804 Xp811 Xw805 Xx806
WARNING SYSTEMS Warning System Wiring Diagrams for Cadillac Catera 1999 List of elements for Warning System Wiring Diagrams for Cadillac Catera 1999: 28 Body computer system Clamp 15 cruise fuse 15 15a Clamp w pbsl fuse 24 10a Engine oil pressure indicator switch (right front of engine) Fuse block Fuse v4 80a G100 (left front of engine compt) Gauge cluster Head Headlamp switch Headlights system Hot at all times Hot in on or start Ignition switch Left front side door jamb switch Left seat belt switch (part of driver's seat belt buckle) Off On key-in ignition switch Park Power distribution fuse block Radio batt guard fuse 8 15a Red S106 S200 S241 S251 S264 (body harn, base of left "a" pillar) Warning chime
WIPER/WASHER Wiper/Washer Wiring Diagram for Cadillac Catera 1999 List of elements for Wiper/Washer Wiring Diagram for Cadillac Catera 1999: 32 (i/p harn, near breakout to g202, at left side of dash) s223 B810 Body control module (bcm) (on right "a" pillar) Clamp 15 fuse 14 10a D06 D13 Ecb Fuse block (on lower left side of steering col) G100 (left front of engine compt) Gauge cluster Hi wiper input Hot in on or start Int Interval switch Left windshield washer nozzle Lo in & interval M808 Mist Off Right windshield washer nozzle S104 S137 S145 S146 S205 S224 Windshield washer pump Windshield washer solvent level switch Windshield wiper and washer switch Windshield wiper motor Windshield wiper motor relay (left front of engine compt) Wiper fuse 9 30a
