Diagram sections — 28 (56 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS 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
3.8L 3.8L, A/C Wiring Diagram for Ford Mustang GT 1998 List of elements for 3.8L, A/C Wiring Diagram for Ford Mustang GT 1998: 46 (behind center of dash) g206 (main harness, near breakout to air bag diagnostic connector) s213 (not used) .5 ohms 1.3 ohms A/c clutch control A/c clutch cycling pressure switch (right rear corner of engine compartment, on a/c accumulator) A/c clutch field coil A/c high pressure cutout/fan switch (lower right front of engine compartment, on a/c line, right of belt tensioner) A/c-heater control assembly Blower motor Blower motor resistor assembly (behind right side of dash, in a/c-heater plenum) Blower motor switch Constant control relay module (ccrm) (inside right front fender, behind air filter housing) Def Edf relay Edf relay control Electric cooling fan motor Engine compartment fuse box Fan c.b. 30a Floor Fuse 17 30a Fuse 6 15a G100 (left front of engine compartment) G101 (right front of engine compartment) Hot at all times Hot in acc or run Hot in run I/p fuse panel Max Mix Nca Norm Off Pcm power relay Pnk/ Powertrain control module (pcm) (behind right kick panel) S102 (engine control sensor harness, near breakout to octane adjust plug) S104 (dash panel to headlamp junction harness, near breakout to g101) S115 (engine control sensor harness, near breakout to right front brake sensor) S119 (engine control sensor harness, near breakout to a/c high pressure cutout/fan switch) S122 (engine control sensor harness, in breakout to electric cooling fan motor) S201 (main harness, near breakout to ground g206) S226 Thermal limiter Vent Heater Wiring Diagram for Ford Mustang GT 1998 List of elements for Heater Wiring Diagram for Ford Mustang GT 1998: 17 (behind center of i/p) g206 .5 ohms 1.3 ohms Blower motor Blower motor resistor assembly (behind right side of dash, in a/c-heater plenum) Blower motor switch Defrost Floor Fuse 17 30a Heater control assembly Hot in run I/p fuse panel Mix Off S213 (main harness, near breakout to air bag diagnostic connector) Thermal limiter Vent
4.6L 4.6L, A/C Wiring Diagram for Ford Mustang GT 1998 List of elements for 4.6L, A/C Wiring Diagram for Ford Mustang GT 1998: 59 (4.6l-2v, engine control harness, near breakout to in-line connector, right rear of engine compartment) (4.6l-4v, engine control harness, in breakout to intake manifold runner control) (behind center of dash) g206 (engine control sensor harness, near breakout to octane adjust plug) s102 (engine control sensor harness, near breakout to right front brake sensor) s100 (main harness, near breakout to air bag diagnostic connector) s213 (right front of engine compartment) g101 (w/high current fuse panel) (w/o high current fuse panel) .5 ohms 1.3 ohms 30a c.b. A/c clutch cycling pressure switch (right rear corner of engine compartment, on a/c accumulator) A/c clutch control A/c clutch field coil A/c high pressure cutout/fan switch (lower right front of engine compartment, on a/c line, above air cleaner housing) A/c-heater control assembly Blower motor Blower motor resistor assembly Blower motor resistor assembly (behind right side of dash, in a/c-heater plenum) Blower motor switch Clutch switch Constant control relay module (ccrm) (inside right front fender, behind air filter housing) Def Edf relay Edf relay control Electric cooling fan motor Engine compartment fuse box Engine controls system Fan fuse 50a 60a Fan switch Floor Fuse 17 30a Fuse 6 15a G100 (left front of engine compartment) Hedf relay High curent fuse panel Hot at all times Hot in acc or run Hot in run I/p fuse panel Max Mix Norm Off Pcm power relay Pnk/ Powertrain control module (pcm) (behind right kick panel) Red S115 (engine control sensor harness, near breakout to right front brake sensor) S116 (engine control sensor harness, near breakout to right front brake sensor) S119 (engine control sensor harness, near breakout to a/c high pressure cutout/fan switch) S122 (engine control sensor harness, near breakout to a/c high pressure cut/out fan switch) S140 (engine control sensor harness, near breakout to a/c high pressure cut/out fan switch) S149 S201 (main harness, near breakout to ground g206) S226 Thermal limiter Vent W/high current fuse panel W/o high current fuse panel Heater Wiring Diagram for Ford Mustang GT 1998 List of elements for Heater Wiring Diagram for Ford Mustang GT 1998: 17 (behind center of i/p) g206 .5 ohms 1.3 ohms Blower motor Blower motor resistor assembly (behind right side of dash, in a/c-heater plenum) Blower motor switch Defrost Floor Fuse 17 30a Heater control assembly Hot in run I/p fuse panel Mix Off S213 (main harness, near breakout to air bag diagnostic connector) Thermal limiter Vent
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Ford Mustang GT 1998 List of elements for Anti-lock Brake Wiring Diagrams for Ford Mustang GT 1998: 41 Abs fuse 1 40a Abs fuse 2 20a Abs ind Abs indicator Abs rly All times All times engine compt fuse box Anti-lock brake control module (right front of engine compartment, behind radiator) Batt Bpp sw Brake pedal Data link connector (right of steering column) Fuse 10a Fuse 15a G101 (right front of engine compt) Ground Hot at Hot at all times Hot in Hot in run or start I/p fuse panel Instrument cluster Iso 9141 Left front brake sensor Left rear brake sensor Lf sens Lr sens Nca Position switch (top of brake pedal support) Pwr rly Rf sens Right front brake sensor Right rear brake sensor Rr sens Run S104 S207 S229 S232 (main harn behind left side of dash) S255 (main harn, right of steering column) Tan/red
ANTI-THEFT Forced Entry Wiring Diagram for Ford Mustang GT 1998 List of elements for Forced Entry Wiring Diagram for Ford Mustang GT 1998: 88 (body harn, below right side of rear seat) (body harn, left side of trunk) (body harn, near anti- theft mod) (front of door jamb) left courtesy light switch (front of door jamb) right courtesy light switch (in body main harness, behind left side of dash) ant-theft diode (not used) * w/ remote ** w/o remote 10a 15a 20a Acc All doors lock Anti-theft controller module (left rear of trunk, behind trim panel) Anti-theft ind Anti-theft indicator Auto trans Battery C250 C400 C402 C403 C404 Cluster Clutch pedal position switch Convertible Coupe Dash at left kick panel) Disarm input Door ajar input Door open input Driver's door unlk Drv door unlk Exterior lights system Fuse 16 Fuse 6 Fuse 8 G206 (behind center of dash) G302 (below rear of center console) Ground Headlights system Horns output Horns system Hot at all times Hot in acc or run I/p fuse panel Ignition switch Instrument Interior lights system Keyless entry Keyless entry system (door lock motors) Left door disarm switch (left door, back of lk cylinder) Lo beam output Lock Lock door input Manual trans Nca Off Park lamps output Pass door unlk Pwr (acc/run) Red/ pnk Red/pnk Remote/keyless entry module (left rear of trunk, behind side trim) Right door disarm switch (right door, back of lk cylinder) Run S210 S221 S302 S306 S317 S401 S407 S412 S413 S423 S424 S427 S501 Start Start input Starter output Starting/ charging system Trunk lid anti-theft switch (center of trunk lid) Trunk lid input Unlock door input Warning system Passive Anti-theft Wiring Diagram for Ford Mustang GT 1998 List of elements for Passive Anti-theft Wiring Diagram for Ford Mustang GT 1998: 31 (main harn, behind dash, right of steering column) (not used) Anti- theft indicator Anti-theft transceiver module (underside of steering column) Armed sig Bus (+) Bus (-) C250 Fuse 10a Fuse 20a G206 (behind center of dash) Grd Hot at all times Hot in run or start I/p fuse block Ign Instrument cluster Passive anti-theft system (pats) control module (in dash, by wiper control module) Powertrain control module (pcm) (behind right kick panel) Pwr Rec sig Rf grd Rf pwr S205 S210 S221 S228 S252 S252 (main harn, behind dash at left kick panel) S253 Transmit
COMPUTER DATA LINES Computer Data Lines for Ford Mustang GT 1998 List of elements for Computer Data Lines for Ford Mustang GT 1998: 22 (main harn, near breakout to data link conn) s253 (main harn, near breakout to data link connector) Airbag diagnostic monitor (behind lower center of dash) Anti-lock brake control module (in right front of engine compt, behind radiator) Bus + Bus - Connector (dlc) (behind Control module) Dash, to right of steering column) Data Data + Data - Fuse 10a G100 (left front of engine compt) G206 (behind center of dash) Hot at all times i/p fuse panel Link Passive anti-theft system (pats) control module (in dash, by wiper Powertrain control module (pcm) (behind right kick panel) S201 S252 S255 (main harn, behind dash)
COOLING FAN
3.8L 3.8L, Cooling Fan Wiring Diagram for Ford Mustang GT 1998 List of elements for 3.8L, Cooling Fan Wiring Diagram for Ford Mustang GT 1998: 20 (dash panel to headlamp junction harness, near breakout to g101) (engine control sensor harness, in breakout to electric cooling fan motor) (engine control sensor harness, near breakout to right front brake sensor) (left front of engine compartment) g100 (not used) (right front of engine compartment) g101 Constant control relay module (ccrm) (mounted on bracket, behind engine coolant reservoir) Edf relay Edf relay control Electric cooling fan motor Engine compartment fuse box Fan c.b. 30a Hot at all times Nca Pcm power relay Powertrain control module (pcm) (behind right kick panel) S102 (engine control sensor harness, near breakout to octane adjust plug) S104 S115 S122
4.6L 4.6L, Cooling Fan Wiring Diagram for Ford Mustang GT 1998 List of elements for 4.6L, Cooling Fan Wiring Diagram for Ford Mustang GT 1998: 24 w/o high current fuse panel w/high current fuse panel (engine control sensor harness, near breakout to a/c high pressure cutout/fan switch) (engine control sensor harness, near breakout to right front brake sensor) (left front of engine compartment) g100 (right front of engine compartment) g101 (w/high current fuse panel) (w/o high current fuse panel) 30a cb Constant control relay module (ccrm) (mounted on bracket, behind engine coolant reservoir) Edf relay Edf relay control Electric cooling fan motor Engine compartment fuse box Fan fuse 50a 60a Hedf relay High current fuse panel Hot at all times Pcm power relay Powertrain control module (pcm) (behind right kick panel) Red S100 S115 (engine control sensor harness, near breakout to right front brake sensor) S116 S122 S140
CRUISE CONTROL Cruise Control Wiring Diagram for Ford Mustang GT 1998 List of elements for Cruise Control Wiring Diagram for Ford Mustang GT 1998: 42 (body main harn, near clutch pedal) (engine sensor harn, near grommet) s240 A/t Brake input Brake pedal position (bpp) switch (on brake pedal support) Brake pres- sure switch (left side of dash) C233 C243 Clock- spring assembly (top of steering column) Coast Deact- ivator switch (on clutch pedal support) Door locks system Drl fog horns fuse 20a Engine comp- artment fuse box Fuse 15a G203 (behind dash, at right kick panel) Gnd Horn relay (engine compt fuse box) Horn switch Hot at all times Hot in acc or run I/p fuse panel Ign M/t Nca Off Ohms Power Power distribution system Resume S207 S226 S232 S235 S249 (w/ rke) (body harn, behind dash, at left kick panel) Set/ accel Speed control amplifier (above left kick panel) Speed control switch assembly Switch gnd Switch input Vehicle speed sensor (vss) (left rear of trans) Vss input
DEFOGGERS Defogger Wiring Diagram for Ford Mustang GT 1998 List of elements for Defogger Wiring Diagram for Ford Mustang GT 1998: 19 (right "c" pillar) (coupe) g905 (right front side of trunk) (convertible) g401 Engine compartment fuse box (left side of engine compt, forward of strut tower) Fuse 15a G302 (below rear of center console) Hot at all times Hot in run Htd bl fuse 40a I/p fuse panel (behind dash, left of steering column) Illumination bulb Interior lights system Off On indicator Rear window defrost control switch (top of dash, left of column) Rear window defrost grid S206 S218 Solid state Time delay
ENGINE PERFORMANCE
3.8L 3.8L, Engine Performance Wiring Diagrams (1 of 3) for Ford Mustang GT 1998 List of elements for 3.8L, Engine Performance Wiring Diagrams (1 of 3) for Ford Mustang GT 1998: 82 (behind (engine ctrl sensor harn, near grommet) s240 (in trans cntrl harn) s126 (on top of transaxle) digital transmission range sensor (right kick panel) 4r70w transmission A/c system Accs input Air pump Anti-theft system C250 C251 Ckp (+) Ckp (-) Ckp shield Cooling fans system Crankshaft position sensor (center front of engine) Cruise control, instrument cluster Dash, right of column) Data link connector (behind Dlc Dlc (bus +) Dlc (bus -) Dtr tr1 Dtr tr2 Dtr tr4 Ect sensor Eec fuse 20a Egr vacuum Electronic pressure control (epc) Engine compartment fuse box (left side of engine compartment) Evap flow Fuel pump Fuel sender Fuse 10a Fuse 15a Fuse 20a G100 (left front of engine compt) G203 (behind dash, at right kick pnl) Ground Hot at all times Hot in run Hot in run or start I/p fuse panel (left of steering column) Iat sensor Idm Ign coil Ignition coil (top front of engine) Instrument cluster Low fan Maf sensor Malfunction indicator lamp Mil Nca Powertrain control module (pcm) Radio interference capacitor (top front of engine) Red Rr ho2s S108 S204 S219 S228 S229 S235 S250 S252 Shft sol #2 Shift solenoids (ss) Sht sol 1 Solenoid Spark plugs Tach Tcc sol Tcs input Tft sensor Torque converter clutch (tcc) solenoid Transmission control switch (right of gear selector) Transmission fluid temperature sensor Vehicle speed sensor (left rear of transmission) Vmv current Vss (+) Vss (-) 3.8L, Engine Performance Wiring Diagrams (2 of 3) for Ford Mustang GT 1998 List of elements for 3.8L, Engine Performance Wiring Diagrams (2 of 3) for Ford Mustang GT 1998: 40 (engine ctrl harn, near grommet) (engine ctrl sensor harn, near breakout to inj #5) s123 (left front of eng compt) Air injection reaction pump Air injection reaction relay Constant control relay module (inside right front fender, behind air filter housing) Cooling fans system Eec fuse 20a Engine compartment fuse box (left side of engine compartment) Evaporative emission canister purge valve (right side of engine compt) Evaporative emission purge flow valve (right side of engine compt) Fuel fuse 20a Fuel injectors Fuel pump module Fuel pump relay Fuel tank assembly Fuel tank pressure sensor G100 G100 (left front of engine compt) G101 (right front of engine compt) G302 (below rear of center console) Hot at all times Inertia fuel shut-off switch (left rear of trunk) Mass air flow (maf) sensor (on air cleaner assembly) Pcm power relay Red Red/pnk S100 S108 S115 S116 (engine ctrl harn, near breakout to right front brake sensor) S127 S142 S145 (engine ctrl sensor harn) S154 (engine ctrl sensor harn) S155 S205 S250 Therm fuse 20a Vapor management valve (right side of engine compt) 3.8L, Engine Performance Wiring Diagrams (3 of 3) for Ford Mustang GT 1998 List of elements for 3.8L, Engine Performance Wiring Diagrams (3 of 3) for Ford Mustang GT 1998: 77 (behind dash, at right kick panel) s129 (engine ctrl sensor harn, near breakout to inj #2) s124 (left front of engine compt) g100 (main harn, near breakout to multifunction switch) (near breakout to fuel inj #6) (near breakout to tp sensor) s129 (rear of eng) s138 (right kick panel) A/c cutout A/c system Air mngmnt Bpp Brake pedal position switch (on pedal support) C250 Camshaft position sensor (front of eng, near ign coil) Cmp sens Differential pressure feedback egr sensor (center rear of engine compt) Dpfe Dtr tr3a Egr vacuum regulator solenoid (rear of throttle body) Engine coolant temperature sensor (top front of engine) Epc sol Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel injectors Fuel press Fuel pump Fuse 10a Fuse 15a G100 (left front of engine s204 compt) G203 (behind dash, at right kick panel) Hot at all times Hot in run or start I/p fuse panel (left of steering column) Iac valve Idle air control valve (top rear of engine) Ign coil Instrument cluster Intake air temperature sensor (on air intake assembly) Left front heated oxygen sensor (in exhaust manifold, above flange inboard side) Left rear heated oxygen sensor (left rear side of engine, in exhaust manifold) Lf ho2s Lr ho2s Maf sens Nca Oss sens Output shaft speed sensor (left side of trans) Power Powertrain control module (pcm) Pwr gnd Red Red/pnk Ref volt Rf ho2s Right front heated oxygen sensor (in exhaust manifold, above flange inboard side) Right rear heated oxygen sensor (in exhaust, rear of catalytic converter) Rr ho2s S121 (engine ctrl harn, near grommet) S125 (in trans harn) S130 S137 S142 S207 S228 S241 S250 Sig rtn Tan Tcil Throttle position sensor (on throttle body) Tp sens Transmission control indicator lamp
4.6L 4.6L DOHC, Engine Performance Wiring Diagrams (1 of 3) for Ford Mustang GT 1998 List of elements for 4.6L DOHC, Engine Performance Wiring Diagrams (1 of 3) for Ford Mustang GT 1998: 81 (behind dash, (engine ctrl sensor harn, near grommet) s240 (right kick panel) A/c system Accs input Air injection reaction pump Air injection reaction relay Air pump Anti-theft system C250 C251 Ckp (+) Ckp (-) Cooling fan Cooling fans system Crankshaft position sensor (center front of engine) Cruise control, instrument cluster Dash, right of column) Data link connector (behind Dlc Dlc (bus +) Dlc (bus -) Ect sensor Eec fuse 20a Egr vacuum Engine compartment fuse box (left side of engine compartment) Evap flow Fuel pump Fuel sender Fuse 10a Fuse 15a Fuse 20a G100 (left front of engine compt) G101 (right front of engine compt) G203 (behind dash, at right kick panel) Ground Hot at all times Hot in run Hot in run or start I/p fuse panel (left of steering column) Iat sensor Ign coil Ignition coil 1 & 2 (top front of engine) Imrc Imrc monitor Instrument cluster Intake manifold runner control (rear of engine) Interference capacitor (top front of engine) Knock sen 1 Knock sen 2 Left knock sensor (between inj 5 & 6) Maf sensor Malfunction indicator lamp Mil Nca Powertrain control module (pcm) Right knock Right of column) Right radio Rr ho2s S100 S108 S132 S144 S145 (engine ctrl sensor harn) S154 (engine ctrl sensor harn) S155 S204 S228 S229 S235 S250 S252 S253 (behind Sensor (between inj 1 & 2) Tach Therm fuse 20a Vehicle speed sensor (left rear of transmission) Vmv current Vss (+) Vss (-) 4.6L DOHC, Engine Performance Wiring Diagrams (2 of 3) for Ford Mustang GT 1998 List of elements for 4.6L DOHC, Engine Performance Wiring Diagrams (2 of 3) for Ford Mustang GT 1998: 46 (behind dash, at right kick panel) (engine ctrl sensor harn, near breakout to inj #8) s150 (left front of eng compt) (near breakout to fuel pump resistor) (near pcm) fuel pump relay (rear of right front fender) fuel pump resistor Camshaft position sensor (front of engine) Constant control relay module (inside right front fender, behind air filter housing) Cooling fans system Eec fuse 20a Engine compartment fuse box (left side of engine compartment) Evaporative emission canister purge valve (right side of engine compt) Evaporative emission purge flow valve (right side of engine compt) Fuel fuse 20a Fuel injectors Fuel pump module Fuel pump relay Fuel tank assembly Fuel tank pressure sensor G100 G100 (left front of engine compt) G203 (behind dash, at right kick panel) G302 (below rear of center console) Hot at all times Ignition coil 3 & 4 (top front of engine) Inertia fuel shut-off switch (left rear of trunk) Left radio interference capacitor (top front of engine) Mass air flow (maf) sensor (on air cleaner assembly) Nca Pcm power relay Red Red/pnk S108 S115 S116 (engine ctrl harn, near breakout to right front brake sensor) S127 (engine ctrl harn, near grommet) S142 S143 S144 S153 S205 S250 S251 Tan/ red Tan/red Vapor management valve (right side of engine compt) 4.6L DOHC, Engine Performance Wiring Diagrams (3 of 3) for Ford Mustang GT 1998 List of elements for 4.6L DOHC, Engine Performance Wiring Diagrams (3 of 3) for Ford Mustang GT 1998: 63 (behind dash, at right kick panel) s129 (engine ctrl harn, near grommet) s121 (engine ctrl sensor harn, near breakout to evr solenoid) (engine ctrl sensor harn, near breakout to injector #2) s152 (front of eng) s168 (in trans control harness) (in trans harn) s125 (left front of engine compt) g100 (near breakout to pcm) (near breakout to tp sensor) s129 (right kick panel) A/c cutout A/c high A/c system Air bypass Cmp sens Differential pressure feedback egr sensor (center rear of engine compt) Dpfe Egr vacuum regulator solenoid (rear of throttle body) Engine coolant temperature sensor (top front of engine) Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj 7 Fuel inj 8 Fuel injectors Fuel press Fuel pump Iac valve Idle air control valve (top rear of engine) Ign coil Intake air temperature sensor (on air intake assembly) Left front heated oxygen sensor (in exhaust manifold, above flange inboard side) Left rear heated oxygen sensor (left rear side of engine, in exhaust manifold) Lf ho2s Lr ho2s Maf sens Nca Power Powertrain control module (pcm) Pwr gnd Red Red/pnk Ref volt Rf ho2s Right front heated oxygen sensor (in exhaust manifold, above flange inboard side) Right rear heated oxygen sensor (in exhaust, rear of catalytic converter) Rr ho2s S126 S130 (near breakout to fuel inj #6) S139 S151 S244 S250 Sig rtn Tan Tan/red Throttle position sensor (on throttle body) Tp sens 4.6L SOHC, Engine Performance Wiring Diagrams (1 of 3) for Ford Mustang GT 1998 List of elements for 4.6L SOHC, Engine Performance Wiring Diagrams (1 of 3) for Ford Mustang GT 1998: 85 (behind dash, (engine ctrl sensor harn, near grommet) s240 (in trans control harness) (on top of transaxle) digital transmission range sensor (right kick panel) 4r70w transmission A/c system Accs input Anti-theft system C250 C251 Ckp (+) Ckp (-) Cooling fan Cooling fans system Crankshaft position sensor (center front of engine) Cruise control, instrument cluster Dash, right of column) Data link connector (behind Dlc Dlc (bus +) Dlc (bus -) Dtr tr1 Dtr tr2 Dtr tr4 Ect sensor Eec fuse 20a Egr vacuum Electronic pressure control (epc) Engine compartment fuse box (left side of engine compartment) Evap flow Fuel pump Fuel relay Fuel sender Fuse 10a Fuse 15a Fuse 20a G100 (left front of engine compt) G203 (behind dash, at right kick panel) Ground Hot at all times Hot in run Hot in run or start I/p fuse panel (left of steering column) Iat sensor Ign coil Ignition coil 1 & 2 (top front of engine) Instrument cluster Interference capacitor (top front of engine) Maf sensor Malfunction indicator lamp Mil Nca Powertrain control module (pcm) Red Right of column) Right radio Rr ho2s S108 S126 S132 S143 S144 S204 S219 S228 S229 S235 S250 S252 Shft sol #2 Shift solenoids (ss) Sht sol 1 Solenoid Tach Tcc sol Tcs input Tft sensor Torque converter clutch (tcc) solenoid Transmission control switch (right of gear selector) Transmission fluid temperature sensor Vehicle speed sensor (left rear of transmission) Vmv current Vss (+) Vss (-) 4.6L SOHC, Engine Performance Wiring Diagrams (2 of 3) for Ford Mustang GT 1998 List of elements for 4.6L SOHC, Engine Performance Wiring Diagrams (2 of 3) for Ford Mustang GT 1998: 45 (behind dash, at right kick panel) (engine control harn, near grommet) (engine ctrl sensor harn, near breakout to inj #5) s123 (left front of eng compt) (near breakout to fuel pump resistor) (near pcm) fuel pump relay (rear of right front fender) fuel pump resistor Camshaft position sensor (front of engine) Constant control relay module (inside right front fender, behind air filter housing) Cooling fans system Eec fuse 20a Engine compartment fuse box (left side of engine compartment) Evaporative emission canister purge valve (right side of engine compt) Evaporative emission purge flow valve (right side of engine compt) Fuel fuse 20a Fuel injectors Fuel pump module Fuel pump relay Fuel tank assembly Fuel tank pressure sensor G100 G100 (left front of engine compt) G203 (behind dash, at right kick panel) G302 (below rear of center console) Hot at all times Ignition coil 3 & 4 (top front of engine) Inertia fuel shut-off switch (left rear of trunk) Left radio interference capacitor (top front of engine) Mass air flow (maf) sensor (on air cleaner assembly) Nca Pcm power relay Red Red/pnk S108 S115 S116 (engine ctrl harn, near breakout to right front brake sensor) S127 S142 S143 S144 S153 S205 S250 S251 Vapor management valve (right side of engine compt) 4.6L SOHC, Engine Performance Wiring Diagrams (3 of 3) for Ford Mustang GT 1998 List of elements for 4.6L SOHC, Engine Performance Wiring Diagrams (3 of 3) for Ford Mustang GT 1998: 80 (behind dash, at right kick panel) s129 (engine ctrl sensor harn, near breakout to dpfe sensor) s162 (engine ctrl sensor harn, near breakout to inj #6) s163 (front of eng) s168 (left front of engine compt) g100 (main harn, near breakout to multifunction switch) (near breakout to fuel inj #6) (near breakout to pcm) (near breakout to tp sensor) s129 (right kick panel) A/c cutout A/c high A/c system Bpp Brake pedal position switch (on pedal support) C250 Cmp sens Differential pressure feedback egr sensor (center rear of engine compt) Dpfe Dtr tr3a Egr vacuum regulator solenoid (rear of throttle body) Engine coolant temperature sensor (top front of engine) Epc sol Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj 7 Fuel inj 8 Fuel injectors Fuel press Fuel pump Fuse 10a Fuse 15a Hot at all times Hot in run or start I/p fuse panel (left of steering column) Iac valve Idle air control valve (top rear of engine) Ign coil Instrument cluster Intake air temperature sensor (on air intake assembly) Left front heated oxygen sensor (in exhaust manifold, above flange inboard side) Left rear heated oxygen sensor (left rear side of engine, in exhaust manifold) Lf ho2s Lr ho2s Maf sens Nca Oss sens Output shaft speed sensor (left side of trans) Power Powertrain control module (pcm) Pwr gnd Red Red/pnk Ref volt Rf ho2s Right front heated oxygen sensor (in exhaust manifold, above flange inboard side) Right rear heated oxygen sensor (in exhaust, rear of catalytic converter) Rr ho2s S121 (engine ctrl harn, near grommet) S125 (in trans harn) S130 S139 S207 S228 S241 S244 S250 Sig rtn Tan Tan/ red Tan/red Tcil Throttle position sensor (on throttle body) Tp sens Transmission control indicator lamp
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Ford Mustang GT 1998 List of elements for Backup Lamps Wiring Diagram for Ford Mustang GT 1998: 13 (rear lamp harn, left rear of trunk) s425 A/t Backup lamp switch (left side of transmission) Digital transmission range (dtr) sensor (left rear of transmission) Fuse 15a G302 (below rear of center console) Hot in run I/p fuse panel (behind dash, left of steering column) Left backup lamp M/t Right backup lamp S218 S408 Exterior Lamps Wiring Diagram for Ford Mustang GT 1998 List of elements for Exterior Lamps Wiring Diagram for Ford Mustang GT 1998: 56 (left rear lamp harn, near left rear park/stop/ turn lamp breakout) s420 (luggage compt lamp harn, near luggage compt lamp switch breakout) s417 (main harn, near instrument cluster breakout) s247 (main harn, near instrument cluster breakout) s248 (right rear lamp harn, near right rear park/stop/ turn lamp breakout) s419 Anti-theft controller module Brake pedal position switch (on brake pedal support) C250 C251 Electronic flasher (on rear of i/p fuse panel) Fuse 15a G100 (left front of engine compt) G101 (right front of engine compt) G206 (behind center of dash) G302 (below rear of center console) Hazard switch Head High mount stop lamps High mount stop/luggage compartment lamp assembly Hot at all times Hot in run I/p fuse panel (behin dash, left of steering column) Instrument cluster Left Left front park/ turn lamp Left rear park/ stop/ turn lamps Left rear side marker lamp Left turn indi- cator License lamps Main light switch Multi- function switch Off Park Remote/ keyless entry module Right Right front park/ turn lamp Right rear park/ stop/ turn lamps Right rear side marker lamp Right turn indi- cator S103 S104 S203 S206 S207 S218 S231 S232 (body main harn, behind left side of dash) S313 S407 S414 S418 (rear lamp harn, left side of trunk) Solid state Turn switch W/ rke W/o rke Warning chime module
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Ford Mustang GT 1998 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Ford Mustang GT 1998: 75 (4.6l only) instrument cluster (dash panel to headlamp junction harn, near left fog lamp breakout) (eng cntrl harn, behind right side of dash) (eng control sensor harn, near breakout to evap canister purge flow sensor) (fuel charge harn, near fuel inj 6) (fuel charge sensor harn near breakout to evap canister purge flow sensor) s143 3.8l 4.6l A/c high pressure cutout/ fan switch Air injection reaction pump Air injection reaction relay Amplifier Anti-lock brake control module Anti-theft controller module Base radio Battery C251 Camshaft position (cmp) sensor Cd player Ckp shield 1 Ckp shield 2 Cmp shield 1 Cmp shield 2 Constant control relay module (ccrm) Data link connector Electric cooling fan motor Engine compartment fuse box Engine coolant temperature sender Evaporative emission (evap) purge flow sensor Fog lamps relay Front speaker subwoofer amplifier G100 (left front of engine compartment) G101 (right front of engine compartment) G110 (left front of engine) G203 (behind dash, at right kick panel) G206 (behind center of dash) Instrument cluster Junction harn, right front of engine compartment) Left fog lamp Left front park/turn lamp Left headlamp Low engine coolant switch Mass air flow (maf) sensor Passive anti-theft system (pats) control module Powertrain control module (pcm) Premium or super sound Radio Rear speaker subwoofer amplifier Remote/ keyless entry module Right fog lamp Right front park/turn lamp Right headlamp S100 (engine cntrl sens harn, right side of eng compt) S103 (dash panel to headlamp junction harn, left front of engine compartment) S106 (dash panel to headlamp junction harn, near left headlamp breakout) S110 S112 (eng control harn, right rear of engine compartment) S115 (eng cntrl sens harn, right side of eng compt) S142 S144 S163 (eng control harn, near breakout to fuel injector 6) S204 S205 (main harn, near main light switch breakout) S208 (radio amp harn, behind center of dash) S235 (eng cntrl harn, behind right side of dash) S250 (eng cntrl harn, behind right side of dash) S401 (body main harn, left front of trunk) S404 (radio amp harn, near rear speaker subwoofer amplifier breakout) S405 (radio amp harn, near front speaker subwoofer amplifier breakout) Sensor harn, near breakout to octane adjust plug) Speed control amplifier Starter relay Vehicle speed sensor W/ super sound Washer pump motor Ground Distribution Wiring Diagram (2 of 3) for Ford Mustang GT 1998 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Ford Mustang GT 1998: 76 (body main harn, left front of trunk) s402 (body main harn, left side of trunk) (main harn, behind left side of dash) s203 (radio amp harn, near radio breakout) 87a A/c- heater control illumination Air bag diagnostic connector Air bag diagnostic monitor Anti-theft hood switch Base Behind center of dash) Blower motor resistor assembly Blower motor switch Brake fluid level switch Cd player Clock Convertible Convertible only Convertible w/ power windows/locks Convertible w/ remote/keyless entry Convertible w/o remote/keyless entry Coupe Coupe w/ power windows/door locks w/ remote/keyless entry Coupe w/ power windows/door locks w/o remote/keyless entry Coupe w/ remote/keyless entry Coupe w/o power windows/door locks Coupe w/o remote/keyless entry Data link connector Electronic flasher Fuel gauge sender Fuel pump G206 (behind center of dash) Gnd Hi mount stop/ luggage compt lamp assembly Ignition switch Instrument cluster Left backup lamp Left door disarm switch Left door) Left license lamp Left rear park/stop/ turn lamps Left rear side marker lamp Lower relay Master window/door lock control switch Nca One touch down power window module Power mirror switch Radio Raise relay Rear window defrost control switch Reg harn, in left door) Remote/keyless entry module Right backup lamp Right license lamp Right rear park/stop/ turn lamps Right rear side marker lamp S101 (body main harn, left side of eng compartment) S206 (main harn, near main light switch breakout) S209 S301 (body main harness) S403 S407 (luggage comp lamp harn, near lug compt lamp sw breakout) S408 (rear lamp harn, underside of trunk) S414 (left rear harn, near left rear park/ stop/turn lamp breakout) S501 (left door window reg harn, in left door) S503 (left door window reg harn, in left door) Shift lock actuator Stop/turn lamp breakout) Super sound To splice s302 (diagram 3 of 3) Transmission control switch Trunk lid release solenoid Trunk lid release switch Warning chime module Windshield wiper motor Wiper control switch Ground Distribution Wiring Diagram (3 of 3) for Ford Mustang GT 1998 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Ford Mustang GT 1998: 24 (interior lamp harn, in windshield header) Auxiliary power socket Cigar lighter Convertible Coupe Dome/ map lamp Dome/map lamp Driver's seat control switch Fog lamp switch From fuel a pump (diagram 2 of 3) G302 (below rear of center console) Left power lumbar compressor motor Left vanity mirror lamp Nca Right door disarm switch Right vanity mirror lamp Right window/ door lock control switch S302 (body main harn, near transmission control switch breakout) S303 (console panel harn, near auxiliary power socket breakout) S901 S901 (interior lamp harn, in windshield header) Seat belt switch W/ anti-theft W/o anti-theft
HEADLIGHTS Headlamps Wiring Diagram, with DRL for Ford Mustang GT 1998 List of elements for Headlamps Wiring Diagram, with DRL for Ford Mustang GT 1998: 65 (body main harn, below left side of rear seat) (dash panel to headlamp junction harn, near left side of eng compt) Acc Anti-theft controller module (in left rear of trunk, behind trim panel) Battery input Brake fluid level switch (in left rear of eng compt, on brake fluid reservoir) Brake indicator C250 C251 C404 Daytime running lamps (drl) module (in left front corner of eng compt, below horn) Dimmer switch Drl, fog, horns fuse 20a Engine compartment fuse box Fog lamp switch Fog lamps relay Fuse 10a Fuse 15a Fuse 20a G100 (left front of engine compartment) G101 (right front of engine compartment) G206 (behind center of dash) Head Hi beam ind control Hi-beam indicator Horns system Hot at all times Hot in run Hot in run or start I/p fuse panel Ignition input Ignition switch Instrument cluster Left headlight Lo beam input Lock Main light switch Multi- function switch Off Park Park brake on input Park brake switch (on right rear of park braking lever assembly) Park ind control Pass Pass-to-flash switch Power tops system (convertible only) Pulsed voltage Right headlight Run S103 S104 S111 S131 S133 S206 S210 S218 S229 S246 (body main harn, behind dash, at left kick panel) S314 Start W/ anti- theft W/ anti-theft W/o anti- theft W/o anti-theft Headlamps/Fog Lamps Wiring Diagram, without DRL for Ford Mustang GT 1998 List of elements for Headlamps/Fog Lamps Wiring Diagram, without DRL for Ford Mustang GT 1998: 47 (body main harn, below left side of rear seat) (dash panel to headlamp junction harn, near left side of eng compt) Anti-theft controller module (in left rear of trunk, behind trim panel) C250 C251 Dimmer switch Drl fog horns fuse 20a Engine compartment fuse box Fog lamp switch Fog lamps relay Fuse 10a Fuse 20a G100 (left front of engine compartment) G101 (right front of engine compartment) G206 (behind center of dash) G302 (below rear of center console) Head Hi-beam indicator Horns system Hot at all times I/p fuse panel Illumination Instrument cluster Left fog light Left headlight Main light switch Multi- function switch Off On indica- tor Park Pass Pass-to-flash switch Right fog light Right headlight S103 S104 S111 S131 S133 S134 S206 S210 S230 (main harn, near warning chime module breakout) S303 S314 W/ anti- theft W/o anti- theft
HORN Horn Wiring Diagram for Ford Mustang GT 1998 List of elements for Horn Wiring Diagram for Ford Mustang GT 1998: 25 (body harn, near break- out to left front of trunk) s426 (body harn, top left of kick panel) 87a Anti-theft control module (left rear of trunk, behind trim panel) C136 C401 C404 Clockspring assembly Cruise ctrl sys Ctrl switch cround Drl fog horn fuse 20a Engine compartment fuse box (left side of engine compt, forward of strut tower) High pitch horn (left front of engine compt) Horn enable output Horn relay Horn relay output Horn switch Hot at all times Low pitch horn (left front of engine compt) Nca Remote/ keyless entry module (left rear of trunk, behind side trim panel) S249 (w/ remote keyless entry) Speed control amplifier (above left kick panel) Speed control switch assembly W/ anti- theft
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Ford Mustang GT 1998 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Ford Mustang GT 1998: 80 (3.8l: on center front of engine, below cooling system air purge port) (4.6l: on top left front of engine, left side of distributor) (4.6l only) (below rear of (body main harn, behind left side of dash) A10 A11 A12 A13 A14 A15 A16 Acc Airbag diagnostic monitor (behind lower center of dash) Airbag ind Anti- theft ind Anti-lock ind Anti-theft controller module (in left rear of trunk, behind trim panel) B10 B11 B12 B13 B14 B15 B16 Brake fluid level switch (in left rear of engine compt, on brake fluid reservoir) Brake ind Center console) g302 Charge ind Control Daytime running lamps module (in left front corner of engine compt, below horns) Engine coolant temperature sender Fasten belts ind Fuel gauge Fuel gauge sender (on top left side of fuel tank) Fuse 10a Fuse 20a G101 (right front of engine compt) G206 (behind center of dash) G302 (below rear of center console) Generator voltage regulator Grd High beam ind Hot in start or run I/p fuse panel Ignition switch Illum (2 used) Illum (3 used) Indicator Instrument cluster Left turn ind Lock Low coolant ind Low engine coolant switch (4.6l only) (in left front of engine compt, in coolant reservoir) Main light sw: rheostat Malfunction ind lamp Multi-function switch Off Oil press gauge Park brake switch (on park brake assy) Passive anti- theft module (in dash, by wiper control module) Right turn ind Run S100 S163 S205 S206 S228 S229 S246 (body main harn, near breakout to clutch pedal position switch) S254 S301 Slosh module Speedometer Start Tachometer Temp gauge Trans control ind (od off) Voltmeter W/ drl W/o drl Instrument Cluster Wiring Diagram (2 of 2) for Ford Mustang GT 1998 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Ford Mustang GT 1998: 62 (3.8l/4.6l 2v) (dash to hdlmp harn, right front side of engine comt) s136 (engine control sensor harness, near grommet) s240 (multi-function (not used) Abs diagnostic connector (left side of engine compt fuse box) Anti-lock brake control module (in right front of Anti-theft system (anti-theft diode) Behind radiator) C141 C142 Convertible Coupe Cruise control system Daytime running lamps module (in left front corner of engine compt, below horns) Driver door open in Engine compartment, Engine oil pressure switch (3.8l: on lower left front of engine, above oil filter) (4.6l: on left front of engine, below valve cover) Fuse 10a Fuse 15a G203 (behind dash, at right kick panel) G302 (below rear of center console) Ground Head Headlamp on in Headlights Hot at all times Hot in acc or run I/p fuse panel Ign Ignition key warning switch (in ignition switch) Key-in ign in Left courtesy lamp switch Light sw Lower relay (behind rear seat, left side of convertible top motor) Main Nca Off Park Powertrain control module (pcm) (behind right kick panel) Raise relay (behind top center of rear seat, left side of con- vertible top motor) Red/pnk S203 S221 S226 S231 S235 S237 (body harn, behind left side of dash) S302 S504 Seat belt lt out Seat belt sw in Seat belt switch (in drivers' seat belt buckle) Switch) System Tone generator Vehicle speed sensor (on left rear of transmission) W/ anti- theft W/ drl W/o anti- theft W/o drl Warning chime module (behind center of dash, to right of radio)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, with Remote/Keyless Entry for Ford Mustang GT 1998 List of elements for Courtesy Lamps Wiring Diagram, with Remote/Keyless Entry for Ford Mustang GT 1998: 41 (interior lamp lamp harn, near center of windshield header) s902 (interior lamp lamp harn, near dome/map lamp breakout) Battery Battery saver output C400 C401 C402 Conv Conv. Coupe Dome Dome/ map lamp Dome/map lamp Door switch input Fuse 10a G302 (below rear of center console) Hi mount stop/ luggage compartment lamp assembly Hot at all times I/p fuse panel In remote/keyless entry module breakout) Interior lamps output Left courtesy lamp switch (in front of left door jamb) Left vanity mirror lamp Luggage compartment lamp Luggage compartment lamp switch (center rear of trunk lid) Main light switch Map Nca Power mirror switch Remote/ keyless entry module (left rear of trunk, behind side trim) Right courtesy lamp switch (in front of right door jamb) Right vanity mirror lamp S221 S306 S407 S410 S428 (body main harn, in remote/keyless entry module breakout) S504 S901 S902 Trunk lid lamp output Courtesy Lamps Wiring Diagram, without Remote/Keyless Entry for Ford Mustang GT 1998 List of elements for Courtesy Lamps Wiring Diagram, without Remote/Keyless Entry for Ford Mustang GT 1998: 25 (interior lamp lamp harn, near dome/map lamp breakout) s902 Conv Coupe Dome Dome/ map lamp Fuse 10a G302 (below rear of center console) Hi mount stop/ luggage compartment lamp assembly Hot at all times hot at all times hot at all times hot at all times I/p fuse panel Left courtesy lamp switch (in front of left door jamb) Left vanity mirror lamp Luggage compartment lamp Luggage luggage luggage compartment compartment compartment lamp switch lamp switch lamp switch (center rear (center rear (center rear of trunk lid) of trunk lid) of trunk lid) Main light switch Map Nca Right courtesy lamp switch (in front of right door jamb) Right vanity mirror lamp S221 S249 S306 S320 (body main harn, near left kick panel) S407 S504 Instrument Illumination Wiring Diagram for Ford Mustang GT 1998 List of elements for Instrument Illumination Wiring Diagram for Ford Mustang GT 1998: 45 (radio amplifier harn, behind center of dash) s238 2 bulbs 3 bulbs A/c heater control illumination C250 C251 C257 C280 C281 Cd player Courtesy lights circuit Dome Exterior lights system Fog lamp switch Fuse 10a Fuse 5 15a Fuse 8 10a G206 (behind center of dash) G302 (below rear of center console) Ground Head Hot at all times I/p fuse panel Illum Illumination Instrument cluster Main light switch Off Park Radio Rear window defrost control switch S201 S203 S206 S209 S221 S230 (main harn, near warning chime module breakout) S301 S302 S303 Super sound Transmission control switch (tcs) W/ cd player W/ premium or W/o premium or
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Ford Mustang GT 1998 List of elements for Power Distribution Wiring Diagram (1 of 3) for Ford Mustang GT 1998: 74 (console panel harn, in fog lamp switch breakout) s305 (dash panel to headlamp junction harn, near engine compt fuse box breakout) (eng cntrl sens harn, near air injection pump breakout) s145 (radio amp harn, below side of rear seat) (radio amp harn, left side of trunk) 3.8l 4.6l Abs fuse 20a Abs fuse 40a Air injection reaction bypass Air injection reaction relay Alt fuse 20a Amplifier Anti-lock brake control module Audio fuse 25a Auxiliary power socket Battery Brake pedal position switch Brake pressure switch C282 Cig illum fuse 30a Cigar lighter Constant control relay module Conv top fuse 25a Daytime running lights module Driver's seat control switch Drl, fog, horns fuse 20a Eec fuse 20a Electronic flasher Engine compartment fuse box (left side of engine compt) Fan circuit breaker 30a Fan fuse 60a Fog lamps relay (engine compt. fuse box) Front speaker subwoofer amplifier Fuel pump fuse 20a Fuse 15a G300 (below rear of center console) Generator/ voltage regulator Hd lps fuse 50a Horn relay (engine compt fuse box) Htd bl fuse 40a I/p fuse panel (below left side of dash) Ign sw fuse 40a Int lps fuse 25a Left power lumbar seat switch Lower relay Main light switch Power seat fuse 25a Powertrain control module Premium sound Raise relay Rear speaker subwoofer amplifier Rear window defrost control switch Red S102 S108 (eng control sens harn, right side of eng compt) S109 (dash panel to headlamp junction harn, lower left side of eng compt) S111 S207 (body main harn, behind right side of dash) S212 (radio amp harn, center of dash) S303 S409 (near convert top motor breakout) S431 S432 Starter motor/ solenoid Starter relay Super sound Tan/ red Therm fuse 30a To fuse 8 (i/p fuse block) (diagram 2 of 3) To ignition switch (diagram 2 of 3) To ignition switch (diagram 3 of 3) To splice s215 (diagram 2 of 3) W/ drl only Power Distribution Wiring Diagram (2 of 3) for Ford Mustang GT 1998 List of elements for Power Distribution Wiring Diagram (2 of 3) for Ford Mustang GT 1998: 88 (body main harn, behind left side of dash) (body main harn, behind left side of dash) s219 (body main harn, left rear of trunk) s412 (body main harn, left side of trunk) (body main harn, left side of trunk) s410 (interior lamp harn, center of windshield header) s902 (main harn, behind left side of dash) s210 (main harn, near ignition switch breakout) (main harn, near lock breakout) s218 A/c- heater control assembly A/t Acc Air bag diagnostic monitor Anti-lock brake control module Anti-theft controller module Backup lamp switch C250 C257 C276 C281 C401 C404 Cd player Circuit breaker 12 20a Convertible Convertible only Convertible top switch Coupe Coupe only Data link connector Daytime running lamps module Dome/ map lamp Dome/map lamp Electronic flasher From hd lps fuse (engine compt fuse box) (diagram 1 of 3) From ign sw fuse (engine compt fuse box) (diagram 1 of 3) Fuse 10a Fuse 15a Fuse 20a Fuse 30a Heater control assembly I/p fuse panel (below left side of dash) Ignition switch Instrument cluster Intake manifold runner control Left courtesy lamp switch Left vanity mirror lamp Lock Luggage compartment lamp switch M/t Main light switch Master window/ door lock control switch Module Multi- function switch Nca Off Passive anti- theft system control Power mirror switch Radio Rear window defrost control switch Remote/keyless entry module Right courtesy lamp switch Right vanity mirror lamp Right window/ door lock control switch Run S214 (main harn, near main light switch breakout) S215 S216 S220 (main harn, near multi- function sw breakout) S221 (main harn, near rear window defrost control switch breakout) S306 S411 S504 (left door window rag harn, in left front door) S902 Shift lock actuator Sta Start Starting/ charging system To ignition switch (pin b5) (diagram 3 of 3) Transmission control switch Transmission range sensor Trunk lid release switch W/ a/c W/ remote keyless entry W/ remote/ keyless entry W/o a/c W/o remote keyless entry W/o remote/ keyless entry Power Distribution Wiring Diagram (3 of 3) for Ford Mustang GT 1998 List of elements for Power Distribution Wiring Diagram (3 of 3) for Ford Mustang GT 1998: 59 (body main harn, in remote/keyless entry module breakout) (eng control sensor harn, right side of eng compt) (fuel charge harn, near on eng coolant temp sender breakout) (left door reg harn, in left front door) s505 (main harn, behind left side of dash) s224 (main harn, behind left side of dash) s229 (main harn, in clock breakout) s226 (main harn, in wiper control module breakout) s225 (not used) 3.8l 4.6l A/c- heater control assembly Acc Air bag diagnostic monitor Anti-theft controller module C250 C251 Circuit breaker 14 20a Clock Constant control relay module Convertible w/ anti-theft or illuminated entry Convertible w/ power windows/door locks only Coupe From ign sw fuse (engine compartment fuse box) (diagram 1 fo 3) From ignition switch (pin b4) (diagram 2 of 3) Fuse 10a Fuse 15a Fuse 20a Fuse 30a I/p fuse panel (below left side of dash) Ignition coil Ignition coils 1 & 2 Ignition coils 3 & 4 Ignition switch Instrument cluster Left radio interference capacitor Lock Master window/ door lock control switch Master window/door lock control switch Nca Off One touch down power window module Passive anti-theft system (pats) control module Radio Radio interference capacitor Remote/ keyless entry module Right radio interference capacitor Right window/ door lock control switch Run S105 S228 (main harn, in instrument cluster breakout) S413 Speed control amplifier Start W/ rke W/o rke Warning chime module Windshield wiper motor Wiper control module
POWER DOOR LOCKS Door Lock Wiring Diagram for Ford Mustang GT 1998 List of elements for Door Lock Wiring Diagram for Ford Mustang GT 1998: 13 Circuit breaker 20a G302 (below rear of center console) Hot at all times I/p fuse panel Left door lock motor Lock Master window/ door lock control switch Right door lock motor Right window/ door lock control switch S501 S602 (right door window reg harn, near breakout to right front super sound speaker) S603 (right door window reg harn, near breakout to right front super sound speaker) Unlock Keyless Entry Wiring Diagram for Ford Mustang GT 1998 List of elements for Keyless Entry Wiring Diagram for Ford Mustang GT 1998: 70 (body harn, below rear of center console) (body harn, near breakout to rke module) (coupe) (convertible) (left rear of trunk, behind side trim panel) 10a 15a Antenna Anti-theft controller module (left rear of trunk, behind trim panel) Batt+ Batt+ save in Batt+ save out C400 C401 C402 Circuit breaker 12 20a Ctsy lps out Ctsy/dr sw in Dr ajar out Exterior lamps Fuse 6 Fuse 8 G206 (behind center of dash) G302 (below rear of center console) Gnd Horn output Horns Hot at all times Hot in acc or run I/p fuse panel Ignition sw in Interior lamps Left courtesy lamp switch Left door lock motor Lk drs out Lk in Lock Main lamp switch Master window/door lock control switch Near break- out to rke module) Park lps out Power Program a Program b Rel trnk out Remote/keyless entry module Right courtesy lamp switch Right door lock motor Right window/door lock control switch Rke module program connector (left rear of trunk, behind side trim panel) S221 S302 S316 S401 S403 s402 S410 S411 S413 S423 (body harn, near left side of trunk) S424 (body harn, near breakout to rke mod) S427 S501 Signal ground Transmitter in Trnk lp out Trunk lid release solenoid Trunk lid release switch Unlk in Unlk lt dr Unlk rt dr Unlock
POWER MIRRORS Power Mirror Wiring Diagram for Ford Mustang GT 1998 List of elements for Power Mirror Wiring Diagram for Ford Mustang GT 1998: 17 Directional switch Fuse 10a G302 (below rear center of console) Hot at all times I/p fuse panel (behind dash, left of steering column) L/r motor Left power mirror Mirror select switch Nca Nca m Power mirror switch Red Right power mirror S501 S504 S506 (left door window regulator harn, near breakout to left front speaker) Up/dn motor
POWER SEATS Power Seat Wiring Diagram for Ford Mustang GT 1998 List of elements for Power Seat Wiring Diagram for Ford Mustang GT 1998: 18 Down Driver seat control switch Driver's seat motor assembly Engine compartment fuse box (in left side of eng compt, forward of strut tower) Entire seat Fwd Fwd/rwd motor G302 (below rear of center console) Height motor Hot at all times Left power lumbar compressor motor Left power lumbar seat switch M m Nca Power seat fuse 25a Rear of seat Rwd S302
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Ford Mustang GT 1998 List of elements for Power Top/Sunroof Wiring Diagrams for Ford Mustang GT 1998: 27 (behind rear seat, left side of conv top motor) lower relay 87a Below horns) C170 Conv top circuit breaker 25a Convertible top motor (behind bottom center of rear seat) Convertible top switch Daytime running lamps module (left front corner of engine compt, Drl disable Engine compt fuse box (left side of engine compt, forward of strut) Fuse 15a G302 (below rear of center console) Hot at all times Hot in run I/p fuse panel (behind dash, left of steering column) Lower Nca Park brake switch (on right rear of parking brake lever assembly) Raise Raise relay (behind rear seat, left side of conv top motor) Red S219 S246 (body harn, near breakout to clutch pedal position sw) S402 S409 W/ drl W/o drl
POWER WINDOWS Power Window Wiring Diagram, Convertible for Ford Mustang GT 1998 List of elements for Power Window Wiring Diagram, Convertible for Ford Mustang GT 1998: 28 (or pnk) Circuit breaker 20a G300 (1997) g302 (except 1997) (below rear of center console) Hot in acc or run I/p fuse panel (behind dash, left of steering column) Left door window motor Left front window switch Left rear window motor Left rear window switch Lock Master window/ door lock control switch Nca One touch down power window module (lower rear of left door) Pnk Red Right door window motor Right front window switch Right rear window motor Right rear window switch Right window/ door lock control switch S501 S505 S510 (left door window reg harn, near breakout to pwr mirror switch) Solid state Unlock W/ keyless entry W/o keyless entry Window lock switch Power Window Wiring Diagram, Coupe for Ford Mustang GT 1998 List of elements for Power Window Wiring Diagram, Coupe for Ford Mustang GT 1998: 18 (1997) g300 (except 1997) g302 (below rear of center console) Circuit breaker 20a Hot in acc or run I/p fuse panel (left of steering column) Left door window motor Master window/ door lock control switch Nca One touch down power window module (lower rear of left door) Red Right door window motor Right window/ door lock control switch S501 S503 S505 S510 (left dr wndw reg harn, near pwr mir sw) Solid state W/ keyless entry W/o keyless entry
RADIO Base Radio for Ford Mustang GT 1998 List of elements for Base Radio for Ford Mustang GT 1998: 30 Antenna C257 C258 Fuse 10a Fuse 15a Fused ignition G206 (behind center of dash) Ground Hot at all times Hot in run or acc I/p fuse panel (behind dash, left of steering column) Illuminaton Interior lights system L front spkr (+) L front spkr (-) L rear spkr (+) L rear spkr (-) Left door speaker Left rear speaker Nca Power (b+) R front spkr (+) R front spkr (-) R rear spkr (+) R rear spkr (-) Radio Right door speaker Right rear speaker S201 S221 Premium Sound Radio Wiring Diagram for Ford Mustang GT 1998 List of elements for Premium Sound Radio Wiring Diagram for Ford Mustang GT 1998: 97 (behind center of dash) g206 (w/ cd) (w/o cd) Amplifier Antenna Audio fuse 25a Audio input (+) Audio input (-) Audio mute Audio on Audio out (+) Audio out (-) Audio system on C274 C278 C279 C280 C281 C282 C283 C284 C408 C409 C439 C440 Cd changer Cd left (+) Cd left (-) Cd right (-) Cd rigth (+) Engine compartment fuse box (left side of engine compt) Front speaker subwoofer amplifier Front spkr shld Fuse 10a Fuse 15a Fused ignition G206 (behind center of dash) Ground High audio (+) High audio (-) High audio mute Hot at all times Hot in run or acc I/p fuse panel (behind dash, left of steering column) Illumination Interior lights system L front (+) in L front (-) in L front spkr (+) L front spkr (-) L rear (+) in L rear (-) in L rear spkr (+) L rear spkr (-) Left door speaker Left front super sound speaker Left rear speaker Left rear super sound speaker Left sig in Left sig out Logic sense Low audio (+) Low audio (-) Low audio mute Nca Power R front (+) in R front (-) in R front spkr (+) R front spkr (-) R rear (+) in R rear (-) in R rear spkr (+) R rear spkr (-) Radio Rear speaker subwoofer amplifier Rear spkr shld Right door speaker Right front super sound speaker Right rear speaker Right rear super sound speaker Right sig in Right sig out S208 S209 s201 S212 S222 S404 S405 S431 S432 S433 (amp harn, below left side of rear seat) S434 (amp harn, below left side of rear seat) S436 S437 (amp harn, below left side of rear seat) Signal return Tan With super sound only
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Ford Mustang GT 1998 List of elements for Shift Interlock Wiring Diagram for Ford Mustang GT 1998: 15 (main harn, in breakout to multi-function switch) s241 Brake pedal position (bpp) switch (on brake pedal support) Exterior lights system Fuse 1 15a Fuse 9 15a G206 (behind center of dash) Hot at all times Hot in run I/p fuse panel (behind dash, left of steering column) S203 S207 S218 S232 (body harn, near breakout to deactivator switch, on clutch pedal support) Shift lock actuator (on steering column, near ignition switch) Solid state
STARTING/CHARGING Charging Wiring Diagram for Ford Mustang GT 1998 List of elements for Charging Wiring Diagram for Ford Mustang GT 1998: 22 3.8l & 4.6l sohc only Alt fuse 20a Battery C1006 C153 C154 C163 C250 Charge indicator lamp Engine compart- ment fuse box Fuse 20a G100 (left front of engine compt) G110 (left front of engine) Generator/ voltage regulator Ground distribution system Hot in run or start I/p fuse panel Instru- ment cluster Ohms Red S228 Starter motor/ solenoid Starting Wiring Diagram, A/T for Ford Mustang GT 1998 List of elements for Starting Wiring Diagram, A/T for Ford Mustang GT 1998: 26 (left front of engine compt) (left front of engine) Acc Anti-theft controller module (left rear of trunk) Battery C163 Digital trans- mission range (dtr) sensor (rear left side of trans) Engine compart- ment fuse box G100 G100 (left front of engine compt) G110 Ground distribution system Ign sw fuse 40a Ignition switch Lock b4 Off Red Run S103 S215 Sta Start Starter motor/ solenoid (lower right rear of engine) Starter relay (in engine compt fuse box) W/ anti-theft W/o anti-theft Starting Wiring Diagram, M/T for Ford Mustang GT 1998 List of elements for Starting Wiring Diagram, M/T for Ford Mustang GT 1998: 26 (left front of engine compt) (left front of engine) Acc Anti- theft controller module (left rear of trunk) Battery C163 Clutch pedal position (ccp) switch (on clutch pedal support) Engine compart- ment fuse box G100 G100 (left front of engine compt) G110 Ground distribution system Ign sw fuse 40a Ignition switch Lock b4 Off Red Run S103 S215 Sta Start Starter motor/ solenoid (lower right rear of engine) Starter relay (in engine compt fuse box) W/ anti-theft W/o anti-theft
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Ford Mustang GT 1998 List of elements for Supplemental Restraint Wiring Diagram for Ford Mustang GT 1998: 45 (behind center of dash) (behind dash, to righ of steering) column) data link connector (dlc) (behind right side of dash) air bag diagnostic connector (main harness, behind center of dash) (main harness, behind left side of dash) (main harness, near lock breakout) (main harness, near multifunction switch breakout) * pin shorting bar is engaged when module connector is disconnected Air bag Air bag diagnostic monitor (behind lower center of dash) Air bag feed Air bag ind Air bag ret C237 C251 C276 C277 Data link con Diag conn Driver's air bag Fuse 1 15a Fuse 15 10a Fuse 4 10a G206 Ground Hot at all times Hot in run Hot in run and start I/p fuse panel (behind dash, (left of steering column) Instrument cluster L crash sens Left primary crash sensor (behind left headlight, on upper radiator support) Nca Passenger's Power (bat) Power (run) R crash sens Right primary crash sensor (behind right headlight, on upper radiator support) S201 S203 S218 S220 Shorting bar Tan/ red Tan/red
TRANSMISSION
3.8L 3.8L, Transmission Wiring Diagram for Ford Mustang GT 1998 List of elements for 3.8L, Transmission Wiring Diagram for Ford Mustang GT 1998: 102 (engine control sensor harness, near breakout to pcm) (engine control sensor harness, right rear of eng compt) (engine ctrl harness, near engine compt grommet) (fuel charge harness, near breakout to injector 6) (fuel charge harness, near brekout to etc sensor) (main harness, near breakout to datalink connector) (trans ctrl selector neutral switch harness, near breakout to vss) (transmission control selector neutral switch harness, near breakout to transmission) 4r70w transmission Anti-theft system Backup lamps, shft lock actuator, electronic flasher, rear defogger, airbag diag monitor Bpp sw input Brake pedal position (bpp) switch (on brake pedal support) Brake pressure switch Constant control relay module (behind engine coolant reservoir) Data link + Data link - Data link connector (partial) (behind dash, right of steer clmn) Data link power Digital transmission range sensor Drl module, power tops Eec fuse 20a Electronic pressure control (epc) solenoid Engine compartment fuse box (left side of engine compartment) Engine controls Engine coolant temperature (ect) sensor (front Epc sol Fuse 15a Fuse 20a G100 (left front of engine compt) G203 (behind dash at right kick panel) Ground Hot at all times Hot in run Hot in run or start I/p fuse panel (behind dash, left of steering column) Ignition coil, radio noise capacitor Ignition power Instrument cluster Instrument cluster, anti-theft module Instrument cluster, cruise control Instrument illumination Intake air temp Intake air temperature (iat) sensor (on air intake assembly) Kapwr Maf return Maf sensor sig Malfunction indicator lamp Mass air flow (maf) sensor (right side of engine compt) Mil Of engine) Oss sig Output shaft speed (oss) sensor (left side of trans- mission) Pcm power relay Powertrain control module (pcm) (behind right kick panel) Red Ref votage S105 S108 S115 S116 (engine control red harness, right side of engine compartment) S121 S125 S126 S127 S129 S130 S207 S218 S219 S228 S235 S240 S241 (main harness, near breakout to multi- function sw) S244 S250 S252 S253 Shift sol 1 Shift sol 2 Shift solenoids Signal control Ss1 Ss2 Tcc sol Tcil Temp sens Throttle position (tp) sensor (on throttle body) Torque converter clutch (tcc) solenoid Tps signal Tr1 Tr2 Tr3 Tr4 Trans cntrl sw Trans temp Transmission control indicator lamp Transmission control switch (tcs) (on center console, right of gear selector) Transmission fluid temperature sensor Vehicle speed sensor (left rear of trans- mission) Vss (-) Vss signal
4.6L 4.6L SOHC, Transmission Wiring Diagram for Ford Mustang GT 1998 List of elements for 4.6L SOHC, Transmission Wiring Diagram for Ford Mustang GT 1998: 102 (engine control sensor harness, near breakout to pcm) (engine control sensor harness, right rear of eng compt) (engine ctrl harness, near engine compt grommet) (fuel charge harness, near breakout to injector 6) (fuel charge harness, near brekout to etc sensor) (main harness, near breakout to datalink connector) (trans ctrl selector neutral switch harness, near breakout to vss) (transmission control selector neutral switch harness, near breakout to transmission) 4r70w transmission Anti-theft system Backup lamps, shft lock actuator, electronic flasher, rear defogger, airbag diag monitor Bpp sw input Brake pedal position (bpp) switch (on brake pedal support) Brake pressure switch Constant control relay module (behind engine coolant reservoir) Data link + Data link - Data link connector (partial) (behind dash, right of steer clmn) Data link power Digital transmission range sensor Drl module, power tops Eec fuse 20a Electronic pressure control (epc) solenoid Engine compartment fuse box (left side of engine compartment) Engine controls Engine coolant temperature (ect) sensor (front Epc sol Fuse 15a Fuse 20a G100 (left front of engine compt) G203 (behind dash at right kick panel) Ground Hot at all times Hot in run Hot in run or start I/p fuse panel (behind dash, left of steering column) Ignition coil, radio noise capacitor Ignition power Instrument cluster Instrument cluster, anti-theft module Instrument cluster, cruise control Instrument illumination Intake air temp Intake air temperature (iat) sensor (on air intake assembly) Kapwr Maf return Maf sensor sig Malfunction indicator lamp Mass air flow (maf) sensor (right side of engine compt) Mil Of engine) Oss sig Output shaft speed (oss) sensor (left side of trans- mission) Pcm power relay Powertrain control module (pcm) (behind right kick panel) Red Ref votage S105 S108 S115 S116 (engine control red harness, right side of engine compartment) S121 S125 S126 S127 S129 S130 S207 S218 S219 S228 S235 S240 S241 (main harness, near breakout to multi- function sw) S244 S250 S252 S253 Shift sol 1 Shift sol 2 Shift solenoids Signal control Ss1 Ss2 Tcc sol Tcil Temp sens Throttle position (tp) sensor (on throttle body) Torque converter clutch (tcc) solenoid Tps signal Tr1 Tr2 Tr3 Tr4 Trans cntrl sw Trans temp Transmission control indicator lamp Transmission control switch (tcs) (on center console, right of gear selector) Transmission fluid temperature sensor Vehicle speed sensor (left rear of trans- mission) Vss (-) Vss signal
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Ford Mustang GT 1998 List of elements for Trunk Release Wiring Diagram for Ford Mustang GT 1998: 12 C401 Circuit breaker 20a G302 (below rear of center console) Hot at all times I/p fuse panel (behind dash, left of steering column) Remote/keyless entry module (left rear of trunk, behind side trim) S407 Trunk lid release output Trunk lid release solenoid (center rear of trunk lid, on latch assembly) Trunk lid release switch W/ remote keyless entry W/o remote keyless entry
WARNING SYSTEMS Warning System Wiring Diagrams for Ford Mustang GT 1998 List of elements for Warning System Wiring Diagrams for Ford Mustang GT 1998: 45 "fasten belts" indicator (behind center of dash) g206 (main harn, behind dash, at left kick panel) (not used) Anti- theft system (anti- theft diode) C228 C251 Convertible Coupe Driver door ajar Fuse 10a Fuse 15a G206 (behind center of dash) G302 (below rear of center console) Ground Head Headlamp on Hot at all times Hot in acc or run Hot in run or start I/p fuse panel (behind dash, left of steering column) Ign Ignition key warning switch (in ignition switch) Instrument cluster Key-in ign Left courtesy lamp switch Main light switch Nca Off Park Red/ pnk Red/pnk S203 S206 S226 S229 S231 (main harn, near breakout to defrost switch) S237 S302 S504 Seat belt ind Seat belt sw Seat belt switch (in driver's seat belt buckle) Tone generator Warning chime module (behind center of dash, right side of radio)
WIPER/WASHER Wiper/Washer Wiring Diagram for Ford Mustang GT 1998 List of elements for Wiper/Washer Wiring Diagram for Ford Mustang GT 1998: 34 (1998) (1998) (1996-97) (1996-97) (behind center of dash) g206 100k ohms 1996-97 1996-97 3.3k ohms 4.08k 7.25k Fuse 30a G100 (left front of engine compt) Ground Hot in acc or run I/p fuse panel (behind dash, left of steering col) Ignition Int max Int min Motor ctl Motor pos Mult-func Multi- function switch Off Off 36.27k ohms Ohms Park Pump motr Run S101 S103 S206 S225 Wash Washer pump motor (in fluid reservoir) Washer pump washer pump motor test motor test connector connector (left side of (left side of eng compt) eng compt) Windshield wiper motor (left side of firewall) Wiper control module (behind dash, near top of left kick panel)
