Diagram sections — 19 (83 total)
AIR CONDITIONING COMPUTER DATA LINES COOLING FAN CRUISE CONTROL ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER WINDOWS SHIFT INTERLOCKS STARTING/CHARGING TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING A/C Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for A/C Wiring Diagram for Chevrolet Forward Control P30 1995: 27 A/c compressor A/c high pressure cutout switch (near compressor) A/c high pressure cutout switch (on compressor) A/c signal B/l Blend Blower motor Blower motor resistor (engine compartment, on blower housing) Blower switch Def Diode Fuse block G123 (at right side of cowl) Heat High blower relay (on evaporator housing) Hot at all times Hot in run Htr a/c fuse 25a Max Nca Norm Off Powertrain control module (behind right kick panel) Red Selector control Tan Vent Heater Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for Heater Wiring Diagram for Chevrolet Forward Control P30 1995: 8 Blower motor Blower resistor (engine compartment, on blower housing) Fuse block Heater blower switch Hot in run Htr a/c fuse 20a Med Off
COMPUTER DATA LINES
4.3L 4.3L (VIN Z), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 4.3L (VIN Z), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995: 9 (behind left side of shipping panel) (front of engine) A14 diagnostic test C 1995 vftc C201 Data link connector F9 serial data G125 Powertrain control module (behind left side of shipping panel)
5.7L 5.7L (VIN K), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 5.7L (VIN K), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995: 9 (behind left side of shipping panel) (front of engine) A14 diagnostic test C 1995 vftc C201 Data link connector F9 serial data G125 Powertrain control module (behind left side of shipping panel)
6.5L 6.5L (VIN F), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN F), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995: 6 A12 diagnostic test C 1995 vftc C14 serial data Data link connector (behind left side of shipping panel) Engine ground Powertrain control module (behind left side of shipping panel) 6.5L (VIN Y), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN Y), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995: 9 (behind left side of shipping panel) (top center front of engine) A8 diagnostic test B10 serial data C 1995 vftc C201 Data link connector G125 Transmission control module (behind left side of shipping panel)
7.4L 7.4L (VIN N), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 7.4L (VIN N), Data Link Connector Wiring Diagram for Chevrolet Forward Control P30 1995: 9 (behind left side of shipping panel) (front of engine) A14 diagnostic test C 1995 vftc C201 Data link connector F9 serial data G125 Powertrain control module (behind left side of shipping panel)
COOLING FAN Cooling Fan Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for Cooling Fan Wiring Diagram for Chevrolet Forward Control P30 1995: 10 Auxiliary cooling fan Auxiliary cooling fan pressure switch (right side of engine) Auxiliary cooling fan relay (top left side of shipping panel) Auxiliary cooling fan temperature switch (right side of engine) Fuse block G125 (top front of engine) Gauges fuse 20a Hot at all times Hot in run Red
CRUISE CONTROL Cruise Control Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Cruise Control Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 19 Brk sw input Cruise control brake switch (on brake pedal support) Cruise control module (behind left side of shipping panel) Cruise control switch Fuse block G202 (at bus bar ground) Gages fuse 20a Ground Hot in run or start Ign Nca On/ off On/off input R/a R/a input S/c S/c input Vehicle speed sensor buffer (left side of shipping panel) Vss input Cruise Control Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Cruise Control Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 19 Alt fuse 20a Brk sw input Cruise control activator Cruise control brake switch (on brake pedal support) Cruise control module (behind left side of shipping panel) Fuse block G114 (left rear of engine) Ground Hot in run or start Ign On/ off On/off input R/a R/a input S/c S/c input Tan Vehicle speed sensor buffer (left side of shipping panel) Vss input
ENGINE PERFORMANCE
4.3L 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T Except Cutaway (2 of 3) for Chevrolet Forward Control P30 1995 List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T Except Cutaway (2 of 3) for Chevrolet Forward Control P30 1995: 34 (center rear 4.3l and 7.4l 5.7l Accy Alt fuse 20a Bulb test Distributor Engine coolant temperature sensor (top front of engine) Fuse block G125 (at generator bracket) Hot at all times Hot in run, bulb test, or start Idle speed actuator control solenoid (no location available) Ignition coil (top right rear of engine) Ignition switch Instrument cluster Knock sensor (left rear of engine, near oil pressure sender) Knock sensor module (top right side of engine) Lock Malfunction (service engine soon) indicator Manifold absolute pressure sensor (above valve cover) Nca Of engine) Off Pnk Pnk b Pnk/ Provisions for tachometer Red Run Start Tcc/brake switch (on brake pedal support bracket) Throttle position sensor (on throttle body) Trans fuse 10a 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T Except Cutaway (3 of 3) for Chevrolet Forward Control P30 1995 List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T Except Cutaway (3 of 3) for Chevrolet Forward Control P30 1995: 28 1-2 shift soleniod 2-3 shift soleniod 4.3l 5.7l and 7.4l Bh conn pin h2 Data link connector (behind left side of shipping panel) Ecm-bat fuse 10a Electronic 4-speed automatic overdrive transmission Fuel pump and sender (in fuel tank) Fuel pump oil pressure switch (top rear of engine) Fuel pump prime connector (no location available) Fuel pump relay (lower left side of shipping panel) Fuse block G125 (at generator bracket) G125 (front of engine near thermostat) G402 (left frame rail near fuel tank) Heated oxygen sensor (in exhaust manifold) Hot at all times Nca Oxygen sensor (in exhaust manifold) Pnk Pressure control solenoid Range mode selector Red Torque converter clutch solenoid Trans- mission temp sensor Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (behind right side of i/p) 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Forward Control P30 1995 List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Forward Control P30 1995: 76 (engine ground) A10 A11 A12 A13 A14 A15 A16 B10 B11 B12 B13 B14 B15 B16 Battery feed Data link connector (behind left side of shipping panel) Diagnosis test E10 E11 E12 E13 E14 E15 E16 Ecm bat fuse 10a Ecm-crnk fuse 10a Ect signal Egr control Engine coolant temperature sensor (top front of engine) F10 F11 F12 F13 F14 F15 F16 Fuel pump relay ctrl Fuel pump signal Fuse block Ground Ho2s ground Ho2s signal Hot at all times Hot in run, bulb test, or start Iac "a" high Iac "a" low Iac "b" high Iac "b" low Ic bypass Ic ref high Ic ref low Ic signal Idle air control actuator (top rear of engine) Ignition fused Inj fuse 7.5a Injector 1 ctrl Injector 2 ctrl Knock sensor signal Manifold absolute pressure sensor (top rear of engine) Map ground Map reference Map signal Mil Powertrain control module (left side of shipping panel) Red Serial data Tan Throttle body fuel injector #1 (top of throttle body unit) Throttle body fuel injector #2 (top of throttle body unit) Throttle position sensor (top right side of engine) Tp reference Tp signal Tp/ect ground Vss Vss signal 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Forward Control P30 1995 List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Forward Control P30 1995: 31 (engine ground) Accy Alt fuse 20a Bulb test Distributor (top rear of engine) Egr solenoid (top right side of engine) For tachometer Fuel pump and sender (in fuel tank) Fuel pump oil pressure switch (top rear of engine) Fuel pump prime connector Fuel pump relay (lower left side of shipping panel) Fuse block Heated oxygen sensor (in exhaust manifold) Hot at all times Hot in run, bulb test, or start Ignition coil (top of engine, near distributor) Ignition switch Instrument cluster Knock sensor (right side of engine) Lock Malfunction (service engine soon) indicator Nca Off Pnk Pnk b Provisions Red Run Start Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (behind right side of i/p)
5.7L 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T Except Cutaway (2 of 3) for Chevrolet Forward Control P30 1995 List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T Except Cutaway (2 of 3) for Chevrolet Forward Control P30 1995: 34 (center rear 4.3l and 7.4l 5.7l Accy Alt fuse 20a Bulb test Distributor Engine coolant temperature sensor (top front of engine) Fuse block G125 (at generator bracket) Hot at all times Hot in run, bulb test, or start Idle speed actuator control solenoid (no location available) Ignition coil (top right rear of engine) Ignition switch Instrument cluster Knock sensor (left rear of engine, near oil pressure sender) Knock sensor module (top right side of engine) Lock Malfunction (service engine soon) indicator Manifold absolute pressure sensor (above valve cover) Nca Of engine) Off Pnk Pnk b Pnk/ Provisions for tachometer Red Run Start Tcc/brake switch (on brake pedal support bracket) Throttle position sensor (on throttle body) Trans fuse 10a 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T Except Cutaway (3 of 3) for Chevrolet Forward Control P30 1995 List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T Except Cutaway (3 of 3) for Chevrolet Forward Control P30 1995: 28 1-2 shift soleniod 2-3 shift soleniod 4.3l 5.7l and 7.4l Bh conn pin h2 Data link connector (behind left side of shipping panel) Ecm-bat fuse 10a Electronic 4-speed automatic overdrive transmission Fuel pump and sender (in fuel tank) Fuel pump oil pressure switch (top rear of engine) Fuel pump prime connector (no location available) Fuel pump relay (lower left side of shipping panel) Fuse block G125 (at generator bracket) G125 (front of engine near thermostat) G402 (left frame rail near fuel tank) Heated oxygen sensor (in exhaust manifold) Hot at all times Nca Oxygen sensor (in exhaust manifold) Pnk Pressure control solenoid Range mode selector Red Torque converter clutch solenoid Trans- mission temp sensor Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (behind right side of i/p) 5.7L (VIN K), Engine Performance Wiring Diagrams, Cutaway Chassis (2 of 3) for Chevrolet Forward Control P30 1995 List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, Cutaway Chassis (2 of 3) for Chevrolet Forward Control P30 1995: 29 (center rear Accy Bulb test Distributor Engine coolant temperature sensor (top front of engine) Fuse block Gages fuse 20a Hot at all times Hot in run, bulb test, or start Ignition coil (top right rear of engine) Ignition switch Instrument cluster Knock sensor (left rear of engine, near oil pressure sender) Lock Malfunction (service engine soon) indicator Manifold absolute pressure sensor (above valve cover) Nca Of engine) Off Pnk Pnk b Pnk/ Provisions for tachometer Red Run Start Tcc/brake switch (on brake pedal support bracket) Throttle position sensor (on throttle body) Trans fuse 10a 5.7L (VIN K), Engine Performance Wiring Diagrams, Cutaway Chassis (3 of 3) for Chevrolet Forward Control P30 1995 List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, Cutaway Chassis (3 of 3) for Chevrolet Forward Control P30 1995: 24 1-2 shift soleniod 2-3 shift soleniod Bh conn pin h2 Data link connector (behind left side of shipping panel) Electronic 4-speed automatic overdrive transmission Fuel pump and sender (in fuel tank) Fuel pump fuse 20a Fuel pump oil pressure switch (top rear of engine) Fuel pump prime connector (top of cowl) Fuel pump relay (lower left side of shipping panel) Fuse block G125 (at generator bracket) G125 (front of engine near thermostat) G402 (left frame rail near fuel tank) Hot at all times Nca Pnk Pressure control solenoid Range mode selector Red Torque converter clutch solenoid Trans- mission temp sensor Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (behind right side of i/p)
6.5L 6.5L (VIN F), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN F), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Forward Control P30 1995: 97 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 4 wheel drive low switch 4 whl low sw 5v ref A range mode selector Accelerator pedal position (app) module (top of accelerator bracket) App 1 sens 5v ref App 1 sens gnd App 1 sensor App 2 sens gnd App 2 sensor App 3 sens 5v ref App 3 sens gnd App 3 sensor App sens 1 sig App sens 2 sig B/h Baro sig Battery feed Block Boost sig C10 C11 C12 C13 C14 C15 C16 Ckp sig Closure grd Control Cruise Cruise on/off sig D10 D11 D12 D13 D14 D15 D16 Data link connector (no location available) Ect sig Electronic 4-speed automatic overdrive transmission Eng shut-off ctrl Engine coolant temperature (ect) sensor (right side of engine) Engine ground (no location available) Engine shut- off solenoid (top front of engine) Fuel inj ctrl Fuel inj sig Fuel solenoid (top front of engine) Fuel solenoid driver (top front of engine) Fuse Fusible link (no location available) Glow plug rly ctrl Hi resolution sig Hot at all times Hot in run or start Mil Optical sens 5v ref Optical sens cam sig Optical sens gnd Optical sensor and fuel temper- ature sensor (top front of engine) Pnk Powertrain control module (pcm) (left side of driver's island) Press ctrl sol Press ctrl sol lo Pressure control sol Range signal a Range signal b Range signal c Red Resume/accel sig Sensor gnd Serial data Set/coast sig System System gnd Tan Tcc brake sw Tcc sol Tcc sol ctrl (pwm) Trans fluid temp (tft) sensor Trans fluid temp sig Trans fuse 10a Trans input spd hi Trans input spd lo Trans output Trans output spd sig Transmission input speed sensor Vehicle speed sensor (left rear side of transmission) Vehicle speed sensor buffer (no location available) Vss Vss input Vss output 6.5L (VIN F), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN F), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Forward Control P30 1995: 67 "service engine soon" lamp "service throttle" lamp (no location available) (on brake (upper rear of engine) A/c sig A10 A11 A12 Air conditioning system All times Alt fuse 20a App 2 sens 5v ref App 3 sens sig B10 B11 B12 Baro sensor (no location available) C red Crankshaft position sensor (top front of engine, inside Cruise ctrl brake sig Diagnostic request Ecm-crnk fuse 10a Fuel heater (no location available) Fuel pump (no location available) Fuel pump oil pressure switch Fuel pump relay (no location available) Fuel temp sig Fuse block Fusible link Fusible links Glow plug control relay (right rear top of engine) Glow plug sig Ground Ground (no location available) Hot at Hot at all times Hot in run, bulb test or start Hot in start or run Iat sig Ignition feed Injection pump) Injection timing stepper (its) motor (top front of engine) Instrument cluster Instrument clusters system Intake air temperature (iat) sensor (at front of engine) Its coil 1 hi Its coil 1 lo Its coil 2 hi Its coil 2 lo Left bank glow plugs Manifold absolute pressure sensor (no location available) Pedal Pnk Powertrain control module (pcm) (left side of driver's island) Red Right bank glow plugs Starting/ charging system Stop fuse 15a Stop lamp/ cruise control brake switch (on brake pedal support) Support) Switch Tan Tcc brake Wait lamp Wastegate sol ctrl Wastegate solenoid (left rear top of engine) 6.5L (VIN Y), Engine Performance Wiring Diagrams, M/T for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN Y), Engine Performance Wiring Diagrams, M/T for Chevrolet Forward Control P30 1995: 35 (18 ga-rust) (no location available) (on starter motor) Accy Alt fuse 20a Bulb test Cold advance fast idle temperature switch (right rear of engine) Cold advance solenoid (top front of engine) Fast idle solenoid (top left side of engine) Fuel heater (top rear of engine) Fuel shut- off solenoid (top front of engine) Fuse block Fusible link (12 ga- Fusible link (20 ga- Fusible links G125 (front of engine) Glow plug controller (left side of engine) Glow plug wait lamp Ground (no location available) Hot at all times Hot in run or start Hot in start Instrument cluster Left bank glow plugs Lock Nca Off Pnk Red Right bank glow plugs Run Rust) Start Water- in-fuel indicator Water-in fuel sensor (top rear of engine)
7.4L 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T Except Cutaway (2 of 3) for Chevrolet Forward Control P30 1995 List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T Except Cutaway (2 of 3) for Chevrolet Forward Control P30 1995: 34 (center rear 4.3l and 7.4l 5.7l Accy Alt fuse 20a Bulb test Distributor Engine coolant temperature sensor (top front of engine) Fuse block G125 (at generator bracket) Hot at all times Hot in run, bulb test, or start Idle speed actuator control solenoid (no location available) Ignition coil (top right rear of engine) Ignition switch Instrument cluster Knock sensor (left rear of engine, near oil pressure sender) Knock sensor module (top right side of engine) Lock Malfunction (service engine soon) indicator Manifold absolute pressure sensor (above valve cover) Nca Of engine) Off Pnk Pnk b Pnk/ Provisions for tachometer Red Run Start Tcc/brake switch (on brake pedal support bracket) Throttle position sensor (on throttle body) Trans fuse 10a 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T Except Cutaway (3 of 3) for Chevrolet Forward Control P30 1995 List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T Except Cutaway (3 of 3) for Chevrolet Forward Control P30 1995: 28 1-2 shift soleniod 2-3 shift soleniod 4.3l 5.7l and 7.4l Bh conn pin h2 Data link connector (behind left side of shipping panel) Ecm-bat fuse 10a Electronic 4-speed automatic overdrive transmission Fuel pump and sender (in fuel tank) Fuel pump oil pressure switch (top rear of engine) Fuel pump prime connector (no location available) Fuel pump relay (lower left side of shipping panel) Fuse block G125 (at generator bracket) G125 (front of engine near thermostat) G402 (left frame rail near fuel tank) Heated oxygen sensor (in exhaust manifold) Hot at all times Nca Oxygen sensor (in exhaust manifold) Pnk Pressure control solenoid Range mode selector Red Torque converter clutch solenoid Trans- mission temp sensor Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (behind right side of i/p) 7.4L (VIN N), Engine Performance Wiring Diagrams, Cutaway Chassis (2 of 3) for Chevrolet Forward Control P30 1995 List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, Cutaway Chassis (2 of 3) for Chevrolet Forward Control P30 1995: 29 (center rear Accy Bulb test Distributor Engine coolant temperature sensor (top front of engine) Fuse block Gages fuse 20a Hot at all times Hot in run, bulb test, or start Ignition coil (top right rear of engine) Ignition switch Instrument cluster Knock sensor (left rear of engine, near oil pressure sender) Lock Malfunction (service engine soon) indicator Manifold absolute pressure sensor (above valve cover) Nca Of engine) Off Pnk Pnk b Pnk/ Provisions for tachometer Red Run Start Tcc/brake switch (on brake pedal support bracket) Throttle position sensor (on throttle body) Trans fuse 10a 7.4L (VIN N), Engine Performance Wiring Diagrams, Cutaway Chassis (3 of 3) for Chevrolet Forward Control P30 1995 List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, Cutaway Chassis (3 of 3) for Chevrolet Forward Control P30 1995: 24 1-2 shift soleniod 2-3 shift soleniod Bh conn pin h2 Data link connector (behind left side of shipping panel) Electronic 4-speed automatic overdrive transmission Fuel pump and sender (in fuel tank) Fuel pump fuse 20a Fuel pump oil pressure switch (top rear of engine) Fuel pump prime connector (top of cowl) Fuel pump relay (lower left side of shipping panel) Fuse block G125 (at generator bracket) G125 (front of engine near thermostat) G402 (left frame rail near fuel tank) Hot at all times Nca Pnk Pressure control solenoid Range mode selector Red Torque converter clutch solenoid Trans- mission temp sensor Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer (behind right side of i/p)
EXTERIOR LIGHTS Exterior Light Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Exterior Light Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995: 37 Backup lamp switch (top of steering column, a/t) (top left front of transmission, m/t) Brake switch (on brake pedal support) Fuse block: i/p G203 (in i/p harness) G415 (along left frame rail, near fuel tank) Hazard Hazard flasher (right side of steering column) Head Headlight switch Hot at all times Hot in run, bulb test or start I/p dimmer switch Instrument cluster Left backup lamp Left front marker lamp Left front park/ turn lamp Left license lamp Left tail/stop/ turn lamp Left turn indicator Normal Off Park Provisions for park lamps Provisions for rear marker lamps Right backup lamp Right front marker lamp Right front park/ turn lamp Right license lamp Right tail/stop/ turn lamp Right turn indicator Stop-haz fuse 15a Tail lps fuse 20a Turn left Turn right Turn signal flasher Turn-b/u fuse 15a Turn/hazard switch (left side of steering column) Exterior Light Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Exterior Light Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 44 (behind left side of i/p) (ground bus bar) Backup lamp switch (on steering column) Fuse block (behind left side of i/p) G# n/a (in rear lamps harness) G111 (engine compartment, behind battery) G202 (at bus bar ground, near fuse block) G202 (near fuse block) G402 (along left frame rail, on rear crossmember) Hazard Hazard flasher Head Headlight switch Hot at all times Hot in run or start Instrument cluster Interior lights system Left backup lamp Left front marker lamp Left front park/ turn lamp Left license lamp Left park lamp Left tail/stop/ turn lamp Left turn indicator Normal Off Park Provisions for clearance lamps Provisions for rear marker lamps Right backup lamp Right front marker lamp Right front park/ turn lamp Right license lamp Right park lamp Right tail/stop/ turn lamp Right turn indicator Stop-haz fuse 15a Stoplamp switch (on brake pedal support bracket) Tail lps fuse 20a Turn left Turn right Turn signal flasher Turn-b/u fuse 20a Turn/hazard switch (on multi- function lever) Exterior Light Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Exterior Light Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 37 Backup lamp switch (on steering column) Flasher Fuse block: i/p G# n/a (rear lamps harness) G203 (left shipping (panel) Hazard Hazard flasher (top left side of shipping panel) Head Headlight switch Hot at all times Hot in run or start Instrument cluster Left backup lamp Left front marker lamp Left front park & turn lamp Left license lamp Left tail/stop/ turn lamp Left turn indicator Normal Off Park Provisions for body builder added lamps Provisions for rear marker lamps Right backup lamp Right front marker lamp Right front park & turn lamp Right license lamp Right tail/stop/ turn lamp Right turn indicator Stop-haz fuse 15a Stoplamp switch (on brake pedal support) Tail lps fuse 20a Turn left Turn right Turn signal Turn-b/u fuse 15a Turn/hazard switch (upper left side of steering column)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Ground Distribution Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995: 72 (at generator bracket) (in forward lamps harness) (in i/p harness) (in i/p harness) (in rear lamps harness) (rear of cylinder head) (right frame rail, near battery) (right rear of engine) ** with schoolbus equipment A12 Battery (gasoline engines) Brake/ transmission shift interlock relay Brake/ transmission shift interlock solenoid C212 Convenience center Data link conn- ector Data link connector Daytime running lamp module Daytime running lamp relay Egr electronic vacuum regulator solenoid valve Engine coolant level sensor For left side marker For right side marker Fuel cycle module Fuel heater Fuel pump Fuel pump relay G105 G109 (right side of radiator support) G110 (front of left cylinder head) G117 G119 (front of right cylinder head) G125 G125 (at generator bracket) G125 (front of engine) G125 (front of engine) G402 (along left frame rail, near fuel tank) Glow plug controller Heated oxygen sensor I/p cluster Knock sensor system module Left (or rear ) battery Left high beam headlamp Left high/ low headlamp Left horn Left turn/ park lamp assembly Not used Panel dimmer switch Park brake switch Powertrain control module (pcm) Provisions provisions Right (or front ) battery Right high beam headlamp Right high/ low headlamp Right horn Right turn/ park lamp assembly Starter relay Tan Transmission control module Transmission range indicator lamp Vehicle speed sensor buffer W/ automatic transmission W/ automatic transmissions W/ daytime running lights W/ diesel engine W/ diesel engines W/ gasoline engines W/ l05 engine W/ schoolbus equipment Washer pump Water- in-fuel sensor Wiper motor Ground Distribution Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Ground Distribution Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 61 (canada only) (frame ground) A/c compressor A/c compressor pressure cycling switch A12 Audio alarm module Battery Blower motor Blower relay Brake/ shift interlock relay Brake/ transmission shift interlock solenoid Bus bar ground C228 C236a Cigarette lighter Cruise control module Data link conn- ector Daytime running lamps module Daytime running lamps relay Egr electronic vacuum regulator valve solenoid Flow switch (brakes) Fuel pump Fuel pump relay G110 (left lower front of engine) G111 (engine compartment behind battery) G111 (engine compartment, behind battery) G114 (at rear of left cylinder head) G123 (engine compartment, above right headlamp) G125 (top right front of engine at thermostat housing) G202 (at bus bar ground) G402 (along left frame rail, on rear crossmember) Heater control lamp In-line diode Instrument cluster Left high beam headlamp Left horn Left low beam headlamp Left park and turn lamp Left park lamp Left power window switch Left side marker lamp Left tail stop and turn lamp License lamp ground (from body builder) Light switch Power door lock relay Powertrain control module (pcm) Provisions for clearance lamps Provisions for rear marker lamps Radio Right high beam headlamp Right horn Right low beam headlamp Right park and turn lamp Right park lamp Right side marker lamp Right tail stop and turn lamp Safety belt retractor switch Tan Vehicle speed sensor buffer Windshield washer pump Windshield wiper motor module Ground Distribution Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Ground Distribution Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 40 (at left rear frame rail) (at left shipping panel) (in forward lamps harness) (right frame rail near battery) A/c compressor clutch A12 Audio alarm module Auxiliary cooling fan Auxiliary cooling fan coolant pressure switch Battery Brake/ transmission shift interlock relay Brake/ transmission shift interlock solenoid C 1995 vftc Cruise control module Data link conn- ector Daytime running lamps module Daytime running lamps relay Engine coolant level sensor Fuel control module Fuel pump Fuel pump relay G105 G117 (right rear of engine) G125 (top right front of engine) G402 (at left rear frame rail) Headlamp dimmer switch I/p cluster Left high/low beam headlamp Left horn Left park/ turn signal lamp Park brake switch Powertrain control module (pcm) Provisions for left side marker lamp Provisions for right side marker lamp Right high/low beam headlamp Right horn Right park/ turn signal lamp Starter motor relay Tan Water in-fuel sensor (diesel)
HEADLIGHTS Headlight Wiring Diagram, Commercial Chassis with DRL for Chevrolet Forward Control P30 1995 List of elements for Headlight Wiring Diagram, Commercial Chassis with DRL for Chevrolet Forward Control P30 1995: 30 (at park brake, under left side of i/p) (in forward lamps harness) (in i/p harness) Bulb check Daytime running lamp indicator Daytime running lamps module (in i/p harness) Daytime running lamps relay (in i/p harness) Fog lamps Fuse block Ground Head Headlamp dimmer switch Headlight switch assembly Hi beam feed Hi beam indicator Horn/dm fuse 15a Hot at all times Hot in run Htr fuse 25a Ignition Instrument cluster Lamp feed Left headlamp assembly Off Output to relay Park Park brake warning switch Provisions for fog lamps Right headlamp assembly Tan Headlight Wiring Diagram, Commercial Chassis without DRL for Chevrolet Forward Control P30 1995 List of elements for Headlight Wiring Diagram, Commercial Chassis without DRL for Chevrolet Forward Control P30 1995: 16 (in forward lamps harness) (in i/p harness) C 1995 vftc Head Headlamp dimmer switch Hi beam indicator Hot at all times Instrument cluster Left hi headlamp assembly Light switch Off Park Right hi headlamp assembly Tan Tan b Tan c Headlight Wiring Diagram, Cutaway Chassis with DRL for Chevrolet Forward Control P30 1995 List of elements for Headlight Wiring Diagram, Cutaway Chassis with DRL for Chevrolet Forward Control P30 1995: 32 (on park brake support bracket) Bulb check C12 C17 Daytime running lamp indicator Daytime running lamps module (behind left side of i/p) Daytime running lamps relay (behind left side of i/p, above steering column) Drl fuse 10a Fuse block G111 (engine compartment, behind battery) G202 (at bus bar ground) Gauges fuse 20a Ground Head Headlamp dimmer switch Headlight switch assembly Hi beam feed Hi beam indicator Hot at all times Hot in run or start Ignition Instrument cluster Lamp feed Left high beam headlamp Left low beam headlamp Off Output to relay Park Park brake warning switch Right high beam headlamp Right low beam headlamp Tan Headlight Wiring Diagram, Cutaway Chassis without DRL for Chevrolet Forward Control P30 1995 List of elements for Headlight Wiring Diagram, Cutaway Chassis without DRL for Chevrolet Forward Control P30 1995: 19 (at bus Bar ground) C 1995 vftc G111 (engine compartment, behind battery) G202 Head Headlamp dimmer switch Hi beam indicator Hot at all times Instrument cluster Left high beam headlamp assembly Left low beam headlamp assembly Light switch Off Park Right high beam headlamp assembly Right low beam headlamp assembly Tan Tan a Headlight Wiring Diagram, Motor Home Chassis with DRL for Chevrolet Forward Control P30 1995 List of elements for Headlight Wiring Diagram, Motor Home Chassis with DRL for Chevrolet Forward Control P30 1995: 34 (at left shipping panel) (at park brake, under left side of i/p) (in forward lamps harness) Bulb check Daytime running lamp cutoff relay (w/ hpr) (location not available) Daytime running lamp indicator Daytime running lamps module (in i/p harness) Daytime running lamps relay (in i/p harness) Fog lamps Fuse block G114 (left rear of engine) Ground Head Headlamp dimmer switch Headlight switch assembly Hi beam feed Hi beam indicator Horn/dm fuse 15a Hot at all times Hot in run or start Htr fuse 25a Ignition Instrument cluster Lamp feed Left headlamp assembly Left lower headlamp (w/ hpr) Off Output to relay Park Park brake warning switch Provisions for fog lamps Right headlamp assembly Right lower headlamp (w/ hpr) Tan Headlight Wiring Diagram, Motor Home Chassis without DRL for Chevrolet Forward Control P30 1995 List of elements for Headlight Wiring Diagram, Motor Home Chassis without DRL for Chevrolet Forward Control P30 1995: 17 (at left shipping panel) (forward lamps harness) C 1995 vftc Head Headlamp dimmer switch Hi beam indicator Hot at all times Instrument cluster Left hi headlamp assembly Left lower head- lamp (w/ hpr) Light switch Off Park Right hi headlamp assembly Right lower head- lamp (w/ hpr) Tan Tan c
HORN Horn Wiring Diagram, Commercial & Motorhome Chassis for Chevrolet Forward Control P30 1995 List of elements for Horn Wiring Diagram, Commercial & Motorhome Chassis for Chevrolet Forward Control P30 1995: 11 (in forward lamps harness) (in i/p harness) C 1995 vftc Fuse block Horn relay Horn switch Horn/dm fuse 15a Hot at all times Left horn (in forward lamp harness) Right horn (in forward lamp harness) Steering wheel (commercial chassis) turn signal switch (motorhome chassis) Horn Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Horn Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 11 (left front of engine compartment, behind battery) A-note horn (on left radiator support) C 1995 vftc F-note horn (on left radiator support) Fuse block G111 Horn relay (in convenience center) Horn switch Horn/dm fuse 15a Hot at all times Turn signal switch
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Instrument Cluster Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995: 75 (in i/p harness) 1995 vftc c 4.3l & 7.4l only 5.7l & 6.5l only Accy Alt fuse 20a Block Brake pressure warning switch (rear of engine compt) Bulb test C10 C11 C12 C13 C14 C15 C251 C299 Coolant temp. gauge Daytime running lamps module Daytime running lights ind. (w/ drl) Diesel only E6 or a5 Ecm-crnk fuse 10a Engine controls or transmissions system Engine coolant level indicator module (in i/p harness) Engine coolant level indicator probe (in radiator) Engine coolant temperature sender (left side of engine) Exterior lights system Fasten belts ind. Fuel gauge Fuel pump & sender (in fuel tank) Fuel pump/ oil pressure switch & sender (left side of engine) Fuse G101 (right frame rail) G125 (front of engine) G134 (next to throttle body) Gauges fuse 20a Glow plug controller (rear of engine) Glow plugs ind. (diesel) Headlights system Hi beam ind. Hot in run Hot in run, bulb test or start I/p ground (in i/p harness) Ignition switch Illum. lamps Instrument cluster Interior lights system Left turn ind. Lock Low coolant ind. (diesel) Mal- function ind. Off Oil press. gauge Park brake ind. Park brake warning switch (park brake support bracket) Pnk Powertrain control module (left side of shipping panel) Right turn ind. Run Service brakes ind. Service trans- mission ind. (diesel) Speed- ometer Start Tan Tan/ Transmissions system Vehicle speed sensor (rear of transmission) Vehicle speed sensor buffer (behind right side of i/p) Volt- meter W/ drl W/o drl Warning systems Water in fuel ind. (diesel) Water-in-fuel sensor (diesel only) (rear of engine) Instrument Cluster Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Instrument Cluster Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 59 (7.4l-top right front of engine) (in fuel tank) 1995 vftc c Brake ind. Brake pressure warning switch (on left frame rail) Brake warning alarm buzzer (behind left side of i/p, near fuse block) C10 C11 C12 C13 C14 Coolant temp. gauge Cruise control system Daytime running lamps ind. (w/ drl) Daytime running lamps module (behind left side of i/p, above steering column) Daytime running lamps relay (behind left side of i/p, above steering column) Electronic delay module (behind left side of i/p, Engine controls system Engine coolant temperature sensor (5.7l-lower left side of engine) Exterior lights system Flow switch (near power steering pump) Fuel gauge Fuel pump & sender Fuel pump oil pressure switch & sender (5.7l-top rear of engine) (7.4l-lower left side of engine) Fuse block G202 (at bus bar ground) G409 (along left frame rail, on rear crossmember) Gages fuse 20a Headlights system Hi beam ind. Hot in run or start Hydro-boost pressure warning switch (near master cylinder) Ignition switch Illum. lamp Illum. lamps In-line diode (behind left side of i/p, above fuse block) In-line diode (behind left side of i/p, above steering column) Instrument cluster Interior lights system Left turn ind. Low coolant ind. (not used) Mal- function ind. Oil press. gauge On park brake support bracket) Park brake warning switch Pnk/ Powertrain control module (under driver's seat) Resistor (1.5k ohms, 0.5 watt) Right turn ind. Safety belt ind. Sheet metal ground Speed- ometer Tan Vehicle speed sensor (rear of transmission) Vehicle speed sensor buffer (behind left side of i/p) Volt- meter W/ drl W/o drl Warning systems Instrument Cluster Wiring Diagram, Motorhome Chassis for Chevrolet Forward Control P30 1995 List of elements for Instrument Cluster Wiring Diagram, Motorhome Chassis for Chevrolet Forward Control P30 1995: 64 (in fuel tank) (left rear frame rail) (left side of shipping panel) (top right side of 1995 vftc c Accy Alt fuse 20a Audio alarm module (convenience center) Brake ind. Brake pressure warning switch (near master cylinder) Brake warning alarm buzzer module (brake warning harness) Bulb test Coolant temp. gauge Daytime running lamps module (top right side of shipping harness) Daytime running lamps relay Daytime running lights ind. (w/ drl) Electronic delay module (brake warning harness) Engine controls system Engine coolant temperature sender (left front of engine) Exterior lights system Flow switch (brake booster) Fuel gauge Fuel pump & sender Fuel pump oil pressure switch & sender (top rear of engine) Fuse block G114 (rear of left cylinder head) G116 G409 Gauges fuse 20a Head- lights system Headlights system Hi beam ind. Hot in run or start Hot in run, bulb test or start Hydro-boost pressure warning switch (brake warning harness) I/p ground (at left shipping panel) Ignition switch Illum. lamps Instrument cluster Interior lights system Left turn ind. Lock Mal- function ind. Nca Off Oil press. gauge Park brake ind. Park brake warning switch (park brake pedal bracket) Pnk Powertrain control module (left side of i/p, behind shipping panel) Resistor (1.5k ohms) Right turn ind. Run Safety belt ind. Shipping harness) Shunt Speed- ometer Start Tan Vehicle speed sensor (rear of transmission) Vehicle speed sensor buffer (left side of shipping panel) Volt- meter W/ drl W/o drl
INTERIOR LIGHTS Interior Light Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Interior Light Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995: 18 (7) bulbs (left side of i/p) C17 Dim Fuse block: i/p G202 Head Headlight switch High Hot at all times I/p dimmer switch Instr lps fuse 5a Instrument cluster Light switch Off Park Tail lps fuse 20a Transmission range indicator lamp Interior Light Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Interior Light Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 27 (7) bulbs (left side of i/p) C17 Dim Dome switch Front dome lamp Fuse block: i/p G202 Head Head- light switch Headlight switch Heater control lamp High Horn/dm fuse 20a Hot at all times I/p dimmer switch Instr lps fuse 5a Instrument cluster Left door jamb switch Light switch Off Park Provisions for rear dome lamp Radio Solid state Tail lps fuse 20a Trans- mission range indicator lamp Interior Light Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Interior Light Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 19 (6) bulbs (left rear of engine) (left side of i/p) Dim Fuse block: i/p G114 G202 Head Headlight switch High Hot at all times I/p dimmer switch Instr lps fuse 5a Instrument cluster Light switch Off Park Tail lps fuse 20a Transmission range indicator lamp
POWER DISTRIBUTION Power Distribution Wiring Diagram, Commercial Chassis (Diesel) (1 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Commercial Chassis (Diesel) (1 of 2) for Chevrolet Forward Control P30 1995: 65 (warning systems) Acc-radio fuse 10a Accy Battery junction block Body builder's Brake warning system Bulb test C298 C299 Clutch start switch Daytime running lamps Daytime running lamps relay Ecm-bat fuse 10a From panel dimmer switch From park brake warning switch Fuel cycle module Fuel pump oil pressure switch Fuel pump relay Fuse block Fuse block & glow plug controller Fusible link e Fusible link f Gages fuse 20a Generator Hazard flasher Headlight switch assembly Horn relay Horn/dm fuse 15a Htr fuse 25a Ignition switch Instr-lps fuse 5a Instrument cluster Junction block Left rear battery Link a fusible Link b fusible Link c fusible Link d fusible Lock Module Off Pnk Powertrain control module (pcm) Red Relay Right front battery Rst 10ga Rst 12ga Rst 14ga Rst 16ga Run Shunt Start Starter relay Starter solenoid Stop- hz fuse 15a Stoplamp switch Tail lps fuse 20a To glow plug controller Transmission range indicator lamp W/ auto transmission W/ manual transmission only Wiper fuse 25a Wiper motor Wiper switch Power Distribution Wiring Diagram, Commercial Chassis (Diesel) (2 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Commercial Chassis (Diesel) (2 of 2) for Chevrolet Forward Control P30 1995: 30 Alt fuse 20a Audio alarm module Backup lamp switch (auto trans) Backup lamp switch (manual trans) C 1995 vftc C128 C16 C190 Cold advance fast idle temperature switch Convenience center Ecm-crank fuse 10a From fusible link a From ignition switch Fuel heater Fuse block Generator Glow plug controller I/p cluster Pnk Powertrain control module Red Tcc/ brake switch Trans fuse 10a Transmission Transmission control module Turn signal flasher Turn-b/u fuse 15a Vehicle speed sensor buffer Water-in-fuel sensor With automatic transmission only Power Distribution Wiring Diagram, Commercial Chassis (Gasoline) (1 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Commercial Chassis (Gasoline) (1 of 2) for Chevrolet Forward Control P30 1995: 75 (vin z) (warning systems) 15a A12 Acc bus Acc-radio fuse 10a Accy Alt, ecm-crank, turn-b/u, trans and inj fuses B batt bus Battery Battery junction block Body builder's Brake warning system Bulb test C 1995 vftc C16 C298 C299 C301 Clutch start switch Crank fuse 10a Daytime running lamps Daytime running lamps relay E16 Ecm-bat fuse 10a Exhaust gas regulator Fuel cycle module Fuel pump oil pressure switch Fuel pump relay Fuse block Fusible Fusible link c rst 10ga Gages fuse 20a Generator Hazard flasher Headlight switch assembly Heated oxygen sensor Horn relay Horn/dm fuse Htr bus Htr fuse 25a I/p cluster Ignition switch Instr-lps fuse 5a Junction block Lock Module Off Panel dimmer switch (interior lights system) Park brake warning switch Pnk Powertrain control module (pcm) Powertrain control module (pcm) (with manual transmission only) Red Relay Rst 14ga link b fusible Rst 16ga fusible link d Rst 16ga link a Run Shunt Solenoid Start Starter solenoid Stop-hz fuse 15a Stoplamp switch Tail lps fuse 20a Trans Transmission control module Transmission range indicator lamp Valve W/ auto Wiper fuse 25a Wiper motor Wiper switch With manual transmission only Power Distribution Wiring Diagram, Commercial Chassis (Gasoline) (2 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Commercial Chassis (Gasoline) (2 of 2) for Chevrolet Forward Control P30 1995: 35 (all except vin k manual) (vin k manual) (vin z and vin n) Alt fuse 20a Audio alarm module Backup lamp switch C16 Convenience center E15 Ecm-crank fuse 10a Egr electronic vacuum Evaporative canister purge solenoid F15 Fuse block I/p cluster Idle speed control actuator Ignition coil Ignition switch Inj fuse 7.5a Injector #1 Injector #2 Knock sensor system Pnk Powertrain control module Red Regulator solenoid valve (vin k only) Tcc/ brake switch Trans fuse 10a Transmission Transmission control module Turn signal flasher Turn-b/u fuse 15a Vehicle speed sensor buffer Vin n w/ automatic transmission W/ automatic transmission Power Distribution Wiring Diagram, Cutaway Chassis (1 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Cutaway Chassis (1 of 2) for Chevrolet Forward Control P30 1995: 69 (w/ a/c) (w/o a/c) * (w/ a/c) ** (w/o a/c) 20a 30a Accy Audio alarm module Backup lamp switch Battery Battery junction block Blower switch Bulb test C 1995 vftc Convenience center Daytime running lamps relay Door lock relay Drl fuse 10a E16 Front dome lamp Fuel pump fuse 20a Fuel pump oil pressure switch Fuel pump relay Fuse block Fusible Fusible link Generator Hazard flasher Headlight switch Heater control lamp High blower relay Horn relay Horn/dm fuse Htr a/c fuse * 25a ** 25a Ignition switch Instr-lps fuse 5a Instrument cluster Left door lock switch Left power window switch Light switch Link Lock Nca Off Pnk Powertrain control module (pcm) Provisions for rear dome lamp Pwr acc circuit breaker Pwr wdo circuit breaker 30a Radio Radio fuse 10a Red Right door lock switch Right power window switch Rst 10ga Rst 16ga Run Shunt Start Starter solenoid Stop-hz fuse 20a Stoplamp switch Tail lps fuse To ecm i, gages & trans fuses and ignition coil Transmission range indicator lamp Turn signal flasher Turn-b/u fuse 20a Windshield wiper motor module Windshield wiper/ washer switch Wiper fuse 25a Power Distribution Wiring Diagram, Cutaway Chassis (2 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Cutaway Chassis (2 of 2) for Chevrolet Forward Control P30 1995: 35 Audio alarm module Brake warning alarm buzzer Convenience center Cruise control brake switch Cruise control switch Curise control module Daytime running lamps module Daytime running lamps relay E15 Ecm i fuse 20a Electronic 4-speed automatic overdrive transmission Evaporative canister purge valve Exhaust gas recirculation valve F15 Fuse block Gages fuse 20a Generator Idle speed control actuator Ignition coil Ignition switch Injector #1 Injector #2 Instrument cluster Linear egr valve Nca Pnk Powertrain control module (pcm) Powertrain control module (pcm) (vin k only) Red Resistor Shunt Tcc/ brake switch Trans fuse 10a Vehicle speed sensor buffer Vin n only Power Distribution Wiring Diagram, Motor Home Chassis (1 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Motor Home Chassis (1 of 2) for Chevrolet Forward Control P30 1995: 64 15a Acc-radio fuse 10a Accy Aux Aux circuit breaker 30a Auxiliary cooling Auxiliary cooling fan relay Battery Battery junction block Brake pressure warning switch Brake warning alarm Bulb test Buzzer C201 C277 Daytime running lamps Daytime running lamps relay E16 Ecm-bat fuse 10a Fan relay From panel dimmer switch assembly (interior lights system) Fuel pump oil pressure switch Fuel pump relay Fuse block Fusible Fusible link Gages fuse 20a Generator Hazard flasher Headlight switch Horn relay Horn/dm fuse Htr fuse 25a I/p cluster Ignition switch Instr-lps fuse 5a Instrument cluster Link Lock Lps bus Module Off Park brake warning switch Pnk Powertrain control module (pcm) Pwr circuit breaker 30a Red Relay Rst 10ga Rst 14ga Rst 16ga Rst 18ga Run Shunt Start Starter motor Stop-hz fuse 15a Stoplamp switch Tail lps fuse 20a To alt, ecm-crnk, turn-b/u, trans, inj fuses and ignition coil Transmission position indicator lamp Windshield wiper motor module Wiper fuse 25a Wiper switch Power Distribution Wiring Diagram, Motor Home Chassis (2 of 2) for Chevrolet Forward Control P30 1995 List of elements for Power Distribution Wiring Diagram, Motor Home Chassis (2 of 2) for Chevrolet Forward Control P30 1995: 31 Alt fuse 20a Audio alarm module Backup lamp switch C 1995 vftc Convenience center Cruise control activator Cruise control brake switch Cruise control module E15 Ecm-crnk fuse 10a Electronic 4-speed automatic overdrive transmission Evaporative canister purge solenoid F15 Fuse block Generator Idle speed control actuator Ignition coil Ignition switch Inj fuse 7.5a Injector #1 Injector #2 Instrument cluster Linear egr solenoid valve Pnk Powertrain control module (pcm) Red Tcc/ stoplamp switch Trans fuse 10a Turn signal flasher Turn-b/u fuse 15a Vehicle speed sensor buffer
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for Power Door Lock Wiring Diagram for Chevrolet Forward Control P30 1995: 13 Bus bar Door lock relay (behind left side of i/p) Fuse block G202 (left side of i/p near fuse box) Hot at all times Left door lock motor Left door lock switch Lock Pwr acc circuit breaker 30a Right door lock motor Right door lock switch Tan Unlock
POWER WINDOWS Power Window Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Power Window Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 14 C 1995 vftc Fuse block G202 (at bus bar ground) Hot in run Left front switch Left front window motor Left power window master switch Pnk Pnk a Pwr wdo circuit breaker 30a Right front switch Right front window motor Right front window switch Tan
SHIFT INTERLOCKS Shift Interlock Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Shift Interlock Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995: 13 (at bus bar ground) Backup lamp switch (on steering Brake shift interlock relay (on steering column) Brake/transmission shift interlock solenoid (on steering column) Column) Engine controls system Fuse block G200 Hot in acc or run Hot in start or run Tcc/ brake switch (on brake pedal support bracket) Trans fuse 10a Turn b/u fuse 15a Shift Interlock Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Shift Interlock Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 14 (at bus bar ground) Backup lamp switch (on steering column) Brake shift interlock relay (on steering column) Brake/transmission shift interlock solenoid (on steering column) C 1995 vftc Engine controls system Fuse block G200 Hot in acc or run Hot in start or run Tcc/ brake switch (on brake pedal support bracket) Trans fuse 10a Turn b/u fuse 20a Turn signal flasher (on fuse block) Shift Interlock Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Shift Interlock Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 15 (at bus bar ground) Backup lamp switch (on steering Brake shift interlock relay (on steering column) Brake/transmission shift interlock solenoid (on steering column) C 1995 vftc Column) Engine controls system Fuse block G200 Hot in acc or run Hot in start or run Tcc/ brake switch (on brake pedal support bracket) Trans fuse 10a Turn b/u fuse 15a Turn signal flasher (on fuse block)
STARTING/CHARGING Charging Wiring Diagram, Commercial Chassis (Diesel) for Chevrolet Forward Control P30 1995 List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for Chevrolet Forward Control P30 1995: 34 (closes with low or high voltage; gen fault) (front of right cylinder head) (in i/p harness) (left side of shipping panel) (not (not used) (rear of cylinder head) g117 (right side of radiator support) * w/ school bus equipment) Alt fuse 20a Bat Battery junction block C 1995 vftc Field (rotor) Fuse block G100 G109 G110 (front of left cylinder head) G201 Generator (right front of engine) Hot in run, bulb test or start Instrument cluster Left (or rear) battery Power distribution system Rectifier bridge Red Regulator solid-state Right (or front) battery Stator Sw bat Turn on input Used) Volt sense input Volt- meter Charging Wiring Diagram, Commercial Chassis (Gasoline) for Chevrolet Forward Control P30 1995 List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for Chevrolet Forward Control P30 1995: 37 (at generator bracket) g125 (closes with low or high voltage; gen fault) (in i/p harness) (left side of shipping panel) (not (not used) (on right (right front of engine) generator (right side of radiator * g105 * school bus ground Alt fuse 20a Bat Battery Battery junction block Battery) C 1995 vftc Field (rotor) Frame rail Fuse block Fusible link c (10 ga- rust) G109 G117 (rear of engine) G201 Hot in run, bulb test or start Instrument cluster Near Rectifier bridge Red Regulator solid-state Stator Support) Sw bat Turn on input Used) Volt sense input Volt- meter Charging Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Charging Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 33 (at bus bar ground) (closes with low or high voltage; gen fault) (engine compartment, behind battery (left lower (left side of cowl panel) (not (not used) (right front of engine) generator Bat Battery Battery junction block C 1995 vftc Engine) Field (rotor) Front of Fuse block Fusible link (10 ga-rust) G110 G111 G202 Gages fuse 20a Hot in run or start Instrument cluster Rectifier bridge Red Regulator solid-state Starter circuit Stator Sw bat Turn on input Used) Volt sense input Volt- meter Charging Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Charging Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 26 (at left shipping panel) (closes with low or high voltage; gen fault) (left side of shipping panel) (not (not used) (right front of engine) generator Alt fuse 20a Bat Battery Battery junction block C 1995 vftc Field (rotor) Fuse block G105 (right frame rail, near battery Hot in run, bulb test or start Instrument cluster Rectifier bridge Red Regulator solid-state Starter circuit Stator Sw bat Turn on input Used) Volt sense input Volt- meter Starting Wiring Diagram, Commercial Chassis (Diesel) for Chevrolet Forward Control P30 1995 List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for Chevrolet Forward Control P30 1995: 37 (front of right cylinder head) (lower right side of engine) (on clutch pedal (right side of radiator support) * w/ school bus equipment) A/t Accy Bat Battery junction block (left side of Bulb test C 1995 vftc C298 C299 Clutch start switch Fusible link (16 ga- rust) Fusible link e (10 ga-rust) G100 G109 G125 (front of engine) Generator (front of engine) Hold-in winding Ignition switch Left/rear battery (ground distribution system) Lock M/t Off Pull-in winding Red Right (or front) battery Run Shipping panel) Solenoid contacts Start Starter motor Starter relay (lower left side of engine) Starter solenoid Support bracket) Starting Wiring Diagram, Commercial Chassis (Gasoline) for Chevrolet Forward Control P30 1995 List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for Chevrolet Forward Control P30 1995: 36 (lower right side of engine) (on clutch pedal (right frame rail (school bus ground) (school bus ground) (rear of A/t Accy Battery Battery junction block (left side of Bulb test C 1995 vftc C298 C299 Clutch start switch Cylinder Fusible link b (14 ga- rust) G105 G109 (right side of radiator support) G117 G125 (at generator bracket) Head) Hold-in winding Ignition switch Lock M/t Near battery) Off Pull-in winding Red Red b Run Solenoid contacts Start Starter motor Starter solenoid Support bracket) Starting Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Starting Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 25 (left lower front of engine) (lower right side of engine) Accy Battery Battery junction block (left side of Bulb test C 1995 vftc C214 C215 Distribution Fusible link (16 ga rust) G110 G111 (engine compartment behind battery) Hold-in winding Ignition switch Lock Off Power red Pull-in winding Red Run Solenoid contacts Start Starter motor Starter solenoid Starting Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Starting Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 25 (lower right side of engine) (right frame rail near battery) Accy Bat Battery Battery junction block (left side of Bulb test C 1995 vftc C201 C277 Fusible link (10 ga- rust) Fusible link (14 ga- rust) G105 Generator (front of engine) Hold-in winding Ignition switch Lock Off Pull-in winding Red Run Solenoid contacts Start Starter motor Starter solenoid
TRANSMISSION
4.3L 4.3L (VIN Z), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 4.3L (VIN Z), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995: 76 (engine harn, left front of engine) s101 (left side of driver's island) 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl A1 a1 A12 A14 A15 All times Alt fuse 20a Battery feed Brake fuse 20a Brake sig Bulb test or start Data link connector (below left m Diagnostic test E11 E13 E15 E16 Ecm-bat fuse 10a Ecm-i fuse 10a Ect sig Engine coolant temperature (ect) sensor (top front of engine) F10 F13 F14 G125 (front of engine) Hot at Hot in run Hot in run, Hot in run, bulb I/p fuse block Ignition feed Instrument cluster Mil control Pcm ground Pnk Powertrain control module (pcm) Pressure control hi Pressure control lo Pressure control solenoid Range mode selector Range signal "a" Range signal "b" Range signal "c" Red S102 S104 S115 S147 S212 S240 Sensor ground Serial data Service engine soon Side of dash) Speed sensor (left rear side of transmission) Tan Tcc Tcc pwm sol Tcc/brake switch (on brake pedal bracket) Test or start Throttle position sensor (right side of tbi) Tp reference Tp signal Trans fluid temp (tft) sensor Trans fluid temp sig Trans fuse 10a Trans input speed Transmission Transmission input shaft speed sensor (front of transmission) Vehicle speed sensor buffer Vss sig
5.7L 5.7L (VIN K), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 5.7L (VIN K), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995: 74 (engine harn, left front of engine) s101 (engine harness, center front of engine) (left side of driver's island) 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 5v reference A1 a1 A12 A14 A15 All times Alt fuse 20a Battery feed Brake sig Data link connector (below left m Diagnostic test E11 E13 E15 E16 Ecm-bat fuse 10a Ecm-crnk fuse 10a Ect sig Engine coolant temperature (ect) sensor (top front of engine) F10 F13 F14 G125 (front of engine) Hot at Hot in run Hot in run, bulb I/p fuse block Ignition feed Instrument cluster Mil control Or start Pcm ground Pnk Powertrain control module (pcm) Pressure control hi Pressure control lo Pressure control solenoid Range mode selector Range signal "a" Range signal "b" Range signal "c" Red S102 S104 S112 S180 S208 Sensor ground Serial data Service engine soon Side of dash) Speed sensor (left rear side of transmission) Tan Tcc Tcc pwm sol Tcc/brake switch (on brake pedal bracket) Test or start Throttle position sensor (right side of tbi) Tp signal Trans fluid temp (tft) sensor Trans fluid temp sig Trans fuse 10a Trans input speed Transmission Transmission input shaft speed sensor (front of transmission) Vehicle speed sensor buffer Vss sig
6.5L 6.5L (VIN F), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN F), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995: 76 (tft) 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 3-2 shift sol 3-2 shift sol ctrl A12 Accelerator pedal position (app) module (top of accel- erator bracket) Alt fuse 20a App #1 App #1 sensor 5v ref App #1 sensor ground App #1 sensor sig App #2 App #2 sensor 5v ref App #2 sensor ground App #2 sensor sig App #3 App #3 sensor 5v ref App #3 sensor ground App #3 sensor sig B10 Battery feed C10 C11 C12 C13 C14 C15 D11 D12 Data link connector (below left side of dash) Diagnostic request Ecm bat fuse 10a Ecm-crnk fuse 10a Ect sig Engine coolant temperature (ect) sensor (left lower front of engine block) Fuse block G119 (on generator bracket, right side of engine) Hot at all times Hot in run or start Hot in run, bulb test or start Ignition feed Instrument cluster Mil control Pnk Powertrain control module (left side of driver's island) Pressure control solenoid Pressure ctrl sol hi Pressure ctrl sol lo Range mode selector Range signal "a" Range signal "b" Range signal "c" Red Sensor Sensor ground Serial data Service engine soon Speed sensor (left rear side of transmission) Stop/haz fuse 15a System ground Tan Tcc/brake sw Tcc/stop- lamp switch (on brake pedal support bracket) Trans fluid temp Trans fluid temp sig Trans fuse 10a Trans input spd sig hi Trans input spd sig lo Trans output speed Transmission Transmission input speed sensor (front of transmission) Vehicle speed sensor buffer Vss signal 6.5L (VIN Y), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 6.5L (VIN Y), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995: 69 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 5 volts ref A12 Alt fuse 20a B10 Battery feed Brake signal C15 C16 C205 C300 C301 D13 D16 Data link connector (under left side of dash) Diagnostic test Ecm bat fuse 10a Ecm-crnk fuse 10a Engine speed sensor (top center of engine) Engine speed signal Fuse block G119 (on generator bracket, right side of engine) Hot at all times Hot in run bulb test or start Hot in run, bulb test or start Ignition Input speed sens hi Input speed sens lo Instrument cluster Pcs hi Pcs lo Pnk Pnk n Pressure control solenoid Range mode selector Range signal a Range signal b Range signal c Red Red p S100 (i/p harn, left side of shipping panel) S120 S180 S200 S250 (body harn, top left side of trans) Sensor ground Serial data Service trans output Service transmission indicator System ground Tcc pwm control Tcc sol Tcc/brake switch (brake pedal bracket) Throttle position sensor (right side of throttle body) Tp sensor input Trans fluid temp sig Trans fuse 10a Trans- mission temp Transmission Transmission control module (tcm) (left side of driver's island) Transmission input shaft speed sensor (left front side of transmission) Vehicle spd output Vehicle speed input Vehicle speed sensor (rear of transmission) Vehicle speed sensor buffer Vss inputs
7.4L 7.4L (VIN N), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995 List of elements for 7.4L (VIN N), Transmission Wiring Diagram for Chevrolet Forward Control P30 1995: 74 (engine harn, left front of engine) s101 (engine harness, center front of engine) (left side of driver's island) 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 5v reference A1 a1 A12 A14 A15 All times Alt fuse 20a Battery feed Brake sig Data link connector (below left m Diagnostic test E11 E13 E15 E16 Ecm-bat fuse 10a Ecm-crnk fuse 10a Ect sig Engine coolant temperature (ect) sensor (top front of engine) F10 F13 F14 G125 (front of engine) Hot at Hot in run Hot in run, bulb I/p fuse block Ignition feed Instrument cluster Mil control Or start Pcm ground Pnk Powertrain control module (pcm) Pressure control hi Pressure control lo Pressure control solenoid Range mode selector Range signal "a" Range signal "b" Range signal "c" Red S102 S104 S112 S180 S208 Sensor ground Serial data Service engine soon Side of dash) Speed sensor (left rear side of transmission) Tan Tcc Tcc pwm sol Tcc/brake switch (on brake pedal bracket) Test or start Throttle position sensor (right side of tbi) Tp signal Trans fluid temp (tft) sensor Trans fluid temp sig Trans fuse 10a Trans input speed Transmission Transmission input shaft speed sensor (front of transmission) Vehicle speed sensor buffer Vss sig
WARNING SYSTEMS Warning System Wiring Diagrams, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Warning System Wiring Diagrams, Commercial Chassis for Chevrolet Forward Control P30 1995: 11 (in i/p harness) Alt fuse 20a Audio alarm module (in convenience center) C 1995 vftc Fasten belts indicator Fasten belts output Fuse block Ground Hot in run or start Ignition on input Instrument cluster Warning System Wiring Diagrams, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Warning System Wiring Diagrams, Cutaway Chassis for Chevrolet Forward Control P30 1995: 24 Audio alarm module (in convenience center) Battery input C 1995 vftc C16 C17 Fasten belts indicator Fasten belts out Fuse block G202 (at bus bar ground) Gages fuse 20a Ground Hot at all times Hot in run or start Hot with headlight switch in park or head Ign on input Inst lps fuse 5a Instrument cluster Key-in warning buzzer switch (in left side of steering column) Left door jamb switch Lights on input Safety belt input Safety belt retractor switch (in driver's safety belt buckle) Stop-hz fuse 20a Tan Warning System Wiring Diagrams, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Warning System Wiring Diagrams, Motor Home Chassis for Chevrolet Forward Control P30 1995: 14 (in i/p harness) Audio alarm module (in convenience center) C 1995 vftc Crnk fuse 10a Diesel Fasten belts indicator Fasten belts output Fuse block Gas Ground Hot in start or run Ignition on input Instrument cluster Safety belt input
WIPER/WASHER Front Washer/Wiper Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995 List of elements for Front Washer/Wiper Wiring Diagram, Cutaway Chassis for Chevrolet Forward Control P30 1995: 20 C 1995 vftc Control area Delay/ speed/ wash control Fuse block Fusible link G202 (at bus bar ground) Hot in accy or run Ign Low Mist Nca Off Park switch Pnk Pulse Wash switch Windshield washer pump (left kick panel) Windshield wiper motor module (center of i/p) Windshield wiper/ washer switch Wiper fuse 25a Front Wiper/Washer Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995 List of elements for Front Wiper/Washer Wiring Diagram, Motor Home Chassis for Chevrolet Forward Control P30 1995: 19 C 1995 vftc Control area Delay/ speed/ wash control Fuse block Fusible link Hot in accy or run I/p ground (in i/p harness) Ign Low Mist Off Park switch Pnk Pulse Wash pulse switch Windshield washer pump Windshield wiper motor module Windshield wiper/ washer switch Wiper fuse 25a Provisions For Front Wiper/Washer Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995 List of elements for Provisions For Front Wiper/Washer Wiring Diagram, Commercial Chassis for Chevrolet Forward Control P30 1995: 5 C 1995 vftc Fuse block Hot in accy or run Wiper fuse 25a Wiper motor connector
