Cadillac Commercial Chassis (1994) – fuse box diagram
Year of production: 1994
Underhood (U/H) electrical center
| Maxi fuse | Name | Description |
| 1 | BODY 1 | 60 amp power to PWR SEAT Circuit Breaker #3 30 amp, I/P Fuse Block, #36·TRK PDWN 15amp, #37·HAZRD LTS 20 amp, #39 PWR LUMB 20 amp, #40 HTD SEAT 20 amp, RR DHG Circuit Breaker #4 30 amp, #44-STOP LTS 20 amp, #45-PWRLK 20 amp |
| 2 | BODY 2 | 50 amp power to I/P fuse Block #21-RAP BAT 25 amp, #22 HVAC MDL 25 amp, #26 ELC SENS 20 amp, #27 D/INT LTS 15 amp, #28 FRT CIG 10 amp, #29 RRClG 20 amp, #30 EBTCM 25 amp, #33 HVAC BAT 10 amp, #34 CCM BAT 10 amp, #35 PWR MIR 10 amp, #2 Circuit Breaker RAP RLY 30 amp. |
| 3 | IGN1 | 50 amp power to I/P Concealed Fuse 5 amp, I/P Fuse Block; #6 T/SIG 15 amp, #7 EBTCM/TPS 10 amp, #8 RAP WPR 25 amp, #9 RADIO 10 amp, #10 WIPER 25 amp, #11 I/P INDC 10 amp, #12 ELC IGN 1 10 amp, #13 CHIME 10 amp, #14 CCMIGN1 10 amp, #15 AIR BAG 15 amp, #24 STARTER U/H Electrical Center, #15 PCM/IGN 10 amp, #16 INJ 1 10 amp, #19 RAP PWR 30 amp, #20 A/C COMP 10 amp, #25 HVAC IGN 10 anlp |
| 4 | IGN3 | 40 amp power to I/P Fuse Block; #16-G£N 10 amp, #17 MEM Seat 1O amp, #18 CCM IGN 3 10 amp, #19 RAP PWR 30 amp, #20 A/C COMP 10 amp, #25 HVACIGN 10 amp |
| 5** | ABS/TC | 60 amp power to ABS/TC Brake Pressure Modulator Valve (BPMV) |
| 6 | — | — |
| 7 | SCNDRV CLG FAN | 40 amp pawer to Secondary Engine Cooling fan Motor Control Relay |
| 8 | PRIMARY CLG FAN | 40 amp power to Primary engine Cooling Fan Motor Control Relay |
| 9 | LEVEL CONTROL | 10 amp power to Automatic Level Control Air Compressor |
| 10 | ENGINE | 30 amp power to U/H Electrical Center; #13 PCM/Fuel Pump 15 amp, #14-Air Pump 20 amp |
| 11 | HEADLIGHTS/HORNS | 50 amp power to I/P Fuse Block Circuit Breaker #5 HDLTS 20 amp, Fuse #31 Park LTS 20 amp, #32-Horn 25 amp |
| 12 | — | — |
| ** DELETE WITH V4F/V4U (LIMO) | ||
| Mini Fuse | Name | Description |
| 13 | PCM/FUEL PUMP | 15 amp power to Fuel Pump Relay, Fuel Pump/Engine Oil Pressure Indicator Switch, Powertrain Control Module (PCM) |
| 14 | AIR PUMP | 20 amp power to Secondary Air Injeection (AIR) Pump Relay |
| 15 | PCM/IGN | 10 amp power to Powertrain Control Module (PCM), Electronic Transmission Ignition Coil |
| 16 | INJ1 | 10 amp power to fuel Injectors Cylinders 1-4, 6-7 |
| 17 | EMISSIONS | 10 amp power to Exhaust Gas Recirculation (EGA), Vacuum Control Signal Solenoid Valve, Secondary Air Injection (AIR) Pump Relay (coil), Mass Air Flow (MAF) sensor, Bank 1 (left) Heated Oxygen Sensor (H02S), Bank 2 (right) Heated Oxygen Sensor (H02S), Evaporative Emission (EVAP) Canister Purge Solenoid Valve |
| 18 | INJ2 | 10 amp power to fuel Injectors Cylinders 2-3, 5-8 |
| Relay | Name | Description |
| A | A/C COMP RELAY | A/C Compressor Relay |
| B | AIR PUMP RELAY | Secondary Air lnjection (AIR) Pump Relay |
Instrument panel
| Fuse | Name | Description |
| 1 | MIR DEFG | Outside Rearview Mirror Defogger |
| 2 | — | — |
| 3 | — | — |
| 4 | — | — |
| 5 | — | — |
| 6 | T/SIG | Park/Neutral Position and Back-up Lamp switch, Turn Signal Lamp flasher |
| 7** | EBTCM/TPS | Electronic Brake and Traction Control Module (EBTCM), Throttle Position(TP) Sensor Interface Module |
| 8 | RAP WPR | Component Center (RAP Wiper) Relay |
| 9 | RADIO | Radio Receiver |
| 10 | WIPER | Windshield Wiper/Washer Switch |
| 11 | LP/NDC | Inflatable Restrain Diagnostic Energy reserve (with sensor) Module, Instrument Panel Cluster |
| 12 | ELC IGN 1 | Automatic Level Control Sensor |
| 13 | CHIME | Warning Alarm, Cruise Control Release Switch, Inside Rearview Mirror (DDB), Rear Window Defogger Relay, Catalytic Converter Temperature Alarm (Japan only) |
| 14 | CCM IGN 1 | Central Control Module (CCM) |
| 15 | AIR BAG | Inflatable Restraint Diagnostic Energy Reserve (with sensor) Module (SDM) |
| 16 | GEN | Engine Electrical Generator, Secondary Electrical Engine Cooling Fan Relay |
| 17 | MEM SEAT | Driver’s Seat Adjuster Memory Module, Heated Driver Seat Control Module, Heated Passenger Seat Control Module |
| 18 | CCM IGN 3 | Central Control Module (CCM), Remote Control Door Lock Receiver and Theft Deterrent Module |
| 19 | RAP PWR | Accessory Time Delay Cut-off (RAP Power) Relay |
| 20 | A/C COMP | A/C Compressor Relay, Primary Electrical Engine Cooling Dan Relay |
| 21 | RAP BATT | Component Center (RAP Wiper) Relay |
| 22 | HVAC MDL | Blower Motor Control Module |
| 23 | TRK REL | Rear Compartment Lid Release Switch |
| 24 | STARTER | Theft Deterrent Relay, Inflatable Restraint Diagnostic Energy Reserve (with sensor) Module (SDM) |
| 25 | HVAC IGN | Instrument Panel Gauge Cluster, Blower Motor Control Module |
| 26 | ELC SENS | Automatic level Control Sensor, Rear Compartment Courtesy Lamp |
| 27 | D/INT LTS | Component Center (DIL) Relay |
| 28 | FRT CIG | Front Cigar Lighter |
| 29 | RR CIG | Rear Cigar Lighters |
| 30 | EBTCM | Electronic Brake and Traction Control Module (EBTCM) |
| 31 | PARK LTS | Forward Lamp Wiring Harness Relay |
| 32 | HORN | Horn Relay |
| 33 | HVAC BAT | Warning Alarm, Heater A/C Control, Instrument Cluster, Engine Oil Level Indicator Control Module, Headlamp Switch, Radio Receiver |
| 34 | CCM BAT | Central Control Module (CCM) |
| 35 | PWR MIR | Door Lock Switch, Outside Rearview Mirrors, Power Seatback, lumbar Control |
| 36 | TRK PDWN | Rear Compartment Lidl Pull-Down Unit |
| 37 | HAZARD LTS | Hazard Lamp Flasher |
| 38 | — | — |
| 39 | PWR LUMB | Power Sear Pneumatic Control Module, Radio Power Antenna Relay |
| 40 | HTD SEAT | Heated Driver’s Seat Control Module, Heated Passenger Seat Control Module |
| 41 | CORNR LTS | Instrument Cluster, Radio Control, Cornering Lamps, Turn Signal Switch, Front Park Lamps |
| 42 | I/P DIM LTS | Headlamp Switch, Interior Lamps, Dimming |
| 43 | TAIL LTS | Rear Taillamps, Rear Side Marker Lamps, License lamp |
| 44 | STOP LTS | Stoplamp Switch |
| 45 | PWR LK | Door Lock Relay |
| ** DELETE WITH V4F/V4U (LIMO) | ||
| Name | Description |
| — | — |
| RAP RLY | Accessory Time Delay Cut-off (RAP Power) Relay |
| PWR SEAT | Driver’s Power Seat Switch, Passenger Power Seat Switch, Driver’s Power Seat Memory Module |
| RR DEFG | Rear Defogger Relay |
| HDLTS | Headlamp Relay, Daytime Running Lamps (DRL) Module |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

