| No. | A | Protected components |
| 1 | 30 | '94-'97: Heater/Air conditioner blower |
| 15 | '92-'93: Stop/hazard lamp, Speed control |
| 2 | 30 | '94-'97: Wiper/Washer |
| 25 | '92-'93:
Circuit Breaker: Windshield wiper/washer, Internal wiper/washer |
| 3 | 3 | Diesel: Idle position switch |
| 4 | 15 | '94-'97: Exterior lamps, Instrument illumination, Trailer exterior lamp relay, Warning buzzer/chime module |
| 20 | '92-'93: Turn lamp, License lamps, Anti-theft module, Warning chime, Flash to pass, Trailer running lamp relay, Trailer b/u lamp relay, running lamps, Rear anti-lock brakes (1993) |
| 5 | 15 | '93: Air bag module, Del module, Aux. battery relay, Starting system, Transmission control switch, Backup lamps, Turn lamps |
| 6 | 15 | '94-'97: Air conditioner clutch, Diesel auxiliary fuel selector, Remote keyless entry |
| 20 | 93: Speed control, Remote keyless entry module, Illuminated entry, Accessory tap, Anti-theft module, Trailer batteiy charge relay |
| 7 | 15 | '94-'97: Turn lamps |
| 30 | '92-'93: Ignition system, Instrument cluster, PLA engine (diesel), EEC relay (1992), TFI module (1992), PCM power relay (1993), Ignition control module (1993) |
| 8 | 15 | '94-'97: Courtesy/dome/cargo lamps, Electric outside mirrors, Keyless entry, Speedometer, Warning buzzer/chime module
'92-'93: Courtesy lamp switch, Illuminated entry, power mirrors, Visor lamps, Power door lock, Anti-theft indicator, Radio memory, Dome/map lamp, PSOM, Remote convenience module (1992), Remote keyless entry module (1993) |
| 9 | 25 | '94-'97: Power point |
| 15 | '92-'93: A/C Switch |
| 10 | 4 | '94-'97: Instrument illumination |
| 15 | '92-'93: Cigar lighter |
| 20 | '92-'93: Cigar lighter, Rear power outlet |
| 11 | 15 | '94-'97: Radio, Radio display dimmer
'92-'93: Radio and clock, Headlamp switch (1992), Main light switch (1993) |
| 12 | 20 | '94-'97:
Circuit Breaker: Power door locks, Power driver seat, Power lumbar
'92-'93:
Circuit Breaker: Anti-theft module, Remote convenience module or without A/T power door locks (1992), Remote keyless entry module or without A/T power door locks (1993), Memory lock module |
| 13 | 15 | '94-'97: Anti-lock brakes, Brake shift interlock, Electronic engine control, Speed control, Stop/hazard lamps, Stop sense for electronic engine control |
| 5 | '92-'93: Instrument panel illumination lamps |
| 14 | 20 | Circuit Breaker: Power windows |
| 15 | 20 | '94-'97: Anti-lock brakes |
| 15 | '92-'93: Air bag module |
| 16 | 15 | '94-'97: Cigarette lighter, Generic Scan Tool |
| 30 | '92-'93: Power lumbar, Modified vehicle power |
| 17 | 10 | '94-'97: Diesel indicators, Electronic transmission, Gauges, Tachometer, Warning buzzer/chime module, Warning indicators |
| 20 | '92-'93: Rear anti-lock brakes, PSOM |
| 18 | 10 | '94-'97: Brake shift interlock, Speedometer, Selectable RPM control (Diesel), Speed control (Diesel) |
| 15 | '92-'93: Instrument panel warning lamps, Warning chime |
| No. | A | Protected components |
| 1 | 20 | Audio power |
| 2 | 15 | 200 Amp alternator (Diesel ambulance only) |
| 3 | 30 | Daytime running lamps (Canada only), Headlamp flash-to-pass, Horn |
| 4 | 25 | Trailer back-up lamps, Trailer running lamps |
| 5 | 15 | Back-up lamps, Daytime running lamp module (DRL) (Canada only), Oxygen sensor heater, Trailer battery charge relay |
| 6 | 10 | Trailer right-hand stop/turn lamp |
| 7 | 10 | Trailer left-hand stop/turn lamp |
| 8 | 30 | Injector driver module (Diesel) |
| 9 | 30 | Gasoline: Powertrain control system |
| 20 | Diesel: Powertrain control system |
| 10 | 20 | Instrument panel fuses: 15,18, Starter relay coil |
| 11 | — | Not used |
| 12 | — | Diode: Powertrain control system relay coil |
| 13 | 50 | Instrument panel fuses: 5,9,13 |
| 14 | — | Not used |
| 15 | 50 | Instrument panel fuses: 1, 7, Power distribution box: fuse 5 |
| 16 | 20 | Gasoline: Fuel pump feed |
| 17 | 50 | Alternator charge lamp, Idle position switch (Diesel), Instrument panel fuses: 2,6, 11,14,17, Power distribution box: fuse 22 |
| 18 | 30 | Trailer battery charge |
| 19 | 40 | Headlamps |
| 20 | 50 | Instrument panel fuses: 4, 8, 12,16 |
| 21 | 30 | Trailer brake feed |
| 22 | 20 | Gasoline: Distributor pickup, Ignition coil, Powertrain control system relay coil, Thick film integrated (TFI) module |
| 30 | Diesel: Fuel line heater, Glow plug controller, Powertrain control system relay coil |
| Relay |
| R1 | Powertrain control system |
| R2 | Gasoline: Fuel pump
Diesel: Injector driver module (IDM relay) |
| R3 | Horn |
| R4 | Trailer tow lamps |
| R5 | Not used |