1993 GMC and Chevrolet Pickup Fuse Box Fuse Location and Description

In the table below you'll find the fuse location and description of the fuses of the fuse box on 1993 4.3L, 5.0L, 5.7L TBI equipped 4.3L, 5.0L, and 5.7L pickups.

IMPORTANT: The fuse box illustration and fuse descriptions cover the vehicles in the ‘Applies To:’ box on the right column.

The fuse box is located on the driver side of the dash.

1993 Under Dash Fuse Box
# Amps Fuse Name/Descriptions
A 30 Amps IGN-ACCY (Circuit Breaker)
  1. Rear Intermittent Wiper/Washer Switch.
  2. Master Window Switch.
B 30 Amps BAT-ACCY (Circuit Breaker)
  1. Fog Light Relay.
  2. Rear Defogger Switch.
  3. Right Front Door Lock Switch.
  4. Power Mirror Inline Fuse.
  5. Power Seat Switch.
  6. Medium Blower Relay.
 
1 20 Amps GAUGES
  1. Cruise Control Module.
  2. Master Window Switch (Crew Cab, Suburban, and Utility).
  3. Rear Defogger Switch.
  4. Audio Alarm Module.
  5. Instrument Cluster.
2 15 Amps TURN B/U
  1. Back-Up Light Switch.
  2. Turn Signal Flasher.
3 10 Amps ECM-IGN
  1. Brake Switch.
  2. Engine Control Module (ECM)/ Powertrain Control Module (PCM) .
4 10 Amps INJ A+B
  1. Fuel Injectors.
5 10 Amps TRAN
  1. Transmission.
6 25 Amps RR HVAC
  1. Front Auxiliary A/C Heater Control.
  2. Temp Mode Door Relay.
7 25 Amps 4WD
  1. Heated Oxygen Sensor (w/ 4L60-E).
  2. Auxiliary Battery Relay.
  3. Transfer Case Switch.
8 15 Amps BRAKE
  1. Vehicle Speed Sensor (VSS) Buffer (DRAC).
  2. Anti-Lock Brake Module.
9 --- Not Used
10 --- Not Used
11 25 Amps HTR A/C
  1. A/C Controller Module.
  2. Blower Switch (w/out A/C).
12 20 Amps CTSY
  1. Cig. Lighter.
  2. Radio.
  3. Cargo Light Switch.
  4. Overhead Console Lights.
  5. Right Courtesy Light.
13 20 Amps PARK LPS
  1. Light Switch.
  2. Horn Relay.
14 5 Amps PNL LPS
  1. Instrument Cluster.
  2. Fog Light Switch.
  3. Rear Defogger Switch Illumin.
  4. 4WD Switch Illumin.
  5. Front Auxiliary A/C Control.
  6. Audio Alarm Module.
  7. A/C Controller Module.
15 15 Amps STOP
  1. Brake Switch.
  2. Rear Wheel Anti-Lock (RWAL) Module.
  3. Hazard Flasher.
  4. Audio Alarm Module.
16 --- Not Used
17 --- Not Used
18 --- Not Used
19 --- Not Used
20 --- Not Used
21 25 Amps FRT WIPER
  1. Front Wiper.
  2. Front Wiper/Washer Switch.
22 10 Amps RADIO
  1. Radio.
25 5 Amps CRANK
  1. ECM (w/ Manual Transmission).
1993 GMC and Chevrolet Pickup Fuse Box Fuse Location and Description 1993 GMC and Chevrolet Pickup Fuse Box Fuse Location and Description