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

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IMPORTANT: The fuse box illustration and fuse explanation cover the vehicles in the ‘Applies To:’ crate on the ideal column.

The fuse box is situated on the driver next of the dash.

1993 Under Dash Fuse Box#AmpsFuse Name/Descriptions
A30 AmpsIGN-ACCY (Circuit Breaker)Rear Intermittent Wiper/Washer Switch.Master home window Switch.
B30 AmpsBAT-ACCY (Circuit Breaker)Fog light Relay.Rear Defogger Switch.Right former Door Lock Switch.Power winter Inline Fuse.Power chair Switch.Medium Blower Relay.
120 AmpsGAUGESCruise control Module.Master home window Switch (Crew Cab, Suburban, and also Utility).Rear Defogger Switch.Audio alarm Module.Instrument Cluster.
215 AmpsTURN B/UBack-Up light Switch.Turn Signal Flasher.
310 AmpsECM-IGNBrake Switch.Engine manage Module (ECM)/ Powertrain manage Module (PCM) .
410 AmpsINJ A+BFuel Injectors.
510 AmpsTRANTransmission.
625 AmpsRR HVACFront auxiliary A/C Heater Control.Temp mode Door Relay.
725 Amps4WDHeated Oxygen Sensor (w/ 4L60-E).Auxiliary Battery Relay.Transfer situation Switch.
815 AmpsBRAKEVehicle speed Sensor (VSS) Buffer (DRAC).Anti-Lock Brake Module.
9---Not Used
10---Not Used
1125 AmpsHTR A/CA/C Controller Module.Blower switch (w/out A/C).
1220 AmpsCTSYCig. Lighter.Radio.Cargo light Switch.Overhead Console Lights.Right Courtesy Light.
1320 AmpsPARK LPSLight Switch.Horn Relay.
145 AmpsPNL LPSInstrument Cluster.Fog irradiate Switch.Rear Defogger switch Illumin.4WD switch Illumin.Front auxiliary A/C Control.Audio alarm Module.A/C Controller Module.
1515 AmpsSTOPBrake Switch.Rear Wheel Anti-Lock (RWAL) Module.Hazard Flasher.Audio alarm Module.
16---Not Used
17---Not Used
18---Not Used
19---Not Used
20---Not Used
2125 AmpsFRT WIPERFront Wiper.Front Wiper/Washer Switch.
2210 AmpsRADIORadio.

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255 AmpsCRANKECM (w/ hands-on Transmission).