Fuse Box Diagrams and Relays - 2001 Chevy Venture

There was a post in the automotive forums recently asking about what fuses are used for different circuits. 
Here are some fuse box diagrams from my 2001 Venture and some pictures of of each fuse box.

Instrument Panel Fuse Panel / Block   Instrument Panel Fuse Box Diagram

Circuit Breakers Function / Circuits Involved
1 Daytime Running Lamps (DRL) Control Module, Headlamp & Instrument Panel Dimmer Switch
2 Power Sliding Door
3 Front Power Windows
4 6-Way Power Seat & Rear Side Door Actuator Motor
5 Blower Motor Hi Speed Relay Module

Fuses

Usage

Fuses

Usage

6

Steering Wheel Radio Control Switches (Illumination)

27

Inflatable Restraint Control Module

7

Instrument Cluster to PRNDL Indicators

28

Heater-A/C Control

8

Power Remote Control Mirror Switch

29

Instrument Cluster, BCM, Electronic Level Control (ELC) Sensor & Relay

9

Cruise Control Module, Switch & Release Switch

30

Stoplamp Switch

10

Not Used

31

Module/Electronic Brake Control Module/Electronic Brake Traction Control Module (EBCM/EBTCM)

11

Power Control Module (PCM), Ignition Crank

32

Evaporative Emissions (EVAP) Canister Vent Solenoid Valve

12

PASS-Key III System

33

Not Used

13

Body Control Module (BCM)

34

ELC Air Compressor & ELC Relay, Trailer Harness

14

Heated Mirrors

35

Courtesy Lamp

15&16

Not Used

36

BCM, Electronic Brake Control Indicator Lamp Driver Module, Instrument Panel Cluster, Rear Side Door Actuator Control Module, Rear Windows

17

Cigarette Lighter, DIC, Front Auxiliary Power Outlets

37

Rear HVAC-A/C Control

18

Turn Signal Switch

38

Rear Window Wiper Motor, Rear Window Wiper/Washer & Multifunction Switch (Rear Window Wiper/Washer Switch)

19

Interior Lamp & Multifunction Switch (Power Vent Switch)

39-43

Not Used

20

Windshield Wiper/Washer Motor & Switch

44

Retained Accessory Power (RAP) Relay

21

Turn Signal Switch

45

Not Used

22

Rear Electric Accessory Plug Housing

46

Air Inlet Actuator, DIC Display, DRL Control Module, Heater-A/C Control, Temperature Door Actuator (Front) & Rear Window Defogger Relay

23

DRL Control Module

47

BCM Programming

24

Not Used

48&49

Not Used

25

Rear Window Defogger Relay, Heated Mirrors

50

IGN MAIN Relay & PCM, Electronic Break Control Module

26

OnStar

   

Under-Hood Fuse Block   Under-Hood Fuse Block Diagram

Maxi Fuse

Usage

1

COOL FAN 2 Coolant Fans

2

Not Used

3

HEADLAMPS Circuit Breakers: FRT HVAC HI BLWR, & HEADLAMP Fuses (Instrument Panel): HAZARD & STOPLAMP

4

BATT MAIN 2 Circuit Breaker: PWR SEAT/PSD. Fuses (Instrument Panel): ELC & RR DEFOG

5

IGN MAIN 1 Ignition Switch to Fuses (Instrument Panel): ABS/TCS IGN, CRUISE, DRL, ELEC PRNDL, IGN 1, PSD, SIR, T/SIG & PCM [IGN MAIN Relay (Underhood Electrical Center Fuses: A/C CLU, ELEK IGN, IGN 1-U/H, INJ, TCC)

6

COOL FAN 1 Coolant Fans

7

BATT MAIN 1 Fuses (Instrument Panel): ABS MOD BATT, CIGAR/DLC, CTSY LAMP, FRT PWR SCKT, PWR LOCK, PWR MIRROR & RR PWR SCKT

8

IGN MAIN 2 Ignition Switch to Fuses (I/P): BCM PRGRM, FRT HVAC LOW/MED BLWR, FRT WPR/WSHR, HVAC/DRL, MALL/RADIO/DIC, PWR QRT VENT, RR HVAC, RR WPR/WSHR, SWC ACCY & PWR WDO Circuit Breaker

Mini Relays


Usage

Micro Relays


Usage

9

COOL FAN RH FAN 1, LH FAN 2

13

A/C CLU A/C Clutch

10

COOL FAN 2 LH FAN 2

14

FUEL PUMP Fuel Pump

11

IGN MAIN FUSES: A/C CLU, IGN 1-U/H, INS, ELEK IGN, TCC

15

Not Used

12

COOL FAN 1 RH FAN 1, LH FAN 2

16

HORN Horn

   

17

FOG LAMP LH Fog Lamp, RH Fog Lamp, Fog Lamp Indicator

Mini Fuse

Usage

18

INJ Fuel Injectors 1-6

19 & 20

SPARE Not Used

21

IGN1-UH Evaporative Emissions (EVAP) Canister Purge Valve, Heated Oxygen Sensors 1 & 2, Mass Air Flow (MAF) Sensor

22, 23, 24

SPARE Not Used

25

ELEK IGN Ignition Control Module (ICM)

26

SPARE Not Used

27

B/U LAMP Transaxle Range Switch to Back-up Lamps

28

A/C CLU A/C CLU Relay to A/C Compressor Clutch Oil

29

RADIO Driver Information Display, Heater A/C Control, Radio, Rear Side Door Actuator Control Motor, Remote Control Door Lock Receiver (RCDLR), Security Indicator Lamp & Theft-Deterrent Shock Sensor

30

ALT SENSE Generator

31

TCC Automatic Transaxle (Torque Converter Clutch Solenoids) Stoplamp Switch to PCM

32

FUEL PUMP Fuel Pump Relay

33

ECM SENSE Powertrain Control Module (PCM)

34

Not Used

35

FOG LP Fog Lamp Relay

36

HORN Horn Relay

37

PARK LP Daytime Running Lamps (DRL) Control Module, Headlamps & Instrument Panel Dimmer Switch Theft-Deterrent Relay to Headlamps

38

Not Used

39

AIR Not Used

40

Mini Fuse Puller

Diodes

 

A/C CLU DIODE

Air Conditioning Clutch Diode

Starter Relay

On Radiator Support near the battery

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