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