Fuse panel ID large connector near the fuse box?

Tiny
JEFFJ
  • MEMBER
  • 2011 CHEVROLET SILVERADO
  • 6.6L
  • V8
  • TURBO
  • 4WD
  • AUTOMATIC
  • 300,000 MILES
I have an electrical connector on a duramax diesel. It is a large connector near the fuse box. It has a leverlock arm to lock it in place. On the side of it is EPC- PA66, E-4587. It is unplugged and I cannot find where it plugs in. It has a red lining inside of this connector with a hole in the center of this plug. It has quite a few fuses please help identifying where there go.
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Wednesday, July 3rd, 2019 AT 12:51 PM

40 Replies

Tiny
KEN
  • ADMIN
Hello,

Here is a guide to help check the fuses with the fuse panel identification in the diagrams below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

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Thursday, July 4th, 2019 AT 4:01 PM
Tiny
BOGUS1
  • MEMBER
  • 2007 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 14,000 MILES
Has no hazard flashers or turn signals and I cannot locate the fuse to replace it
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
JDL
  • EXPERT
Welcome, ignition E fuse-- 10 amp. Underhood fuse block, left side of engine. Not only check the fuse, use a testlite and check fuse circuit for voltage, goes hot with the key on. Here is the location and the fuse panels. Check out the diagrams (Below). Please let us know what happens.
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
D PEEL
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 116,000 MILES
My plug in power outlets on the front and rear of my truck's console do not work. Please identify the fuse panel and its location for replacement.
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
JDL
  • EXPERT
Hello,

There is an Aux pwr fuse, underhood fuse block. Here is a guide to help test th3 fusee and the location with the identification in the diagrams below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
RONMON
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 270,000 MILES
Rooftop clearance lights don't work. Replaced bulbs. No power. Where is their fuse? Not identified in either fuse block? Do you have the fuse locations?

Ron
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
GMTECH
  • EXPERT
It is called INT park fuse. Here is a guide to help test them with the fuses in the diagrams below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Please let us know what you find.
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
RONMON
  • MEMBER
That was it!

Thanks, Ron
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
POURIERJOHN
  • MEMBER
  • 2000 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
Where is the fuse located for the 4 wheel drive? The fuse needs replaced and I dont know where its at.
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Fuse #7 / 15 amp in the fuse block under the dash. see pic attached and guide below

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
LSMITH16
  • MEMBER
  • 1999 CHEVROLET SILVERADO
No power to some of the fuse box inside. Hvac is not working either. The red wire off of the electrical box shows no power. What's the issue?
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Thursday, May 13th, 2021 AT 7:03 PM (Merged)
Tiny
HMAC300
  • EXPERT
Hello,

There is a lighting fuse 50 amp I would check here is a guide to help and the wiring diagrams below so you can see how the system works.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (Below). Please let us know what happens.

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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
BOOPERIII
  • MEMBER
I had this problem it was the fuse, all fixed!
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
COMANCHI1
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 165,000 MILES
Relay configuration on high side lo side. Under hood.
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
KASEKENNY1
  • EXPERT
Hi,

Here is the under-hood fuse box. Let me know if you need more information. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
LANDSCAPE
  • MEMBER
  • 1996 CHEVROLET SILVERADO
I have lost my diagram for the fuse panel. My back brake lights are not working. I am missing a couple fuses so I can not tell. Can you please tell me which fuse is for the lights. PLEASE help :)
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
KEN
  • ADMIN
Hello,

Here is some guides to help you test the fuses and relays.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Also I have found some diagrams that will help you get the problem fixed (BELOW)

Fuse & Circuit Breaker Identification

1 - Stop/Haz 20 Amp (Yellow) Stop/TCC Switch, Hazard Flasher, Seat Belt Reminder, Stoplights, CHMSL (Center High Mounted Stop Light)
2 - T Case (Not Used) Transfer Case
3 - CTSY 20 Amp (Yellow) Courtesy Lamps, Cargo Lamp, Glove Box Light, Power Mirrors, Dome/Reading Lamps, Vanity Mirrors
4 - Gauges 10 Amp (Red) DRL Relay, DRL Module Buzzer, Headlamp Switch, Keyless Entry, Cluster/Gauges, Low Coolant Module, Convenience Center Electrochromatic Rearview Mirror with Compass
5 - RR HVAC 10 Amp (Red) RR HVAC Controls
6 - Cruise 10 Amp (Red) Cruise Module, Cruise Activator Switch
7 - AUX PWR 25 Amp (Clear) Power Outlets (2)
8 - Crank 10 Amp (Red) Diesel Fuel Pump, DERM ECM (Air Bag), PCM
9 - Park Lamps 20 Amp (Yellow) License Plate Light, Park Lamps, Tail Lamps, Ashtray Lamp, Door Switch Illumination, Headlight ON Warning, Side Marker Fog Lamp Relay, Clearance Lights, Heater & A/C Illumination,
10 - Air Bag 10 Amp (Red) DERM (Air Bag)
11 - Wiper 25 Amp (Clear) Windshield Washer/Wiper
12 - HTR-A/C 25 Amp (Clear) L, M1, M2 Blower, HVAC Indicator Lamp, A/C Compressor, Mode/Temp/Air In Actuator, High Blower Relay, Transfer Case
13 - CIG LTR 20 Amp (Yellow) Cigar Lighter, Power Amplifier, Door Lock Relay, Power Lumbar Seat, Rear Lift Glass
14 - ILLUM 10 Amp (Red) 4WD Indicator Lamp, Cluster, HVAC Controls, Chime Module, Radio Illumination, Instrument Panel Switches, RR HVAC Controls
15 - DRL-FOG 20 Amp (Yellow) DRL Relay, Fog Lamps
16 - Turn B/U 20 Amp (Yellow) Front Turn, RR Turn, Trailer Turn, Back-up Lamps, BTSI (Brake/Transmission Shift Interlock) Solenoid
17 - Radio 10 Amp (Red) Radio (IGN)
18 - Brake 10 Amp (Red) DRAC, 4WAL/PCM, ABS, Cruise
19 - Radio 10 Amp (Red) Radio (BATT)
20 - Acc/Ign 10 Amp (Red) PRNDL, Auto Transmission, Speedometer, Check Gauges, Tell Tale
21 - Not Used
22 - Not Used
23 - Not Used
24 - 4WD 25 Amp (Clear) 4X4 Models Front Axle Actuator, 4WD Indicator Lamp, TP2 Relay, Hour Meter (7Y4 Option)
A - PWR ACCY 20 Amp - C/K Reg. & Ext. Cab (Circuit Breaker) Power Door Lock, 6 Way Power Seat, Keyless Entry Module 30 Amp - C/K Crew Cab (Circuit Breaker) Power Door Lock, 6 Way Power Seat, Keyless Entry Module
B - PWR WDOS 20 Amp - C/K Reg. & Ext. Cab (Circuit Breaker) Power Windows 30 Amp - C/K Crew Cab (Circuit Breaker) Power Windows

and

1 - Spare
2 - STOP 30 Amp Maxifuse (Green) Stop Lamps
3 - A/C 50 Amp Maxifuse (Red) High Blower Relay, Rear Blower Relay
4 - ABS 60 Amp Maxifuse (Blue) ABS Module
5 - IGN B 50 Amp Maxifuse (Red) 50 Amp IGN B Switch, Go To Fuse Block Busbar
6 - IGN A 40 Amp Maxifuse (Amber) IGN A Switch, Go To Fuse Block Bus Bar
7 - BATTERY 50 Amp Maxifuse (Red) Battery, Fuse Block Bus Bar
8 - LIGHTING 50 Amp Maxifuse (Red) Headlamp & Panel Dimmer Switch, Fog Lights, Courtesy Lights
9 - 30 Amp (Green)
10 - 30 Amp (Green)
11 - 10 Amp (Red) Spare
12 - 20 Amp (Yellow) Spare
13 - 30 Amp (Green) Spare
14 - Not Used
15 - A/C COMP 10 Amp (Red) SW A/C Pressure to A/C Clutch
16 - HORN 20 Amp (Yellow) Horn, Underhood Lamps
17 - ECM B 20 Amp (Yellow) Fuel Pump, PCM
18 - Not Used
19 - AUX FAN 30 Amp (Green) Aux. Fan
20 - RR- DEFOG 30 Amp (Green) RR DEFOG
21 - ENG 1 20 Amp (Yellow) IGN A Switch to Engine Loads, EGR, Canister Purge EVRV Idle Coast Solenoid, Heated O2 Sensor, Fuel Heater, Water Sensor
22 - ECM 1 20 Amp (Yellow) Injector #1, Injector #2, PCM
23 - FUEL SOL 20 Amp (Yellow) Fuel Solenoid (Diesel Engine Only)
24 - Not Used
25 - Not Used
26 - IGN E 10 Amp (Red) Aux Fan Relay Coil, Hot Fuel Module
27 - Not Used
28 - Not Used
29 - GLOW PLUGS 10 Amp (Red) Glow Plugs (Diesel Engine Only)
30 - Not Used
31 - Not Used
32 - Not Used
A - 30 Amp
B - 30 Amp UY1, UY7 Camper/Trailer Wiring
C - Brake Lamp Relay
D - Horn Relay
E - Auxiliary Fan Relay
F - A/C Relay
G - Fuel Pump Relay

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
2CARPROS-ARCHIVES
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • 80,000 MILES
What does the "fuel sol" abbreviation mean in the fuse block under the hood?
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
MEKANIC4755
  • EXPERT
Fuel solenoid, or on gas engines fuel pump relay. Here is a guide to help check the fuses with the fuse box location and ID below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please let us know if you need anything else to get the problem fixed. Thanks for using 2CarPros
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)
Tiny
JUAN RESENDEZ
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • 5.7L
  • 2WD
  • AUTOMATIC
  • 543,876,543 MILES
Fuse # 14 is good. I push it in the fuse box where it belongs, but there is no function. I cannot see the back of the fuse box to see what is going on.
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Thursday, May 13th, 2021 AT 7:04 PM (Merged)

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