How to replace the left instrument panel fuse box on GMC Sierra 1500?

The left instrument panel electrical center or junction block replacement process begins by taking out the left side end panel along with the knee bolster. First disconnect wiring connectors from the Fuse block while removing all fuses from it. Start by taking the turn signal relay from the Fuse block backend then remove its retaining bolt located behind this block. Separate the Fuse block from the wire harness block by using a screwdriver then push on the retainers to pull out the Fuse block from the vehicle. Install the Fuse block onto i/p assembly by sliding it into position when it unlocks. After that, join the wire harness block to Fuse block rear and secure it with a 6 n.m torque. The turn signal relay should receive reinstallation followed by the proper order of fuses based on the Fuse panel wiring diagram on its cover. The electrical connectors need to be reconnected after installing the knee bolster and left side end panel.

OEM GMC Sierra 1500 Fuse Box

Fuse Holder Box

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27 Fuse Boxes found

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GMC Sierra 1500 Fuse Box Part Number: 84354716
$95.86 MSRP: $171.18
You Save: $75.32 (44%)
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Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Distribution Box; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box, Driver Side Part Number: 23459420
$92.02 MSRP: $184.76
You Save: $92.74 (51%)
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Product Specifications
- Other Name: Block, Main Wiring Junction And Fuse Block; Junction Boxes; Fuse Box; Block, Wiring Junction
- Position: Driver Side
- Replaces: 23443945, 23176467
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2019 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Junction Block Part Number: 84303175
$198.77 MSRP: $312.75
You Save: $113.98 (37%)
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Product Specifications
- Other Name: Block; Junction Boxes; Relay Boxes; Fuse Box; Fuse & Relay Box; Block, Wiring Junction
- Replaces: 23254025, 23285565, 84075768, 84071500, 84075778, 84008527, 84303177, 84303178, 84008524, 23143471, 23285572, 23285569, 84303179, 23143470, 23285567, 84075777, 84008525, 84075776
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Junction Block Part Number: 20813086
$211.33 MSRP: $332.50
You Save: $121.17 (37%)
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Product Specifications
- Other Name: Block Assembly-Body Wiring Harness Junction; Junction Boxes; Relay Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 15780696
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 85561330
$115.82 MSRP: $182.19
You Save: $66.37 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 85655313
$124.60 MSRP: $196.01
You Save: $71.41 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Block; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Junction Block Part Number: 84646134
$96.02 MSRP: $150.40
You Save: $54.38 (37%)
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Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Fuse Box; Block, Wiring Junction
- Replaced by: 85015808
- Replaces: 84493556
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Distribution Box Part Number: 84219289
$91.03 MSRP: $142.60
You Save: $51.57 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Block, Wiring Junction
- Replaces: 84012731, 23232162, 84044647
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Junction Block Part Number: 15177119
$486.48 MSRP: $768.89
You Save: $282.41 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block; Junction Boxes; Relay Boxes; Fuse Box
- Replaced by: 15786043
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 GMC Sierra 1500 | Base, Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 85655314
$128.56 MSRP: $202.24
You Save: $73.68 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Junction Block Part Number: 84596390
$49.91 MSRP: $78.17
You Save: $28.26 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block Assembly-Body Wiring Harness Junction; Harness, Chassis Wiring; Block, Wiring Junction
- Replaces: 23355667
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 86771159
$156.36 MSRP: $246.04
You Save: $89.68 (37%)
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Product Specifications
- Other Name: Block; Block, Wiring Junction
- Replaces: 84958052, 84594609, 84518645
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2022 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Junction Block Part Number: 84646132
$88.64 MSRP: $138.85
You Save: $50.21 (37%)
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Fuse Box; Block, Wiring Junction
- Replaced by: 85015807
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 87832675
$76.56 MSRP: $119.91
You Save: $43.35 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Block, Main Wiring Junction And Fuse Block; Block, Wiring Junction
- Replaced by: 85777914
- Replaces: 86774332
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 86771158
$162.29 MSRP: $255.29
You Save: $93.00 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Block, Wiring Junction
- Replaces: 84594608, 84958055, 84518644
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2022 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box Part Number: 85561329
$152.14 MSRP: $239.34
You Save: $87.20 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Junction Block Part Number: 84977658
$29.09 MSRP: $45.56
You Save: $16.47 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Fuse Box; Block, Wiring Junction
- Replaced by: 85015815
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Fuse & Relay Box, Passenger Side Part Number: 22988417
$117.40 MSRP: $184.70
You Save: $67.30 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block Assembly-Fuse; Junction Boxes; Fuse Box
- Position: Passenger Side
- Replaced by: 23443944
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Junction Block Part Number: 86774331
$89.58 MSRP: $140.28
You Save: $50.70 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Block, Wiring Junction
- Replaced by: 85015809
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
View related parts
GMC Sierra 1500 Fuse & Relay Box Part Number: 84303176
$184.62 MSRP: $290.48
You Save: $105.86 (37%)
Product Specifications
- Other Name: Block; Junction Boxes; Relay Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 23387799, 84075772
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS

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GMC Sierra 1500 Fuse Box

Want to cut long-term maintenance and repair costs? Choose OEM Fuse Box. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC Sierra 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC Sierra 1500 Fuse Box includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

GMC Sierra 1500 Fuse Box Parts and Q&A

Junction Block
15786043
Q: How to replace the left instrument panel fuse box on GMC Sierra 1500?
A:
The left instrument panel electrical center or junction block replacement process begins by taking out the left side end panel along with the knee bolster. First disconnect wiring connectors from the Fuse block while removing all fuses from it. Start by taking the turn signal relay from the Fuse block backend then remove its retaining bolt located behind this block. Separate the Fuse block from the wire harness block by using a screwdriver then push on the retainers to pull out the Fuse block from the vehicle. Install the Fuse block onto i/p assembly by sliding it into position when it unlocks. After that, join the wire harness block to Fuse block rear and secure it with a 6 n.m torque. The turn signal relay should receive reinstallation followed by the proper order of fuses based on the Fuse panel wiring diagram on its cover. The electrical connectors need to be reconnected after installing the knee bolster and left side end panel.