How to replace the Fuse Box in the Body Wiring Harness Junction Block on Chevrolet Express 3500?

The procedure for replacing body wiring harness junction block begins with disconnecting the negative Battery Cable followed by removing the driver seat. The procedure starts by removing both the positive Battery Cable and its nut from the junction block while simultaneously taking off the junction block cover. The motorist should disconnect electrical connectors at the junction block when yf7 is present. Start by fully loosening the junction block caged bolts. After releasing the tabs connecting the junction block to its base position, pull out the junction block from the block base. Begin this process by removing junction block base nuts (1, 3) together with the wiring harness from the junction block base. After that replace the junction block base on the floor. The wiring harness installation starts by mounting it to the junction block base while making sure electrical connectors number 4 and number 5 remain exposed above the junction block base. We need to tighten each junction block base nut of 5 n.m (44 lb in) onto its corresponding floor stud. Place the junction block into the junction block base so the retaining tabs rest fully then fasten the bolts to 5 n.m (44 lb in). First connect electrical connectors when using yf7 before attaching the positive Battery Cable to the junction block and installing its nut to achieve a torque reading of 10 n.m (88 lb in). Use the junction block cover to complete the replacement while reattaching the driver seat and restoring the battery negative cable connection.

OEM Chevrolet Express 3500 Fuse Box

Fuse Holder Box

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18 Fuse Boxes found

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Chevrolet Express 3500 Junction Block
Part Number: 25888305
$167.63 MSRP: $263.74
You Save: $96.11 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block Assembly-Body Wiring Harness Junction; Junction Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 25813771
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Junction Block
Part Number: 23104896
$160.05 MSRP: $251.81
You Save: $91.76 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Junction Block
Part Number: 22737795
$168.05 MSRP: $264.42
You Save: $96.37 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Junction Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 20902964, 20928294
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Junction Block
Part Number: 15930149
$301.73 MSRP: $474.76
You Save: $173.03 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block, Wiring Junction; Junction Boxes; Fuse Box
- Replaces: 15226191, 15295290, 25760822, 15917681
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Junction Block
Part Number: 85145018
$191.14 MSRP: $331.43
You Save: $140.29 (43%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box
- Replaced by: 85665752
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Junction Block
Part Number: 85145017
$134.92 MSRP: $212.29
You Save: $77.37 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box
- Replaced by: 84794657
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Junction Block
Part Number: 84816379
$77.15 MSRP: $120.82
You Save: $43.67 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Block Assembly, Body Wiring Harness Junction; Block, Wiring Junction
- Replaced by: 85626955
- Replaces: 84839544, 84983386
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 84184430
$191.75 MSRP: $301.70
You Save: $109.95 (37%)
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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Chevrolet Express 3500 Junction Block
Part Number: 84184429
$159.55 MSRP: $251.03
You Save: $91.48 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2021 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 84184428
$156.39 MSRP: $246.08
You Save: $89.69 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box; Block, Wiring Junction
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2020 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 15930141
$133.74 MSRP: $210.45
You Save: $76.71 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Body Wiring Harness Junction; Junction Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 15917666, 25760824
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 22786561
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Block, Wiring Junction
- Replaces: 20995990, 20928295, 20902965
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Junction Block
Part Number: 25930729
$196.49 MSRP: $309.17
You Save: $112.68 (37%)
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Junction Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 15938399, 25855772, 25888291
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Express 3500 | Base | 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 25888290
$236.60 MSRP: $372.28
You Save: $135.68 (37%)
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Junction Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 15938398, 25855771
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 85145016
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 84983380
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 84983378
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
View related parts
Chevrolet Express 3500 Junction Block
Part Number: 84184393
Product Specifications
- Other Name: Block Assembly-Body Wiring Harness Junction; Junction Boxes; Fuse Box; Block, Wiring Junction
- Replaces: 22778075, 20995978
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2018 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL

Chevrolet Express 3500 Fuse Box

Our website offers an extensive catalog of genuine Chevrolet Express 3500 Fuse Box at unbeatable prices. Every OEM Chevrolet Express 3500 Fuse Box comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Express 3500 Fuse Box Parts Questions & Experts Answers

Junction Block
15930149
Q: How to replace the Fuse Box in the Body Wiring Harness Junction Block on Chevrolet Express 3500?
A: The procedure for replacing body wiring harness junction block begins with disconnecting the negative Battery Cable followed by removing the driver seat. The procedure starts by removing both the positive Battery Cable and its nut from the junction block while simultaneously taking off the junction block cover. The motorist should disconnect electrical connectors at the junction block when yf7 is present. Start by fully loosening the junction block caged bolts. After releasing the tabs connecting the junction block to its base position, pull out the junction block from the block base. Begin this process by removing junction block base nuts (1, 3) together with the wiring harness from the junction block base. After that replace the junction block base on the floor. The wiring harness installation starts by mounting it to the junction block base while making sure electrical connectors number 4 and number 5 remain exposed above the junction block base. We need to tighten each junction block base nut of 5 n.m (44 lb in) onto its corresponding floor stud. Place the junction block into the junction block base so the retaining tabs rest fully then fasten the bolts to 5 n.m (44 lb in). First connect electrical connectors when using yf7 before attaching the positive Battery Cable to the junction block and installing its nut to achieve a torque reading of 10 n.m (88 lb in). Use the junction block cover to complete the replacement while reattaching the driver seat and restoring the battery negative cable connection.

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