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2003 GMC Sierra 3500
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Fuses & Fuse Box
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OEM (Genuine) 2003 GMC Sierra 3500 Junction Block
PartNumber: 15177119
Product Specifications- Item Dimensions: 9.3 x 5.5 x 11.9 inches
- Item Weight: 3.30 Pounds
- Replaced by: 15786043
- Part Description: 2003 GMC Sierra 3500 Junction Block
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
$403.16 MSRP:$640.10You Save: $236.94 (38%)
FAQ for Relay Boxes Repair
Q: How to install the left relay box?
A:
You can install the fuse block onto the I/P assembly, the wire harness block to the back of the fuse block, the bolt, the turn signal relay to the back of the fuse block, the electrical connectors, the knee bolster, and the left side end panel.
By Bob
GM Specialist
02/11/2022Q: How to install the relay box-right?
A:
You can install the fuse block to the I/P wire harness block, the retaining bolt, and the fuse block to the I/P until it clicks in place, connect the wiring connectors to the fuse block, and install the right side end panel.
By Bob
GM Specialist
02/11/2022Q: What is the recommended bolt torque for the right relay box?
A:
The recommended bolt torque is 6 N.m (53 lb in).
By Bob
GM Specialist
02/11/2022Q: How to remove the relay box?
A:
You can disconnect the negative battery cable, remove the left fender upper brace, the electrical center brace cover assemble, all fuses and relays, push on the tab, remove all connectors by removing the bolt, disconnect all connectors from the electrical center block, and remove the engine electrical center bracket assembly from the fender.
By Bob
GM Specialist
02/11/2022Q: How to remove the relay box-right?
A:
You can remove the right side end panel, push in the tabs to remove the fuse block, pull the fuse block out of the I/P to remove the retaining bolt, loosen the bolt, insert a screwdriver, separate the fuse block from the I/P harness block, and remove the I/P wiring harness block from the vehicle.
By Bob
GM Specialist
02/11/2022Q: What is the recommended bolt torque for the left relay box?
A:
The recommended bolt torque is 6 N.m (53 lb in).
By Bob
GM Specialist
02/11/2022Q: How to install the relay box?
A:
You can install the engine electrical center bracket assembly, and the 4 retaining bolts, align the electrical center block, connect the wire connectors, the wire connectors with the bolts, install the fender upper brace, the 4 fender upper brace bolts, and start the vehicle and ensure all components function properly.
By Bob
GM Specialist
02/11/2022Q: How to remove the left relay box?
A:
You can remove the left side end panel, the knee bolster, all the fuses, and the turn signal relay from the back of the fuse block, insert a screwdriver between the fuse block and the wire harness block to separate, push on the retainers to remove the fuse block, and remove the fuse block from the vehicle.
By Bob
GM Specialist
02/11/2022See more FAQs (3)