How to replace the positive battery cable on 4.8L, 5.3L, 6.0L, and 6.2L engines on GMC Sierra 3500 Classic?

The first step for battery cable replacement in vehicles with 4.8L, 5.3L, 6.0L and 6.2L engines includes disconnecting the negative cable and removing the hood junction block cover. The junction block retainers should be shifted from the locked position to the open position while removing the junction block. Before installation disconnect the positive battery cable connector at the underhood bussed electrical center (UBEC) then remove the mega fuse cover. First disconnect the mega fuse nut along with the generator battery jumper cable terminal from the mega fuse stud. Begin by removing the plenum front panel battery cable channel together with its clips from the panel studs and then continue by disconnecting the positive cable terminal from the mega fuse stud. The positive battery cable must be taken off of the vehicle at the end. Begin the installation process by inserting the positive battery cable inside the vehicle then connect its terminal to the mega fuse stud. Reposition the positive cable channel and its attachment clips to the front panel of the plenum before installing the generator battery jumper cable terminal at the mega fuse stud and the generator battery jumper cable at the mega fuse nut with 9 N.m (80 lb in) torque. Replace the positive battery cable connector that leads to the UBEC after inserting the mega fuse cover. First position the junction block retainers open then attach the junction block to the 4 bracket pivots then lock the retainers by pushing them down. The negative battery cable needs to be the last step by reconnecting it after reinstalling the under hood junction block cover.

OEM GMC Sierra 3500 Classic Battery Cable

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GMC Sierra 3500 Classic Negative Cable
Part Number: 15321212
$201.86 MSRP: $440.74
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Product Specifications
- Other Name: Cable, Battery Negative; Battery Cables; Ground Strap; Cable, Battery Negative And Engine Ground
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Classic Negative Cable
Part Number: 15371972
$152.69 MSRP: $276.36
You Save: $123.67 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cable, Battery Negative And Engine Ground
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Classic Positive Cable
Part Number: 15371970
Product Specifications
- Other Name: Cable Assembly, Battery Positive; Battery Cables; Cable, Battery(Positive)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Sierra 3500 Classic Positive Cable
Part Number: 15321247
Product Specifications
- Other Name: Cable, Battery (Positive); Battery Cables; Cable, Battery(Positive)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Classic Negative Cable
Part Number: 15321221
Product Specifications
- Other Name: Cable, Battery Negative; Battery Cables; Ground Strap; Cable, Battery Negative And Engine Ground
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Classic Positive Cable
Part Number: 19117211
Product Specifications
- Other Name: Cable; Cable, Battery Negative And Engine Ground; Cable, Battery(Positive)
- Replaces: 15137041, 15288538, 15833801
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Classic Positive Cable
Part Number: 19115453
Product Specifications
- Other Name: Cable, Battery (Positive); Battery Cables; Cable, Battery(Positive)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
View related parts
GMC Sierra 3500 Classic Negative Cable
Part Number: 15372003
Product Specifications
- Other Name: Cable, Battery Negative And Engine Ground; Battery Cables; Ground Strap
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
View related parts
GMC Sierra 3500 Classic Positive Cable
Part Number: 15371984
Product Specifications
- Other Name: Cable Assembly, Battery Positive; Battery Cables; Cable, Battery(Positive)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
View related parts
GMC Sierra 3500 Classic Negative Cable
Part Number: 15321207
Product Specifications
- Other Name: Cable, Battery Negative And Engine Ground; Battery Cables; Ground Strap
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS

GMC Sierra 3500 Classic Battery Cable

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GMC Sierra 3500 Classic Battery Cable Parts Questions & Experts Answers

Negative Cable
15321212
Q: How to replace the positive battery cable on 4.8L, 5.3L, 6.0L, and 6.2L engines on GMC Sierra 3500 Classic?
A: The first step for battery cable replacement in vehicles with 4.8L, 5.3L, 6.0L and 6.2L engines includes disconnecting the negative cable and removing the hood junction block cover. The junction block retainers should be shifted from the locked position to the open position while removing the junction block. Before installation disconnect the positive battery cable connector at the underhood bussed electrical center (UBEC) then remove the mega fuse cover. First disconnect the mega fuse nut along with the generator battery jumper cable terminal from the mega fuse stud. Begin by removing the plenum front panel battery cable channel together with its clips from the panel studs and then continue by disconnecting the positive cable terminal from the mega fuse stud. The positive battery cable must be taken off of the vehicle at the end. Begin the installation process by inserting the positive battery cable inside the vehicle then connect its terminal to the mega fuse stud. Reposition the positive cable channel and its attachment clips to the front panel of the plenum before installing the generator battery jumper cable terminal at the mega fuse stud and the generator battery jumper cable at the mega fuse nut with 9 N.m (80 lb in) torque. Replace the positive battery cable connector that leads to the UBEC after inserting the mega fuse cover. First position the junction block retainers open then attach the junction block to the 4 bracket pivots then lock the retainers by pushing them down. The negative battery cable needs to be the last step by reconnecting it after reinstalling the under hood junction block cover.

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