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GM 15321221
Negative Cable

1999-2007 GM

Customer Questions & Expert Answers (37)
GM 15321221 Negative Cable
GM 15321221 Negative Cable
  • Part Description
    Cable, Battery Negative; Battery Cables; Ground Strap
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2002-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2002-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2002-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    1999-2007 Chevrolet Silverado 1500Base, Hybrid, LS, LT, LTZ, SS, WT, Z71 Off-Road8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 ClassicHybrid, LS, LT, SS, WT8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2005-2006, 2001-2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    1999-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 5.3 L GAS, 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 15321221 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15321221 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the first step to remove the positive battery cable for the 2003 Cadillac Escalade? Posted by Customer
    A:
    First, disconnect the negative battery cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done if necessary before proceeding for the 2005 Cadillac Escalade EXT? Posted by Customer
    A:
    Remove the left front wheel house panel.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What additional steps are needed for a 4.8 L, 5.3 L, or 6.0 L engine for the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Remove the negative cable clip from the positive cable clip, then raise and suitably support the vehicle.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the procedure for a 4.8L, 5.3L, or 6.0L engine after lowering for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Position the negative cable and engine wiring harness ring terminals to the engine block, ensuring the anti-rotation tab on the negative cable is correctly placed, then install the engine wiring harness ground/negative cable bolt and tighten it to 25 N.m (18 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done before installing the battery cable for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Clean any existing corrosion from the battery terminal bolt flange and the battery cable end.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step for installation for the 2005 Chevrolet Silverado 1500? Posted by Customer
    A:
    Begin by installing the positive battery cable and securing it to the clip on the oil pan, followed by connecting the positive cable to the starter.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step in the installation process for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Install the auxiliary battery positive cable, ensuring to adhere to the Fastener Notice.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What additional steps are needed for 4.8L, 5.3L, or 6.0L engines for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Remove the negative cable clip from the positive cable clip, then raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step in the installation process for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Begin by installing the auxiliary negative battery cable, ensuring the engine wiring harness ground terminal is placed on top of and inboard of the auxiliary negative battery cable ground crimp.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the auxiliary battery positive cable for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Disconnect the auxiliary battery negative cable and reposition the boot.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the next step after lowering for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Install the negative cable clip to the positive cable clip.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What are the final steps to complete the process for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Close the auxiliary battery positive cable post cover, install the underhood junction block cover, and reconnect the auxiliary battery.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the final step regarding the junction block for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Insert the positive cable into the junction block and snap the junction block cover closed.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What are the final steps after installing the auxiliary negative battery cable for the 2001 Chevrolet Suburban 1500? Posted by Customer
    A:
    Finally, reinstall the engine sight shield, attach the auxiliary battery cable clips to the studs at the front of the dash, and reconnect the auxiliary negative battery cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the final step for an 8.1L engine for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Install the negative cable clip to the positive cable clip.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How should the forward lamp wiring harness ground/negative cable bolt be installed for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Install the forward lamp wiring harness ground/negative cable bolt and tighten it to 9 N.m (80 lb in), ensuring the engine wiring harness ground is installed under the negative cable ground.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after connecting the cable to the starter stud for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Secure the auxiliary cable clip bolt to the frame with a torque of 10 N.m (89 lb in), then lower the vehicle.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the next step after removing the cable from the battery for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Loosen the positive cable bolt at the underhood bussed electrical center (UBEC), noting that the bolt is integral to the battery cable and not removable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the installation procedure for a 4.8L, 5.3L, or 6.0L engine for the 2002 Chevrolet Tahoe? Posted by Customer
    A:
    Install the auxiliary negative battery cable and the engine wiring harness/auxiliary negative battery cable bolt, tightening to 16 N.m (12 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the next step after removing the safety stands and lowering for the 2000 Chevrolet Suburban 1500? Posted by Customer
    A:
    Install the positive battery cable to the generator and secure it with a nut tightened to 18 N.m (13 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after reconnecting the negative cable for the 2004 Chevrolet Silverado 1500? Posted by Customer
    A:
    Lower the vehicle and install the battery cable bracket and bolt to the power steering pump, tightening the bolt to 25 N.m (18 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the torque specification for the engine wiring harness ground/negative cable bolt for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    25 N.m (18 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after reinstalling the forward lamp wiring harness for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Install the forward lamp wiring harness ground/negative cable bolt and tighten it to 9 N.m (80 lb in).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What specific steps are required for an 8.1L engine for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    Remove the negative cable clip from the positive cable clip, raise and support the vehicle, and then remove the engine wiring harness ground/negative cable bolt before repositioning the wiring harness ground and negative cables.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you attach the positive battery cable terminal for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Attach the positive battery cable terminal to the mega fuse stud and reinstall the positive battery cable channel and clips on the plenum front panel.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the positive battery cable for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Disconnect the negative battery cable and remove the under hood junction block cover.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What are the final steps to complete the installation for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Reinstall the auxiliary positive battery cable clip to the battery tray, connect the cable to the auxiliary relay, and secure it with the nut tightened to 8 N.m (71 lb in). Finally, reposition the boot and reconnect the auxiliary battery negative cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you remove the negative battery cable for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the negative battery cable stud from the front of the right cylinder head and the negative battery cable terminal from the cylinder head.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you remove the auxiliary positive battery cable from the starter for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    Remove the auxiliary positive battery cable from the starter stud.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be removed after the auxiliary battery cable clips for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Next, remove the engine sight shield and the engine wiring harness/auxiliary negative battery cable bolt, followed by the removal of the auxiliary negative battery cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you remove the negative battery cable for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Loosen the negative battery cable bolt and remove the negative battery cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be removed from the starter for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Remove the starter lead nut and the positive cable from the starter, as well as the positive cable from the clip on the oil pan.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the positive cable clip for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Remove the positive cable clip from the clip on the oil pan and then remove the positive cable from the clip on the oil pan.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after installing the negative battery cable for the 2004 GMC Sierra 1500? Posted by Customer
    A:
    Re-set the customer's radio stations.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done if equipped with an accessory power fuse block for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Disconnect the accessory power fuse block front wiring harness electrical connector from the negative cable connector.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the installation process if the negative battery cable was replaced for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Install the battery current sensor, attach the negative battery cable to the vehicle, and secure the negative battery cable clip to the right wheelhouse liner.
    Posted by ChevyPartsGiant Specialist
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    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Negative Cable 15321221 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 15321221 Negative Cable is available in the market under the name GM Battery Cable. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 15321221 Negative Cable fits certain Chevrolet Tahoe, Silverado 1500, Silverado 2500 HD models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT models.
The original GM component designated by manufacturer part number 15321221 maintains top performance when functioning as the Cable, Battery Negative; Battery Cables; Ground Strap unit. The component 15321221 is constructed from durable material and its dimensions span 6.2 x 2.1 x 12.2 inches while weighing 1.30 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Cable, Battery Negative And Engine Ground. The part 15321221 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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