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Make sure this part fits

GM 15321221
Negative Cable

1999-2007 GM

Customer Questions & Expert Answers (19)
GM 15321221 Negative Cable
GM 15321221 Negative Cable
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
  • 2003 Chevy Suburban 2500 Negative Cable Diagram for 15321221
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 15321221

  • 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 should be ensured during installation for the 2002 Cadillac Escalade? Posted by Customer
    A:
    Ensure the auxiliary negative battery cable terminal is positioned behind the engine wiring harness ground terminal.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    Q:
    What is the next step after raising and supporting the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Remove the engine wiring harness.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    Q:
    What should you do after reconnecting the battery for the 2000 Chevrolet Suburban 1500? Posted by Customer
    A:
    Finally, reset the radio stations and the clock.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    Q:
    How do you remove the positive battery cable from the channel for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Remove the positive battery cable channel bolt, slide the channel pin out of the oil pan tab, and take out the positive battery cable from the channel.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    Q:
    What is the installation process if the negative battery cable was replaced for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the battery current sensor if equipped, then install the negative battery cable to the vehicle, ensuring the engine harness terminal is positioned behind the negative battery terminal.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    Q:
    What should be done if it is equipped with an accessory power fuse block for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Disconnect the accessory power fuse block front wiring harness electrical connector from the negative cable connector.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    Q:
    What is the first step in the installation process for the 2002 Chevrolet Tahoe? Posted by Customer
    A:
    Begin by installing the auxiliary battery positive cable and clipping the mega fuse back to the auxiliary battery tray, ensuring to follow the Fastener Notice in Service Precautions.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    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
    See vehicle specific detailed answers for this Battery Cable
    Q:
    How do you install the negative battery cable for the 2005 GMC Yukon? Posted by Customer
    A:
    Start by installing the negative battery cable and positioning the negative cable and forward lamp wiring harness ring terminals to the frame, ensuring the anti-rotation tab on the forward lamp wiring harness is inserted into the frame hole.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    Q:
    What is the final step after installing the cable for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Connect the auxiliary battery negative cable.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Battery Cable
    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.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.