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GM 88986777 Wire Asm,Auxiliary Battery (Iso Relay To Junction Block)

2003-2006 GM

Customer Questions & Expert Answers (2)
88986777 GM Wire Asm,Auxiliary Battery (Iso Relay To Junction Block)
  • Part Description
    CABLE, Battery(Positive)
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number88986777
    Part DescriptionCABLE, Battery(Positive)
    Other NamesPositive Cable
    Item Dimensions11.6 x 9.7 x 4.5 inches
    Item Weight2.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU88986777
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2003-2006 Chevrolet Express6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L1 TON CARGO EXPRESS, 1/2 TON CARGO EXPRESS, 3/4 TON CARGO EXPRESS
    2003-2006 GMC Savana6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L1 TON CARGO SAVANA, 1/2 TON CARGO SAVANA, 3/4 TON CARGO SAVANA
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 88986777 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    Why is it important to periodically inspect Battery Cables in the 2005 Chevrolet Express? Posted by Verified Customer
    A:
    It is important to periodically inspect battery cables in a vehicle to check for damage, cracked or burned insulation, and corrosion. Poor battery cable connections can lead to starting problems and decreased engine performance. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Dec 06, 2025

Genuine GM Part 88986777, the Right Choice

To ensure reliability, purchase GM part # 88986777 Wire Asm,Auxiliary Battery (Iso Relay To Junction Block). It is sometimes referred to as GM Battery Cable. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Express models. It fits GMC Savana.

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