Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Big7Kits Battery Cable Kit; 4GA (Late 99-06 4.0L Jeep Wrangler TJ)
Find parts that fit my vehicle Item J238763
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Upgraded Battery Cable Kit Replacing Old Worn Out Factory Battery Cables For Improved Current Flow And Better Electrical System Performance
- Increases Current Capacity Of Seven Cables Including Alternator Output, Battery Negative To Frame/Body, Engine Ground To Frame/Body, Starter Leads, Fuse Relay Box Leads
- Includes External MEGA Fuse And Holder To Protect The Electrical System, Avoiding Routing Increased Current Through Smaller Fuse Box Wiring
- Uses Fine-Strand, SAE Approved, Pure Copper Cable; No Copper-Clad Aluminum Used
- Each Cable End Crimped With Electromechanical Crimping Machine For Secure Connections
- Environmental Seal Made Of Marine Grade Heat Shrink Meeting MIL-I-23053/4 Standards
- Includes Military Style Corrosion Resistant Battery Connections
- Every Cable End Clearly Labeled For Ease Of Installation
- Compatible With Both Stock And Upgraded Alternators
- Offers Wire Gauges From 4GA Up To 2/0GA To Accommodate Various Power Requirements
- Designed For Enhanced Power Transfer And Electrical System Reliability
- Fits Late 99-06 4.0L Jeep Wrangler TJ
Description
Enhanced Electrical Performance. The Big7Kits Battery Cable Kit for 1997–2006 Jeep Wrangler TJ and LJ models replaces deteriorated factory cables with premium quality fine-strand, SAE-approved pure copper cables designed to deliver higher current capacity and improve power flow. This kit upgrades seven critical wiring paths to enhance battery charging and engine starting for a more reliable electrical system.
Construction and Appearance. Crafted without any copper-clad aluminum, each cable end is securely crimped using an electromechanical crimping machine and sealed with marine grade heat shrink that meets MIL-I-23053/4 standards. The kit includes corrosion-resistant military style battery connections and an external MEGA fuse with holder to protect the electrical system.
Installation. This complete kit is designed for straightforward installation with every cable end clearly labeled to simplify identification. No special modifications are generally needed, making it suitable for installation with basic hand tools.
Application. Intended specifically for the Late 99-06 4.0L Jeep Wrangler TJ, this battery cable kit addresses the unique wiring and current demands of this vehicle’s electrical system.
Big7Kits JTJL-40-4G
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (7) 4GA Battery Cables
4.8
Customer Reviews (15)
Questions & Answers
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Will It Fit My Wrangler
- TJ Rubicon 2 Door - 03, 04, 05, 06
- TJ Rubicon Unlimited 2 Door - 05, 06
- TJ Wrangler 2 Door - 99, 00, 01, 02, 03, 04, 05, 06
- TJ Wrangler Unlimited 2 Door - 04, 05, 06
