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JeepCables Big 7 Battery Cable Kit; 4GA (87-90 2.5L Jeep Wrangler YJ)Find parts that fit my vehicle

Item J238756
$0.00
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$107.50 kit

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Big 7 Battery Cable Kit 4GA
      • Includes Full “Big 7” Upgrade: Alternator‑to‑Battery, Battery‑to‑Body, Engine‑to‑Body, Starter, Fuse Relay Box, External ANL Fuse
      • Four‑Gauge Fine‑Strand SAE Copper Wiring For Excellent Conductivity
      • Marine‑Grade Heat‑Shrink Sealed Terminals To Resist Corrosion
      • Pre‑Crimped Copper Lugs For Easy Installation
      • Improves Cranking Voltage, Charge Efficiency, And Accessory Power
      • Supports Future Accessories Like High‑Output Alternators, Winches, Lightbars, Stereo Upgrades
      • One-Hour Installation
      • Limited Warranty
      • Fits 1987-1990 2.5L Jeep Wrangler YJ Models

      Description

      Maximum Electrical Flow. The JeepCables Big 7 Battery Cable Kit; 4GA expands beyond the traditional “Big 3” upgrade by replacing seven critical battery and grounding cables. It includes new leads for the alternator to battery, battery to chassis, engine to frame, starter, and fuse/relay block, with an inline fused power feed for added circuit protection. This thorough upgrade improves power delivery, reduces voltage drop, and prepares your electrical system for accessory demands and consistent engine performance.

      Better Conductivity and Accessory Performance. Constructed using heavy-duty 4 AWG copper wire, the JeepCables Big 7 Battery Cable Kit; 4GA lowers electrical resistance compared to factory wiring. This boost in conductivity helps improve charging efficiency, cranking power, and system reliability—especially important when running high-draw accessories such as winches, lights, or sound systems. The durable insulation protects against heat, abrasion, and environmental exposure under the hood.

      Corrosion-Resistant Connectors and Clean Layout. Each cable features professionally crimped ring terminals with plated connectors to resist oxidation and ensure a secure electrical path. The JeepCables Big 7 Battery Cable Kit; 4GA includes mounting hardware and cable guides to route everything neatly through the engine bay. This organized layout prevents chafing, reduces the chance of short circuits, and maintains a clean, professional underhood appearance that performs well in all environments.

      Improved Cranking Efficiency and Accessory Readiness. Over time, factory battery cables degrade and lose efficiency, causing slow starts and poor charging. The JeepCables Big 7 Battery Cable Kit; 4GA helps restore strong cold-crank performance, stabilizes voltage for sensitive electronics, and improves alternator output under load. This makes your Jeep better prepared for cold weather, trail demands, and accessory-heavy setups without risking voltage drop or intermittent power loss.

      Installation. Putting this JeepCables Big 7 Battery Cable Kit; 4GA on your 2.5L Jeep Wrangler YJ takes 1 hour to install.

      Warranty. There is a limited warranty on this product.

      Application. The JeepCables Big 7 Battery Cable Kit; 4GA fits 2.5L Jeep Wrangler YJ models.

      JeepCables YJ-25-4G-87

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Alternator Output To Battery Positive Cable
      • (1) Battery Negative To Frame/Body Ground Cable
      • (1) Engine Block To Frame/Body Ground Cable
      • (1) Starter Cable
      • (1) Fuse Relay Box Lead
      • (1) External ANL Fuse Assembly
      4.8

      Customer Reviews (4)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Wrangler

      • YJ Wrangler 2 Door - 87, 88, 89, 90