Big 7 Battery 3VZE Cable Kit (1988-95 4Runner/Pickup)
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Product came as advertised. Havent yet put it on. Very well packaged.
Those were perfect for my car thank you so much for your help on the process
does what it is supposed to do
I’m really pleased to be able to buy new parts for my truck instead of used
Perfect fit! Great product!
Looks as good as OEM.
Great cup holder! Fit, form and function are perfect.
Killer product, these exceeded all expectations. I’m super happy with the results
I’m very happy with the results. Installation is straightforward. Awesome communication too
Super nice quality. Looks just like the original. Makes the interior look complete.
The badges are DEFINITELY high quality. They come in a plastic wrapper inside the cardboard envelope so they’re not going to get scratched otw to you. I thought these were a great value considering people are selling stickers to go over your old badges for $30 and you can definitely tell they’re 2D. I would buy again and a third/fourth time.
Toyota H pattern shifter sticker was as described and shipped fast. Received in only a few days, A+ .
A++ . Good quality parts, Excellent condition, Packed nice and neatly. Arrived as described. Good Value and appearance. Fast, easy to work with, Good quality product and very fast shipping. Would do business again.
Big 7 Battery 3VZE Cable Kit
For 1988–1995 Toyota 4Runner & 1988–1995 Toyota Pickup
Overview
Restore your Toyota's electrical system with this Big 7 Battery Cable Upgrade Kit, engineered specifically for 1988–1995 Toyota 4Runner and 1988–1995 Toyota Pickup models equipped with the 3.0 V6 3VZE engine. Designed as a direct replacement for aging factory battery cables, this kit improves electrical efficiency, charging performance, starting reliability, and current delivery throughout the vehicle.
Factory battery cables are often decades old and can suffer from internal corrosion, increased electrical resistance, and deteriorated insulation. These issues can lead to slow cranking, voltage drop, dim lighting, poor charging performance, and unreliable operation. This complete upgrade replaces the vehicle's primary power and ground circuits with premium, high-capacity cables built for long-term reliability.
Whether you're restoring a stock truck, building an overland rig, or adding high-demand electrical accessories, this Big 7 kit provides a stronger electrical foundation while maintaining a clean, professional installation.
What Is the Big 7 Upgrade?
The Big 7 Upgrade expands upon the traditional "Big 3" wiring upgrade by replacing all of the vehicle's primary charging, starting, and grounding circuits instead of only three major cables.
This kit upgrades the following connections:
- Alternator to battery positive
- Battery negative to chassis ground
- Engine block to chassis ground
- Starter power cable
- Fuse box power feed
- Relay box power feed
- Additional fused power connection for increased current capacity
An external ANL fuse and fuse holder are included to help protect the upgraded electrical system while safely supporting higher current loads.
Improve Electrical Performance
Replacing worn factory wiring reduces resistance throughout the electrical system and allows current to flow more efficiently.
Benefits
- Faster, more consistent engine starting
- Improved alternator charging performance
- Reduced voltage drop
- Increased electrical system reliability
- Better support for aftermarket lighting, winches, compressors, audio systems, and other accessories
- Helps maximize battery and alternator performance
- Ideal for both stock and modified vehicles
Premium Materials & Construction
Every cable is manufactured using high-quality components selected for maximum conductivity, durability, and long service life.
Construction Features
- Pure copper fine-strand SAE-approved cable
- No copper-clad aluminum (CCA)
- Solid copper crimp terminals
- Precision electromechanical crimping process
- Marine-grade adhesive-lined heat shrink
- Corrosion-resistant military-style battery terminals
- High-temperature, abrasion-resistant insulation
- Pre-labeled cables for simplified installation
These premium materials provide excellent conductivity while helping protect against moisture, corrosion, vibration, and underhood heat.
Choose the Right Cable Size
This kit is available in two cable sizes to match your vehicle's electrical demands.
2 Gauge (2 AWG)
Recommended for:
- Stock vehicles
- Mildly modified trucks
- Daily drivers
- Standard charging systems
1/0 Gauge (0 AWG)
Recommended for:
- High-output electrical systems
- Winches
- Auxiliary lighting
- High-power audio systems
- Dual battery setups
- Future electrical upgrades
Selecting the appropriate cable size ensures maximum electrical efficiency while providing room for future modifications.
Direct-Fit Installation
This kit is designed specifically for 3VZE-equipped Toyota 4Runner and Pickup models, allowing it to replace the factory battery cables without extensive modifications.
Installation Features
- Direct replacement for factory primary battery cables
- Uses vehicle-specific cable lengths
- No alternator upgrade required
- Supports future electrical upgrades
- Clearly labeled cables simplify installation
- Professional installation recommended for best results
Why Upgrade Your Factory Battery Cables?
Factory wiring was designed for the electrical demands of a stock vehicle over 30 years ago. As cables age, corrosion and increased resistance reduce electrical performance.
Upgrading to the Big 7 Kit helps:
- Restore lost electrical performance
- Improve charging efficiency
- Reduce voltage loss
- Increase system reliability
- Better support modern accessories
- Prepare your vehicle for future electrical upgrades
Ideal Applications
- OEM restorations
- Daily drivers
- Off-road builds
- Overland vehicles
- Expedition rigs
- Work trucks
- High-output audio systems
- Auxiliary lighting installations
- Winch-equipped vehicles
Vehicle Compatibility
Toyota 4Runner
- 1984–1989 Toyota 4Runner (1st Generation)
- 1990–1995 Toyota 4Runner (2nd Generation)
Toyota Pickup
- 1984–1988 Toyota Pickup (2nd Generation)
- 1989–1995 Toyota Pickup (3rd Generation)
Engine Compatibility
- 3VZE only
Fitment Notes
- Fits 1988–1995 Toyota 4Runner with 3VZE engine
- Fits 1988–1995 Toyota Pickup with 3VZE engine
- Designed as a direct replacement for factory battery cables
- Available in 2 AWG and 1/0 AWG cable sizes
- No alternator upgrade required
- Supports stock and aftermarket electrical accessories
- Verify engine application before ordering
What's Included
- Complete Big 7 Battery Cable Upgrade Kit
- ANL fuse holder
- ANL fuse
- Military-style battery terminals
- Pre-labeled installation cables