SKU: 6173412098

Jeep Liberty KJ Big 7 Battery Cable Kit (2002-2007)

Sale price$133.65 Regular price$148.50
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Description

Jeep Liberty KJ Big 7 Battery Cable Kit (2002-2007)This upgraded battery cable kit replaces old worn out battery cables for more power and better performance from your vehicle. What's the Big 7 Complete Kit? The "Big 3" or "Big 4" upgrade means improving the current capacity of three cables: 1) alternator output to battery positive, 2) battery negative to frame body, and 3) engine ground to frame body. We don't stop there though. Our "Big 7" kits also include the leads to the starter and the fuse

This upgraded battery cable kit replaces old worn out battery cables for more power and better performance from your vehicle.

What's the Big 7 Complete Kit?

The "Big 3" or "Big 4" upgrade means improving the current capacity of three cables: 1) alternator output to battery positive, 2) battery negative to frame/body, and 3) engine ground to frame/body. We don't stop there though. Our "Big 7" kits also include the leads to the starter and the fuse relay box, as well as adding an external fuse to avoid routing the increase in current capacity through the smaller fuse box wiring. It’s really one of the first mods you should do to any Jeep!

What makes these cables so special?

We're nerds for specs and finer details around here. None of that CCA (copper-clad aluminum) that's used in inferior products, or stereo installations. We only use fine-strand, SAE (Society of Automotive Engineers) approved, pure copper cable. Then using a powerful electromechanical crimping machine, we crimp each solid-copper end, and finally finish the construction by adding a environmental seal made of marine grade heatshrink meeting MIL-I-23053/4. Also included are military style corrosion resistant battery connections and a MEGA fuse and holder. To make the entire install simpler, every end will be labeled for ease of installation. Built to meet the demanding electrical needs of Full Size Jeep (SJ) platforms for reliable performance and durability.

Do I need a bigger alternator to run these cables?

No. Every vehicle can benefit from our "better than factory" cables. The years, along with environmental damage from rain/salt water/corrosion, can greatly impact your electrical system. Our customers have consistently reported that their vehicle starts faster, charges the battery better, and many times cured electrical gremlins that were brought on by compromised wiring.

I've changed my mind! I want to run a bigger alternator!

Perfect! You're probably running a power inverter, a stereo, a winch, an under hood welder, or flux capacitor. These all require more amperage than the stock alternator is capable of providing. Maybe you're not running any of these yet, but considering it, these cables will get you ready!

2GA or 4GA? Which to choose?

As far as 2GA vs 4GA, it's really going to depend on what mods you're going to do to. If you're staying stock, then 4GA is plenty, but if you're looking at modifying it down the road (winches/lights/etc) then you'd want 2GA, and we all know a Jeep is never really *done*.

You might be interested in: Jeep Grand Cherokee WK Big 7 Battery Cable Kit (2005-2010)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 6173412098

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4.5 ★★★★★
Based on 9 reviews
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Verified Purchase
Stephen D. French
Lake Worth, US
★★★★★ 5
High Quality Wire.
Size: 8 AWG 3 ft per color, Color: Red and Black
BNTECHGO provides high quality silicone insulated wire, I have used it for indoor and vehicle (motorcycle) purposes and always been well pleased; whether crimped or soldered the connections hold!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 25, 2022
T
Verified Purchase
Titegrouper
Battle Creek, US
★★★★★ 5
Quality wires
Size: 8 AWG 3 ft per color, Color: Red and Black
Flexible and wires are OFC. I am impressed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2022
C
Verified Purchase
Coulton
Cuba, US
★★★★★ 5
Great deal!
Size: 8 AWG 3 ft per color, Color: Red and Black
Used it to wire up my boat for trolling motor. Heat shrinked everything and went super smooth. Great deal!
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Reviewed in the United States on August 6, 2019
C
Verified Purchase
Chuck
Battle Creek, US
★★★★★ 5
Nice quality wire
Size: 8 AWG 3 ft per color, Color: Red and Black
Very flexible with a nice jacket - appears correctly advertised gauge and pure copper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2020
M
M.R.
Birmingham, US
★★★★★ 5
The Thick Red and Black Spaghetti of Power
Size: 20FT Black & 20FT Red
If electricity had highways, this would be an interstate. The cable feels substantial, the copper conductors are flexible enough to work with, and the included lugs and heat shrink tubing make installation easier. Great for batteries, inverters, solar systems, RV electrical upgrades, marine projects, and welding setups. Voltage drop stays low thanks to the heavy gauge construction, and the insulation feels durable enough for demanding environments. Overall, a solid wiring kit that inspires confidence when moving serious current.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026

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