Wrangler TJ Big 7 Kit (1997-2006)

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JeepCables
TJ-2G-2.5L
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...
$107.50
Engine :
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$148.50

Shipping

USPS Priority Mail or UPS Standard Shipping available

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Returns

Learn More.

Returns Policy

You may return most new, unused and not installed items within 30 days of delivery for a full refund of the product. Just ship the item back with your name and order number in the package, once we received the return we'll process your refund.

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

Lead Times

Build time is 7-8 days from order

Our usually build time is around 7-days if you haven't received a shipping notice in that time please reach out for order status.

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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 an ANL fuse and holder. To make the entire install simpler, every end will be labeled for ease of installation.

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*. 


SHIPPING

All items will be shipped within 7-8 days unless otherwise specified on our homepage. We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Domestic shipping is done via USPS and UPS, international can be through UPS, or US Postal International.

International order take substantially longer to arrive at their destination, we cannot control how long it takes to ship. Also be aware some international order will be charge duties and fees upon arrival. We cannot control these fees.

RETURN POLICY

You may return most new, unopened items within 30 days of delivery for a full refund of the item. You are responsible for any shipping costs not a result of an error on our part. We'll pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

Customer Reviews
4.9 Based on 111 Reviews
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Filter Reviews:
BW
09/16/2022
Ben W.
United States United States

Love it. Solved a crazy problem.

This is hands down one of the best accessory kits I’ve ever bought. Context: I own an 03 Rubicon that I’ve been wrenching on since 2013. I was having some crazy transmission issues, where the transmission would get locked in 2nd gear on the freeway. After much research, I found that the issue could be caused by low voltage in the power line to the sensor. Why? The stock cables aren’t sealed at the ends, and corrosion/oxidation creep up through the ends of the cable over time. The situation will only reveal itself if you live in a damp/humid/Oceanside climate. So, with all that said, I was looking for a quality upgrade. This kit had great reviews, I liked the design, and the 150A bus bar. Took 15 minutes to install. Looks great. Voltage issue gone. Jeep purrs now. It’s amazing how the little things are often overlooked. These guys cover all ends. The cables are perfect in length. It’s impossible to screw it up, as long as you replace one cable at a time. (Also: note to TJ owners - yes, there is an extra cable for you in this kits. It’s only used for the YJs, and it’s a nice bonus spare if you get in a jam.) I’ve had it on for about a month now. Very happy with my purchase. Great job, better than advertised.

JeepCables.Com Wrangler TJ Big 7 Kit (1997-2006) Review
JG
04/03/2022
Jonathan G.
United States United States

Best TJ Wire Kit

Had several issues with a ground getting loose somewhere on the jeep, after repeated crimping of the stock wires with new terminals I finally caved and spent the money on this set of wires. It was worth every single penny, the problem hasn't returned since. Thanks JEEPCABLES!

JeepCables.Com Wrangler TJ Big 7 Kit (1997-2006) Review
SF
01/11/2023
Samuel F.
United States

Quality and craftsmanship is over the top

I have to say as soon as I opened the box I was impressed... The quality and craftsmanship is over the top... The installation process is unbelievably the easiest ever... I would recommend these products to anyone in need... Oh boy the way the QUALITY and CRAFTSMANSHIP come from AMERICA with PRIDE... THANK YOU...

KQ
11/14/2022
Ken Q.
United States United States

TJ Big 7 Complete Kit

The wires were amazing in the kit. There was a noticeable difference after installation, especially since I still had the original wires on the Jeep, and they were giving me starting problems constantly. There wasn't much to the instructions, but they weren't really necessary since you were just replacing an old wire for a new wire.

JC
11/13/2022
James C.
United States United States

**** Yea

Fixed my wiring issues, y’all are amazing.

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