XS Power BIG3XP XP FLEX, 1/0 AWG, 250A Big 3 Upgrade Kit
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What's Inside?
- • Upgrade Kit
- • Owner's Manual
Unleash Better Current Flow
Upgrade your vehicle’s factory wiring with the XS Power BIG3XP. This 1/0 AWG Big 3 kit helps improve current flow between the alternator, battery, engine, and chassis for demanding aftermarket audio systems.
Frequently Asked Questions (FAQ)
- • Why Is My Voltage Still Dropping After the Upgrade?
The BIG3XP improves current delivery, but it cannot increase alternator output by itself; a weak alternator may still struggle under heavy loads.
- • What If the Included Cables Are Too Short?
Vehicle layouts vary, so measure each cable route before installation and allow enough length for clean routing. Users commonly mention needing different cable lengths for specific vehicles.
- • Can I Keep the Factory Ground Wires?
Yes. The new ground cables can supplement the existing wiring rather than necessarily replacing it.
- • Why Is My New Ground Not Improving Anything?
A dirty or painted connection point can prevent proper current flow, so clean the chassis and alternator grounding surfaces before fastening the terminals.
- • Where Should the Alternator Ground Go?
The kit instructions specify connecting one ground between the alternator ground stud and chassis, giving the charging system a stronger return path.
- • Does the BIG3XP Fix Headlight Flickering?
It can improve voltage consistency when factory wiring is the restriction, but persistent dimming may indicate that the alternator or overall electrical system still needs more capacity.
- • Could Cable Routing Become a Problem?
Yes. Keep upgraded wiring away from moving parts, sharp edges, and excessive heat, and secure the cables so they cannot rub against nearby components.
- • Do I Need to Think About Fusing the New Power Cable?
The alternator-to-battery connection deserves careful protection because it is a high-current connection; experienced installers specifically discuss whether and where to fuse this added charge lead.
- • Why Does My Installation Look Different From Other BIG 3 Builds?
Vehicle charging layouts vary considerably, so the exact alternator, battery, chassis, and engine connection points can differ from one installation to another.
- • What If My Stereo Still Clips at High Volume?
A Big 3 upgrade improves power delivery but does not create additional electrical generation; severe voltage collapse under bass-heavy loads can mean the alternator or battery system needs further upgrading.
Specifications:
- Length – 9 in
- Height – 10 in
- Width – 2.5 in
Kit Contents:
- 1qty - 6ft 0AWG XP FLEX BL Cable
- 2qty - 4ft 0AWG XP FLEX BK Ground Cable
- 8qty - XS Power Brand Heat Shrink
- 8qty - 0AWG Crimp Terminals
- 10qty - Wire Clamps
- 10qty - Zip Ties
- 10qty - Screws
- UPC: 692209051039
- Weight: 4
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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Used it in my Silverado. Made the power transmission stable and even noticed an improvement on the sound quality my setup. Great quality cables
