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VIOFO HK4 Hardwire Kit with 8pcs Full Set Circuit Fuse Tap, Type-C Port, for A329 series/A229 series/A119Mini2/A139Pro/WM1/T130 Dash Cam

VIOFO HK4 Hardwire Kit with 8pcs Full Set Circuit Fuse Tap, Type-C Port, for A329 series/A229 series/A119Mini2/A139Pro/WM1/T130 Dash Cam

Q: Camera stops when engine is off

The yellow ACC wire senses ignition status to switch between driving and parking mode. If the mode doesn’t change, ensure the ACC wire is connected to an ignition-triggered circuit and parking mode is enabled on the menu.

Q: Camera stops unexpectedly during parking mode

This usually occurs if the battery reaches low-voltage cutoff or the parking timer ends.

Q: Camera keeps recording after turning off the engine

Confirm the ACC wire is correctly connected to an accessory circuit (not constant power).

Q: How to install the dash cam hardwire kit?

Connect the red wire to a constant power source using a fuse tap. Connect the yellow wire to a circuit that only has power when the ignition is on (ACC). Securely ground the black wire to an unpainted metal point.

Q: Does hardwire cable have low voltage protection function?

Yes, the hardwire kit features built-in low-voltage protection. It automatically cuts power to the dash cam when your vehicle's battery drops to 11.8V (for 12V systems) or 24.8V (for 24V systems), preventing battery drain.

Product ID: 602559415

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Details

Brand
VIOFO
Model Name
HK4
Vehicle Service Type
Car Truck Van
Connectivity Technology
USB Type-C
Special Feature
Low Voltage 24
Included Components
dash cam

⚡Low Voltage Protection

🔋24/7 Parking Surveillance

🔌8pcs Fuse Tap Set

Frequently Bought Together

VIOFO HK4 Hardwire Kit with 8pcs Full Set Circuit Fuse Tap, Type-C Port, for A329 series/A229 series/A119Mini2/A139Pro/WM1/T130 Dash Cam

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VIOFO 256GB Industrial Grade microSD Card, U3 A2 V30 High Speed Memory Card with Adapter, Support Ultra HD 4K Video Recording

Description

🔋 Power your peace of mind—24/7 dash cam protection, no compromises.

ALWAYS ON SECURITY - Enable 24-hour parking surveillance mode that automatically switches on when your car is parked.
FUTURE READY USB TYPE C - Equipped with a USB Type-C port for fast, reliable power delivery and easy connectivity.
SMART VOLTAGE SAFEGUARD - Protect your vehicle’s battery with built-in low voltage protection that prevents power drain.
UNIVERSAL COMPATIBILITY - Designed specifically for VIOFO’s top dash cams including A329, A229, A119Mini2, and more.
SEAMLESS POWER INTEGRATION - Hardwire your dash cam with ease using the complete 8-piece fuse tap set for a clean, professional install.

The VIOFO HK4 Hardwire Kit is a premium dash cam power solution featuring an 8-piece fuse tap set, low voltage protection, and automatic 24-hour parking surveillance. Compatible with multiple VIOFO dash cam models, it ensures a clean, professional installation with USB Type-C connectivity for reliable, uninterrupted power.

Specifications

Brand	VIOFO
Manufacturer	VIOFO
Model	HK4
Model Name	HK4
Package Dimensions	12.7 x 9.3 x 5.1 cm; 230 g
Item model number	HK4
Compatible Devices	VIOFO A329 series, A229 series, A119Mini2, A139Pro, WM1, T130
Special Features	Low Voltage Protection, 24 Hours Parking Surveillance, Automatically switch parking mode
Mounting Hardware	dash cam
Number of items	1
Batteries Included	No
Batteries Required	No
Type of cable or wire	USB
Connector Type	USB Type-C
Material	Metal
Mounting Type	Through-Hole Mount
Manufacturer	VIOFO
Country of Origin	China
Item Weight	230 g

Have a Question? See What Others Asked

Camera stops when engine is off

Camera stops unexpectedly during parking mode

Camera keeps recording after turning off the engine

How to install the dash cam hardwire kit?

Does hardwire cable have low voltage protection function?

Reviews

A**Y

Must have upgrade for parking monitoring

I recently upgraded my Viofo dash cam setup using the HK4 hard-wire kit, and it’s been fantastic. Installation was a breeze—even for someone with limited DIY experience—thanks to its versatile fuse tap options and clear instructions . Once installed, the unit reliably powers my dash cam and handles parking mode like a champ.One of the standout features is the adjustable low-voltage cutoff (LVC), with settings ranging from 11.8 V to 12.4 V. This gives me peace of mind knowing my vehicle’s battery won’t drain unexpectedly .Overall, it’s an excellent value—well-designed, dependable, and easy to use. Highly recommended for anyone looking to wire their Viofo dash cam directly for a cleaner install and smarter battery management.

16.08.2025

Ⓚ**Ⓗ

Good

All good

12.06.2025

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