#Viofo a139 pro duo how to#
#Viofo a139 pro duo manual#

Yellow (ACC) accessory power supply - Connect to a fuse that turns on / off with the engine. The crimp can be made successfully using either a standard crimp tool, or using standard needle nose pliers. Once the fuse slot and type of fuse required for the hardwire kit is determined, a suitable add-A-Fuse kit can be crimped to the hardwire kit ACC and BATT connections. Use an Add-A-Fuse kit for a clean installation. Step 4: Connect an Add-A-Fuse kit to the hardwire kit Locate a screw with direct connection to the vehicle body and check for a good continuity reading between the screw and the vehicle body, this should be < 0.1 ohm. To identify a suitable ground point, use circuit tester in continuity mode. Look for a fuse that is live when the ignition switch is in the ACC position but off when the ignition switch is in the off position. To identify a fuse for the ACC connection, turn the ignition switch to the ACC (Accessory) position. Place the tip of the tester on the exposed metal part of the fuse. You can identify the fuse by applying a fuse/circuit/voltage test device when the engine is off. Look for a fuse that is live (allows electricity to flow) even when the ignition switch is in the off position. To identify a fuse for the battery connection, turn the ignition switch to the lock position. Step 2: Identify which fuse is ACC & Battery

#Viofo a139 pro duo manual#

Check the Car Manual to find the fuse box location and confirm the fuse type.

NOTE: Make sure the engine is off and accessory power is off before proceeding.įuse boxes and fuse types vary not only between car models, but also on year and variant.

#Viofo a139 pro duo how to#

How to Hardwire VIOFO Dash Cam with HK3 Hardwire Kits Compatibility of dashcam models:Ī119V3 / A129 Duo / A129 Duo IR / A129 Pro Duo / A129 Plus Duo

The Low Voltage Cut-off function will protect the car battery from excessive discharge. The ACC detection function will switch the dash camera into parking mode automatically when the vehicle engine is shut off and will resume normal recording when the vehicle engine is turned back on. The HK3 Hardwire Kit provides permanent power to the dashcam for the parking recording function.