H4 Relay Harness (Hi/Lo Controller)
$39.99 Inc. GST
Available Options
Categories:
Drivers - Controllers - Bluetooth, Projectors / Shrouds
A H4 Relay Harness is used for the installation of retrofitted projector headlights.
This Harness converts the factory H4 plug from the vehicle to allow for low beam & high beam control of the projector when installing projectors into your headlights.
Included: 1x H4 Relay Harness Kit
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