High Beam Trigger - XBB OBD2 Relay - It Works - Detailed Overview

[Stillwater35]

So - This all started with wanting to trigger my light bar with the high beam switch. I've seen many of you wanting to do this. And as many know - Highbeams are triggered by the CANBUS - not just a simple wire to tap. Thus started my somewhat expensive journey to solve this problem.

I'll just go straight to the solution I used.

• XBB OBD2 Dongle and Relay
• Relay wired straight to the battery and my ground bar.
• Both relay trigger wires go to my Garmin Power Switch control inputs (there are two).
• In the Garmin Power Switch App - I set circuit 1 to turn on with control input 1 (you can have all 6 come on at the same time for scenes)
• Mounted the KCHilites Gravity Bar (6 total lights) as per their instructions.
• Wired ground to my ground bus bar and Hot to circuit 1 on my Garmin.

And as you can see from the photos and videos it's all working like we all want it working.

A couple things:

• XBB says they have a recipe for the Bronco - It's in their app. However the signal pulses and doesn't give constant single - But the current Gen Ford Ranger recipe works like a champ (same-ish chassis and all).
• The 6 KC lights pull 10 total amps.
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