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Lightbar options without relay

5teve

Grenadier Owner
Local time
1:30 PM
Joined
Mar 12, 2026
Messages
41
Location
Perth, Australia
Hi guys

I have been looking at the relays / fuses etc and dont see any for the headlights - do I assume they are canbus driven? if not where are the relays / fuses for them and the aux lights

I am trying to work out how the Queensland outfit have managed to wire up the external roof socket to be on with high beam (when the aux light switch is on and the EXT switch is on) and apparently they dont use a relay - I assume they have wired into the aux lights and ran a cable back to the ext relay so its no longer ignition contolled but light controlled?

Any idea?

Steve
 
Which Queensland outfit?

My auto-electrician wired a relay into the spot light circuit. So the 20 inch Viper lightbar, mounted on the Roo bar hoop, only comes only when the EXT1 switch is on AND the spot light or highbeam circuit is active. Sorry, I did not see exactly what he did.

The power to run the 20 inch lightbar comes from the 10 amp circuit under the bonnet (EXT1). You cannot power the lightbar from the INEOS spot light circuits, as it generates errors.

The IG or QM is wired, in AU, so the spot lights can only come on when the highbeams are active. So I can have:
  • highbeam only;
  • highbeam with spots; or
  • highbeam, spots and 20 inch Viper lightbar. I can turn off all three at once by simply turning off highbeam to lowbeam.
My INEOS 40 inch lightbar, mounted on the roofrack, is powered from the single 25 amp rooftop power outlet, but it is turned off or off by a switch - regardless of whether the highbeams are on. The INEOS lightbar has printed on it For offroad use only.

My 20 inch Viper lightbar setup in detail:

 
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