I have mounted the lightbar using its own bracket. The two screws holding the number plate were useless - just screws into plastic.
I removed the screws then replaced them with a pair of stainless bolts, washers, mud washers and nylocs. To get to the back, I removed the recovery hook covers so I could get my arm in behind the bumper.
Most of the wiring is done, I just need to get to the high beam trigger, I suppose behind the passenger side light. Remove the airbox?
I may get a mate to make me up a new bracket that moves the lightbar further back and maybe a little higher.
Cheers
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UPDATE
All wired in and working... The two white and green wires in the headlight cluster plug is confusing!