The lights should as far as is possible be installed symmetrically in pairs of between 2 or 4 lights.
Roof rack light laws.
If you do need the roof rack then you should weigh everything you want to pack before you start loading up.
Each roof rack light is different so installation could be according to each type.
The loads and towing standards document from the department of transport and main roads is a simplified version intended for light vehicle operators and provides information about restraining many of the types of items typically carried on utilities and small trailers.
Guide for light vehicles.
No part of the ladder rack or brackets can extend beyond the bumper or bull bar nudge bar.
If the load for towing is wider than 2 9m then the police must be informed in advance of the journey.
Most manufacturers include installation guides to help put it up.
Roof rack lights installation.
Your car will have a maximum permitted roof load.
The projection of a load on a trailer or roof rack may be up to 305mm on either side of the vehicle or trailer provided that the overall width of the vehicle or trailer including projections does not exceed 2 9m.
Oh and don t forget to add the weight of the roof rack to your calculations too.
Placing additional forward facing driving lights which do not protrude upwards or outwards from your bullbar 1 is legal but something which protrudes from the top of the bullbar 2 is not legal nor are lights positioned on the roof or roof rack 3 or on a sports bar if you re driving a ute 4.
Some roof rack manufacturers may have optional light bar mounting brackets like this rola titan roof tray which makes installation as simple as spinning a few spanners.
As with any diy project always measure twice and cut once.
With lights placed on the roof of the vehicle coming as the best option in car lighting gear it is fitting to discuss how it can be installed on your roof.
However where a roof rack manufacturer has had strength tests performed on a specific type of rack a mass heavier than 50kg may be carried providing it does not exceed the rack manufacturer s recommended capacity.
Commonly minor modifications involve the installation of an accessory e g.
Brackets connecting the ladder rack to the vehicle should not protrude above the top of the bumper or bull bar nudge bar.
If you don t know what it is then look in your vehicle handbook.
Guide for heavy vehicles.
The lights may be fitted to the roof of the vehicle.
The ladder rack must be mounted either directly or on brackets on or behind the supporting bumper or bull bar nudge bar.
If the lights are not fitted as pairs they must be fitted symmetrically about the centre line of the vehicle.