Vehicle & Technical > Discovery

Another light bar question.

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Disco Matt:
On mine, the full beam feed wire was blue/white. Never sure how standard these things are but that's a good starting point.

Yes you will want a matt black patch on the bonnet. I've had to angle mine up a long way to reduce the light spill on the bonnet to a manageable level. If they were pointed any further up they'd be a hazard to aircraft!

"Barn doors" as found on stage lighting might be an option - these are black metal hoods fitted to spotlights to stop the light creating unwanted shadows. They might well look somewhat daft however!

karlo:

Click To Enlarge.

we'll get to the fuse in a moment. Wire the main beam feed to one of the outer pins of the switch, the other outer goes to the side of the fuse you fitted furthest from the battery so the fuse is between it and the battery. You might want to add a VERY low rated fuse in here, 1A would be generous, to protect the switching circuit. Wire the center to pin 86 of the relay and wire pin 85 to ground.
Wire a fuse from the BATTERY to pin 87 of the relay. Then connect your spots to pin 30. Use an on-off-on switch and you will have:

On
Off
On with Main Beam.

The Fuse
Find out the wattage of your spots and add them up. so In my case I have 2*100W so thats 200W, simple eh?
Now divide that by the voltage
so 200/12 = 16.6.

Nearest fuse is 15A, that will blow. Also you need to allow a reasonable margin for surges and in a -V switched system, the relay too. 20A would be resonable here. With larger spots make sure your relay is up to it too!

Disco_Stu:
Thanks for the replies so far, I think I've said before that I'm not at my best when it comes to electrics, no experience  :oops: When I worked in a garage if it was more complex than fitting a stereo we called in the mobile auto electrician and left him to it!

Stu.

gamekeeperjames:
where can i get these bonnet patches from or are they things people make themselves.

cheers james

BILKO:
For bonnet black vinyl patches try Lee at customvinly.com

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