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How do I wire my lightbar?

5.3K views 33 replies 6 participants last post by  Robbo999  
#1 ·
Hi guys,

Just received my lightbar yesterday and before going ahead and wiring it in I am wondering am I able to wire it into full beam as is or do I need to get some sort of a connector into them?

Thanks
 
#2 ·
You can wire it to be switched on by anything you want, literally anything.

Provided you use a relay, or some other form of switching circuit.

Did you get a wiring kit with it, switch/wire/relay maybe?

(oh, and I moved your post to the appropriate category, it'll get seen here)
 
#3 ·
Ah cheers for that wasnt too sure if was the right place to post it or not?

Yea came with a wiring kit, I had older truck with one and just ran it off the switch button provided in the kit and ended up being a pain in the **** switching it on and off all the time so want to wire this straight into the actual lights but wasnt sure if there needed to be a specific plug or anything for it to go into

Thanks
 
#4 ·
You don't want to wire it to the existing lights unless you want to be illegal on the road at night.
A separate switch that flips a relay is the way to go.
 
#5 ·
Oh yeah, the law, as the Free Man says, one thing to consider when wiring to come on with full beam.

I'm not sure of the exact law, but having a switch to disable it whilst on road...
 
#6 ·
SCHEDULE 5
PART I
Requirements relating to obligatory main-beam headlamps and to optional main-beam headlamps to the extent specified in part ii
1. Number–

(a) Any vehicle not covered by sub-paragraph (b), (c) or (d):

Two
(b) A solo motor bicycle and motor bicycle combination:

One
(c) A motor vehicle with three wheels, other than a motor bicycle combination, first used before 1st January 1972:

One
(d) A motor vehicle with three wheels, other than a motor bicycle combination, first used on or after 1st January 1972 and which has an unladen weight of not more than 400 kg and an overall width of not more than 1300 mm:

One
2. Position–

(a) Longitudinal:

No requirement
(b) Lateral–

(i)Where two main-beam headlamps are required to be fitted–
(A)Maximum distance from the side of the vehicle: The outer edges of the illuminated areas must in no case be closer to the side of the vehicle than the outer edges of the illuminated areas of the obligatory dipped-beam headlamps.
(B)Maximum separation distance between a pair of main-beam headlamps: No requirement
(ii)Where one main-beam headlamp is required to be fitted:
(i)On the centre-line of the motor vehicle (disregarding any sidecar forming part of a motor bicycle combination), or
(ii)At any distance from the side of the vehicle (disregarding any sidecar forming part of a motor bicycle combination) provided that a duplicate lamp is fitted on the other side so that together they form a matched pair. In such a case, both lamps shall be treated as obligatory lamps.
(c) Vertical:

No requirement
3. Angles of visibility:

No requirement
4. Alignment:

To the front
5. Markings–

(a) Any vehicle not covered by sub-paragaph (b), (c) or (d):

An approval mark or a British Standard mark
(b) A motor vehicle first used before 1st April 1986:

No requirement
(c) A three-wheeled motor vehicle, not being a motor bicycle combination, first used on or after 1st April 1986 and having a maximum speed not exceeding 50 mph:

No requirement
(d) A solo motor bicycle and a motor bicycle combination:

No requirement
6. Size of illuminated area:

No requirement
7. Colour:

White or yellow
8. Wattage–

(a) A motor vehicle, other than a solo motor bicycle or motor bicycle combination, first used on or after 1st April 1986:

No requirement
(b) A motor vehicle, other than a solo motor bicycle or a motor bicycle combination, first used before 1st April 1986:

30 watts minimum
(c) A solo motor bicycle and a motor bicycle combination–

(i)having an engine not exceeding 250 cc: 15 watts minimum
(ii)having an engine exceeding 250 cc: 30 watts minimum
9. Intensity:

No requirement
10. Electrical connections–

(a) Every main-beam headlamp shall be so constructed that the light emitted therefrom–

(i)can be deflected at the will of the driver to become a dipped beam, or
(ii)can be extinguished by the operation of a device which at the same time either–
(A)causes the lamp to emit a dipped beam, or
(B)causes another lamp to emit a dipped beam.
(b) Where a matched pair of main-beam headlamps is fitted they shall be capable of being switched on and off simultaneously and not otherwise.

11. Tell-tale–

(a) Any vehicle not covered by sub-paragraph (b):

A circuit-closed tell-tale shall be fitted
(b) A motor vehicle first used before 1st April 1986:

No requirement
12. Other requirements–

(a) Every main-beam headlamp shall be so constructed that the direction of the beam of light emitted therefrom can be adjusted whilst the vehicle is stationary.

(b) Except in the case of a bus first used before 1st October 1969, where two main-beam headlamps are required to be fitted they shall form a matched pair.

13. Definitions–

In this Schedule–
“approval mark” means–
(a)a marking designated as an approval mark by regulation 5 of the Designation of Approval Marks Regulations and shown at item 12 or 13 or 17 of Schedule 4 to those Regulations; or
(b)a marking designated as an approval mark by regulation 4 of the Designation of Approval Marks Regulations and shown at item 1A or 1B or 1F or 5A or 5B or 5F or 8C or 8D or 8E or 8F or 8M or 8N or 20C or 20D or 20E or 20F or 20M or 20N or 31A or 31D of Schedule 2 to those Regulations; and
“British Standard mark” means the specification for sealed beam headlamps published by the British Standards Institution under the reference BS AU 40: Part 4a: 1966 as amended by Amendment AMD 2188 published in December 1976, namely “B.S. AU40”.
 
#9 ·
Indeed, I never even checked where you were, when pulling up UK law!

Absolutely useless to you, ha!!

I'll leave it up, for anyone searching the forum for UK related queries on a similar note.

My apologies, you must have thought I was mad.
 
#14 ·
Ha yea it’s called a WOF tho not a dog bark

So I’ve got the light bar fitted for now using the supplied switch but already is doing my nut in having to turn it off and on each time so I was looking at trying to wire into the headlight full beam but for the life of me I can not get the wires unplugged from the back of the headlight!!
I’ve found what I think would be a good way of linking it all together but could really do with any ideas on how to get the plug unclipped?

https://www.trademe.co.nz/motors/ca...r-accessories/listing-2041165731.htm?rsqid=56755f55bcc246c391c2690548efe588-002

I’ve attached the link of the piggyback adapter that I think should work and if anyone has one are they any good?

Thanks
 
#16 · (Edited)
As per Landmannnn advice. Remove bulb/connector in one. Then work at releasing the baked-together terminals.

Use WD or some other penetrating oil very sparingly to aid gentle prying with the correct size flat tip screwdriver. DO NOT make a mess with any penetrating oil spray you may use; get this anywhere near the lamp itself or reflector and you're in trouble!

It'll fly off.

EDIT: I should also say, be absolutely sure you have fully opened the locking side before prying the connector free. They can be weird to release.
EDIT 2: Looks like the headlamps on D23s are full LED? If so, very little heat. Which means you're probably not fully releasing the locking tab.
 
#18 · (Edited)
I took mine from a piggy back fuse holder in the upside down engine bay fuse box!
Didnt touch the light unit inself !
D40
 
#21 ·
Please read my entire post. I edited it on two separate occasions, correcting/updating myself, the latest being almost six hours ago.

As I say, are you certain you are releasing the clip adequately? I am guessing you have a six pin connector, as opposed to any spade connector?
 
#24 ·
Precisely. Trust me, those clips are a nightmare. Give it another go, and pay particular attention to making sure the retaining clip is fully disengaged.

It should pull free once you do this.
 
#30 ·
The body of the headlamp is completely obscuring the view of the connector.

Not an easy spot to get a photo.

There is a locking tab, which locks the connector home, it is this which you need to release.
 
#32 ·
Yeah, it's going to be on the side of the connector itself, and probably pretty flush.

In THIS picture, you can see the locking clip on the side of the black connector. Yours should be similar.