Headlights

BX Tech talk
Phil Brook
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Headlights

Post by Phil Brook » Tue Dec 23, 2014 10:14 pm

My 20 something son says that the illumination on both my Bx is rubbish. I thought it was just me getting old but maybe he's right! Generally I am pretty much blinded by oncoming cars- does everyone experience this? The previous owner of my white car had replaced the bulbs with a blue/white sort of bulb which looked stunning but worked badly!.I changed them buying recommended bulbs from Halfords- not the most expensive but pretty well up there. Can anyone recommend a set of bulbs or modification that will improve matters. The reflectors are perfectly ok and anyway I do have new spares which came with the car. Maybe I should try these!
Philbrook

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Tim Leech
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1985 CITROEN BX 19GT C1TBX
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Re: Headlights

Post by Tim Leech » Tue Dec 23, 2014 10:29 pm

Fit the new lamps, they will help and brighten u the front of the car too and see the techy post on bulbs, it will prove things but you won't get the same kind of illumination as you do on a new car , especially ones with Xenon gas lamps.
1963 VW BEETLE 1200
1985 BX 19GT Mk1
1991 BX 19TZI Auto A/C
1994 Xantia 1.8i SX
1972 Morris Marina 1.8 SDL
1979 Rover SD1 V8-S
1980 Morris Marina 1.7HL
2002 Rover 75 CDTi Connossieur SE AUTO Nav
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jamescarruthers
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Re: Headlights

Post by jamescarruthers » Wed Dec 24, 2014 12:04 am

Nope, the bulbs won't make much difference as the wiring design on the BX is wank. All the current goes through the switch in the cabin, and the earth's and other connections are probably not too great either with age and corrosion.

I took the advice given in this topic http://www.bxclub.co.uk/forum/viewtopic.php?f=1&t=20078 and fitted a new loom with relays in on my old Renault Master van (also poorly thought out, no relays in the system, comparible to the BX).

I promise you it took 5 minutes to get show it worked about 10 minutes more to feed-in and secure the loom into the vehicle and the results are utterly spectacular. You get the 12V you are supposed to at the lamp, via relays straight to the battery not 11-point-something after all the voltage loss in the system.

The plug-and-play loom I got comes from Hong Kong and took about a week and a half to come.

Here's the link to the one from the seller I got mine from http://pages.ebay.com/link/?nav=item.vi ... 0567437129


Good luck mate.
1987 Volvo 480 ES
1992 Renault Master Mk. 1. Machzone Chateau camper. 2.0 LPG

Previous BX's:
A966 XRL -- BX 16 TRS
H767 BEG -- BX 14 TGE
B316 AMP -- BX 14 E

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MULLEY
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Re: Headlights

Post by MULLEY » Thu Dec 25, 2014 12:28 am

I got better results by using osram nightbreakers plus new headlights which didn't have the internal silver surfaces fading. I've yet to try the loom which james mentions, but it does sound good :)
2002 C5 2.0 HDI Estate - Remapped - It goes better
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mat_fenwick
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Re: Headlights

Post by mat_fenwick » Thu Dec 25, 2014 1:34 am

If the existing wiring and switchgear is still in good condition (although this is now unlikely!), then adding a relay won't actually help. I remember my Dad being impressed with the headlights in his first BX, which was only a few years old at the time.

Or, to put it another way, the 'best' solution will depend on what the real cause is. Worth putting a multimeter (set to voltage) between the battery +ve (or alternator output) and the +ve at the bulb. That will show exactly how much is being lost across the wiring. Repeat for the -ve side.
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Tinkley
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Re: Headlights

Post by Tinkley » Thu Dec 25, 2014 6:26 am

Phil Brook wrote:My 20 something son says that the illumination on both my Bx is rubbish. I thought it was just me getting old but maybe he's right! Generally I am pretty much blinded by oncoming cars- does everyone experience this?
The BX is not bad, but the silvering does lose its reflectivity a bit over time. Only when you put a new lamp next to an old one can you easily see the difference. If not different don't change them!.

You'll find a lot of new cars using more powerful lights and if not set correctly (or on full beam) they are a bit blinding. It's not just you, or getting older. IMHO some (esp 100w output) are simply too powerful and likely ironically to cause accidents for oncoming vehicles by temporarily blinding the driver. The 55/60s' are quite adequate for reasonable night time driving speeds as far as I am concerned. I also hate the high extra brake and rear fog lights, because on a m/cycle in the rain at night they become pretty blinding too and make it hard to see drain covers and other hazards on the road surface. The older generation of vehicles were better yet still adequate. Mind you I'm still not that convinced by daytime running lights on bikes - much harder to judge speed in good daylight in my opinion.

Now that councils are turning off street lights to save money, I expect even more powerful vehicle lighting. 250w headlights? or maybe those super powerful LEDs' that aircraft use, maybe Night Suns... :wink:

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jamescarruthers
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Re: Headlights

Post by jamescarruthers » Thu Dec 25, 2014 10:20 am

Yes, the guys talking about the reflector silver are obviously correct too mate. Check these too! New headlights weren't hugely expensive last time I checked.
1987 Volvo 480 ES
1992 Renault Master Mk. 1. Machzone Chateau camper. 2.0 LPG

Previous BX's:
A966 XRL -- BX 16 TRS
H767 BEG -- BX 14 TGE
B316 AMP -- BX 14 E

citronut
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Re: Headlights

Post by citronut » Thu Dec 25, 2014 11:49 am

i read an article a few years back saying the manufactures could never get as good a light output from rectangular head lights as they could from round,

something to do with the beam diffusion?????

regards malcolm
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Phil Brook
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Re: Headlights

Post by Phil Brook » Fri Dec 26, 2014 12:43 pm

Many thanks for those replies. I will try the new reflectors for starters and see if there's a significant difference. The current ones look ok but I expect they will probably have lost some reflection properties.
Philbrook

Kaapelimies
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Re: Headlights

Post by Kaapelimies » Sat Dec 27, 2014 12:53 am

Some (cheap) aftermarket headlamps are rubbish at least here in LHD-land, so I would stick in original Cibie/Valeo if available.
BX 4x4 estate, several BX Van's and some more normal estates in Finland.