Triumph 2500 Headlights

[Waynebaby]

Paul,

 

If you check back on the electrical forum to a thread started by Haggis on 18th July 2015 you should find a link to a a useful article on wiring relays into a twin headlamp system.

 

Wayne

[Guest]

Paul.

 

Try this, hopefully it will transfer to the Forum page:

 

http://www.rowand.net/Shop/Tech/images/HeadlightRelayWiringDiagram.jpg

 

If not, try the actual page: http://www.rowand.net/Shop/Tech/WiringHeadlightRelays.htm which contains the jpeg.

 

It's an American document, so a bit long winded but all the relevant info is there.

 

Regards.

 

Richard.

[Paul H]

Thanks for info so far - before I go down the relay route has anybody tried the LED conversion route like this Ebay item 

 

Paul 

[Pete Lewis]

not all show the wattage but some look to be 50w,  not that much of a power saving

 

they seem to have built in voltage stabiliser dont know how 10v to 14v would affect the light output if at all 

 

maybe still demand relay upgrade what ever you use

[Guest]

Hello Paul.

 

LED is a whole different ball game and IMHO I think sticking with the "H" series conversion is the way forward.

 

Quality bulbs with quality lamp units is all you need.

 

Good luck.

 

Richard.

[Paul H]

Hello Paul.

 

LED is a whole different ball game and IMHO I think sticking with the "H" series conversion is the way forward.

 

Quality bulbs with quality lamp units is all you need.

 

Good luck.

 

Richard.

Hi Richard Crystal Lamps ordered. Thanks for advice . The Rowland article was excellent especially with the diagram . Would you agree with 20 amp relays ? I have an overdrive relay on the bulkhead and this is a "traditional lucas " Im assuming I wont need this type of relay and should be purchasing the more modern plastic cube type - any purchase links appreciated. 

 

Wheres the best place to locate the relays ?

Do the relays need to be weather protected ?

 

Thanks in advance 

Paul 

[Pete Lewis]

mine went up in the bonnet above the lamps , on the front horn support  if i remember right 

 

Pete

[Paul H]

mine went up in the bonnet above the lamps , on the front horn support  if i remember right 

 

Pete

Thanks Pete , 

[Guest]

Hello Paul.

 

I feel the thanks should go to Clive as he has them installed and speaks from a point of experience; I have only seconded his view !!

 

Yes go modern relay - I tend to use Hella units which are easily purchased via Ebay or through the usual companies that advertise in the classic car mags. Always worth having a look at Holden website for their items and excellent wiring diagrams. They are expensive and dare I say it I only use their site for reference purposes and purchase elsewhere - I'm really sorry Holden, it's nothing personal !!!!!!!!!! https://www.holden.co.uk

 

20amp relay will be fine if you think about watts divided by volts = amps; even the intial surge by the lamps being switched on will be within the 20amp capability. You can buy relays whereby you can install a seperate fuse which in many cases is a useful asset if experimenting with amp ranges.

 

Ideally you should have the relay located as close as possible to the load demanding item - in this case the headlights. However that said my Vitesse has the two relays on the bulkhead by the battery having been installed by the PO; there does not appear to be a performance issue.

 

Relay construction I have found to be very robust and certainly prevents water ingress in my experience to date. I use the old style Lucas connectors with the separate plastic sleeve which are excellent for insulation purposes and of course are era compatible - it's purely a personal choice. 

 

Hope the above assists ??

 

Best wishes.

 

Richard.