Relay / fuse board
- RichardHyde
- Guest contributor
- Posts: 327
- Joined: Sun Dec 08, 2013 8:03 am
- Location: High Wycombe
Relay / fuse board
Hi all,
What extra fuse / relay holders have you guys used ?
They seem pretty expensive from car builder suppliers and the scrap yards near me have all closed down.
What have you used for headlight relays ? Any other relays eg horn ?
Cheers, Richard
What extra fuse / relay holders have you guys used ?
They seem pretty expensive from car builder suppliers and the scrap yards near me have all closed down.
What have you used for headlight relays ? Any other relays eg horn ?
Cheers, Richard
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- TDC Shropshire Area Organiser
- Posts: 7247
- Joined: Sun Aug 21, 2011 5:12 pm
- Location: Highley, Shropshire
Re: Relay / fuse board
I've mostly paid the price and bought my relay holders (I like the ones that lock together and also hold 3 fuses each) from Car Builder Solutions.
However, due to their rather exorbitant P+P charges, it's best to make a comprehensive list of everything you want and get it all in 1 hit!
They also do a rather nice line in blade fuse boxes, offering a number of capacity choices up to the 16 fuse behemoth that I ended up using on my Sprint! Big it may be, but it's still compact enough to fit the original site!

This has a built in facility to siamese a number of fuses to a common feed or feed them individually as required, which is handy!
Relays I buy off ebay, just whatever is cheap, I pay under £3 each mostly, for 30 or 40amp relays.
As to just WHAT to fit relays to, that's a personal choice! You can get away with as little as 2 for the headlamps or get totally anal like I have with 12, covering Dip, Main, Starter, Horn, Spotlights, Engine management, Fuel pump, HRW, Rad fan, Leccy windows, Central locking and a catch-all Ignition live booster relay for a number of ignition powered components like the auto trans ECU, immobiliser, reverse lights and other odds and ends. Some of these you won't have (maybe 5 of them) but you get the idea!
I've also incorporated a grand total of 21 fuses in 2 boxes! I DEFINITELY watch too much Project Binky!
Steve
Steve
However, due to their rather exorbitant P+P charges, it's best to make a comprehensive list of everything you want and get it all in 1 hit!
They also do a rather nice line in blade fuse boxes, offering a number of capacity choices up to the 16 fuse behemoth that I ended up using on my Sprint! Big it may be, but it's still compact enough to fit the original site!

This has a built in facility to siamese a number of fuses to a common feed or feed them individually as required, which is handy!
Relays I buy off ebay, just whatever is cheap, I pay under £3 each mostly, for 30 or 40amp relays.
As to just WHAT to fit relays to, that's a personal choice! You can get away with as little as 2 for the headlamps or get totally anal like I have with 12, covering Dip, Main, Starter, Horn, Spotlights, Engine management, Fuel pump, HRW, Rad fan, Leccy windows, Central locking and a catch-all Ignition live booster relay for a number of ignition powered components like the auto trans ECU, immobiliser, reverse lights and other odds and ends. Some of these you won't have (maybe 5 of them) but you get the idea!
I've also incorporated a grand total of 21 fuses in 2 boxes! I DEFINITELY watch too much Project Binky!
Steve
Steve
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!
Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!
Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.
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- TDC Member
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- Location: Harrow Middlesex
Re: Relay / fuse board
I used the same fuse board as Steve but got mine from EBay
Dave
Dave
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- Joined: Mon Dec 03, 2012 6:04 pm
Re: Relay / fuse board
Ebay is your friend, if your willing to wait you can get parts like fuse boards, relay holders and anything electrical for buttons, if you order direct from China. Even using UK suppliers doesn't cost allot.
- yorkshire_spam
- Guest contributor
- Posts: 994
- Joined: Wed Nov 15, 2017 3:35 pm
- Location: Filey, North Yorkshire
Re: Relay / fuse board
I have 4 of these in a metal frame under the dash in the Spitfire.
https://www.autosparks.co.uk/electrical ... inals.html

Cheers,
Sam
https://www.autosparks.co.uk/electrical ... inals.html

Cheers,
Sam
Re: Relay / fuse board
Just be careful as the quality of some of the cheap stuff is not good, "Chinese chocolate" is a phrase that comes to mind. The plastic is not always the correct type for electrical bits and can melt/go soft at quite low temperatures allowing connections to move. This can make your fuse/relay combo a failure/fire hazard waiting to happen - sometimes worse than the Lucas "Prince of Darkness" stuff it replaces.cleverusername wrote: ↑Sat Feb 01, 2020 11:46 pm Ebay is your friend, if your willing to wait you can get parts like fuse boards, relay holders and anything electrical for buttons, if you order direct from China. Even using UK suppliers doesn't cost allot.
I bought a nice shiny set of indicators and side lights for my Landy 110. After a couple of months I noticed one of the rear side/stop lights wasn't working, both filaments. Unusual I though. On examination the plastic bulb holder had melted allowing the spring to push the locating pins of the bulb out making it lose contact. It was not just that one either, the other 3 holder (2 front/ 1 rear) all had evidence of melting plastic. I ended up refitting the originals and just swapping the lenses - which lasted only a couple of years before the sun (UV) made them brittle and they started to fall apart! Lesson learnt.

Also think that you might have a long wait for stuff from China at the moment - not only is it their New Year holiday when things slow down anyway - they also have a severe case of the sniffles as well so have extended their break,
1975 Sprint Man O/D in Honeysuckle Yellow
1971 Stag Auto White
Too many cars, too little time!
1971 Stag Auto White
Too many cars, too little time!
Hmm......
I don't think I have ever had to pay carriage when buying from Car Builder Solutions, Steve?Carledo wrote: ↑Sat Feb 01, 2020 8:49 pm I've mostly paid the price and bought my relay holders (I like the ones that lock together and also hold 3 fuses each) from Car Builder Solutions.
However, due to their rather exorbitant P+P charges, it's best to make a comprehensive list of everything you want and get it all in 1 hit!
Taking advantage of the sterling efforts that Laurence has made on our behalf,
I registered as a TDC member with CBS to qualify for 10% discount on all orders,
which I think you have to order online (but I do that anyway because they have a live website
with stock availability indicated).
The free carriage is for orders over £60 .....
https://www.carbuilder.com/uk/
Ian.
PS: Laurence also secured a similar deal for TDC members from Bilt Hamber

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- TDC Shropshire Area Organiser
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- Joined: Sun Aug 21, 2011 5:12 pm
- Location: Highley, Shropshire
Re: Hmm......
Because of changes in plans and other haphazard things, I don't think i've ever spent that much at CBS! I always use the live website myself, it's quite a good one and easy to navigate.sprint95m wrote: ↑Sun Feb 02, 2020 12:15 pmI don't think I have ever had to pay carriage when buying from Car Builder Solutions, Steve?Carledo wrote: ↑Sat Feb 01, 2020 8:49 pm I've mostly paid the price and bought my relay holders (I like the ones that lock together and also hold 3 fuses each) from Car Builder Solutions.
However, due to their rather exorbitant P+P charges, it's best to make a comprehensive list of everything you want and get it all in 1 hit!
Taking advantage of the sterling efforts that Laurence has made on our behalf,
I registered as a TDC member with CBS to qualify for 10% discount on all orders,
which I think you have to order online (but I do that anyway because they have a live website
with stock availability indicated).
The free carriage is for orders over £60 .....
https://www.carbuilder.com/uk/
Ian.
PS: Laurence also secured a similar deal for TDC members from Bilt Hamber![]()
Buy 1 relay/fuse holder and the carriage is more than the part!
Spend enough and use the discount and it makes more sense!
I prefer to use UK suppliers even if it costs a little more, you have some sort of comeback and get the stuff quicker. Time is money to me!
Steve
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!
Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!
Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.
Re: Relay / fuse board
When i have to use multiple relay's this holder I use.
https://www.3waycomponents.co.uk/Relay- ... ay-Holders
Easy to fit and a neat solution.
https://www.3waycomponents.co.uk/Relay- ... ay-Holders
Easy to fit and a neat solution.
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Classic Kabelboom Company. For all your wiring needs. http://www.classickabelboomcompany.com
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- TDC Shropshire Area Organiser
- Posts: 7247
- Joined: Sun Aug 21, 2011 5:12 pm
- Location: Highley, Shropshire
Re: Relay / fuse board
I bought all my Rists pins from 3 Way Components as recommended by Jeroen. Cheaper and more choice of sizes than CBS. Then promptly forgot their name! They are good!
Steve
Steve
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!
Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!
Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.