"Project Halo" - The 159, Brera & Spider HALO DRL Project - Page 39 - Alfa Romeo Forum
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(Post Link) post #951 of 1445 Old 07-10-14 Thread Starter
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Had to do some repair work on my PSU last night.

Essentially, I started to get an intermittent connection between the plug and socket that stopped the Halo's coming on. it looked due to corrosion over time on the contacts so I took the unit apart on the bench, removed the socket form the PCB and soldered 4 x wires direct to the board instead. I then attached 4 x spade connectors to allow me to easily remove it in the future from the car.

One thing I did notice though was that if the metal shell of the PSU touched the car shell it sparked a little so I assume their is a power bleed to it from the mosfets inside it. The reason I point this out is that if your fitting your PSU you may want to ensure it cannot touch the shell. Mine is screwed to the side of the Engine bay fuse box so its firmly attached to an electrically isolated plastic shroud.


2008 159 TI 2.4 JTDM QTRONIC
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Thanks for the heads up Jay ... black enclosure ordered http://www.ebay.co.uk/itm/2009773256...%3AMEBIDX%3AIT

I've got a couple of superseal connectors left over that'll come in handy too
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Hello Jay!

I red the whole topic because i am really interested on this project!
I have already ordered most of the parts.

Please add me to the list. !!!

Thanks
Andrew
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(Post Link) post #954 of 1445 Old 10-10-14 Thread Starter
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Originally Posted by brainrain View Post
Hello Jay!

I red the whole topic because i am really interested on this project!
I have already ordered most of the parts.

Please add me to the list. !!!

Thanks
Andrew
Excellent, you clearly had an hour or two spare!!

Can you email me @ halo@jabawoki.com with you name, address & forum name and I'll add you to the list.

Cheers
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I don't like that chinese PSU. Mine was faulty and had to be returned, i think it's the weak link in the system...

This one:
http://www.ebay.co.uk/itm/3507694484...%3AMEBIDX%3AIT

Felt much better quality to me.

Put it in here:
http://www.ebay.co.uk/itm/3609019658...%3AMEBIDX%3AIT

Next day delivery from UK seller too
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Although yes they are better quality, they are only 3A max rated. The controllers draw 3A at full tilt (on main beam) but only 1.5A on normal use (DRL) or <1A on night use.

So the only issue is the heat generated by running the controllers on main beam may be too much for the PSU to deal with (it has no heat sinks) which may ultimately lead to the PSU failing so keep an eye on that.

I do agree about the other PSU though, it is a bit crap but is well rated @ 80w (9A+). Above all, make sure you all use fuses (1.5A per controller or 3A in line to both) between the PSU and the controllers.

I have had 2 returned to me so far that on inspection are both due to the PSU spiking and blowing something on them.
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Quote:
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Although yes they are better quality, they are only 3A max rated. The controllers draw 3A at full tilt (on main beam) but only 1.5A on normal use (DRL) or <1A on night use.

So the only issue is the heat generated by running the controllers on main beam may be too much for the PSU to deal with (it has no heat sinks) which may ultimately lead to the PSU failing so keep an eye on that.

I do agree about the other PSU though, it is a bit crap but is well rated @ 80w (9A+). Above all, make sure you all use fuses (1.5A per controller or 3A in line to both) between the PSU and the controllers.

I have had 2 returned to me so far that on inspection are both due to the PSU spiking and blowing something on them.

Something blew on the controllers? Or the PSU?

Does it matter where the fuse is located? Mine is between the battery + and the PSU...
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  6. dawgone
  7. brainrain

Thanks for joining in Brainrain!
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Originally Posted by manphibian View Post
Something blew on the controllers? Or the PSU?

Does it matter where the fuse is located? Mine is between the battery + and the PSU...
yes, add a second one between the PSU and the controllers in case the PSU spikes the power as it will take out the controllers. This is what has happened to a couple of people during bench testing. Their PSU was faulty. Mine has been just fine for over a year but better safe than sorry for a 50p fuse!! Ideally fuse each line to each Controller @ 1.5Amps.
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Quote:
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yes, add a second one between the PSU and the controllers in case the PSU spikes the power as it will take out the controllers. This is what has happened to a couple of people during bench testing. Their PSU was faulty. Mine has been just fine for over a year but better safe than sorry for a 50p fuse!! Ideally fuse each line to each Controller @ 1.5Amps.
Will do
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Jay!

Can you recommend some chinese relay from ebay or aliexpress?
Coz ordering from UK for me is so money waste.
Thanks
Andrew
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Adding the tag #project_halo on Instagram to any pics or videos of the halos, so if any one's on there we can have a collection in one place
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Quote:
Originally Posted by brainrain View Post
Jay!

Can you recommend some chinese relay from ebay or aliexpress?
Coz ordering from UK for me is so money waste.
Thanks
Andrew
Any timed off relay from ebay will be ok, but they all use a 555 timer and do create a few mA of parasitic drain on the car.

Quote:
Originally Posted by manphibian View Post
Adding the tag #project_halo on Instagram to any pics or videos of the halos, so if any one's on there we can have a collection in one place
Good Call
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One more name on the list!!
  1. lvgregory
  2. OGR4M
  3. goodjjp
  4. gakfive
  5. LaverdaRGS1000
  6. dawgone
  7. brainrain
  8. Dontuknowit
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So I got another email last night for number 9 it's close enough that as long as everyone pays up as promised I can get a production run sorted. I will sort the paperwork this weekend and send each of you payment details as before. Once everyone has PayPal'ed me the money I will start the manufacturing. As before it will be about a month.
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All looks great. Can anyone recommend replacing my now original and 'yellow' stained foglights?
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So I sent out the invoices for payment this morning so once you have all paypal'ed the money over I will get a run sorted. I am technically 2 people short of a run, but I am going to "invest" some of my own money in to pick up the shortfall and manufacture some extra so I have a few sets in stock.

Lets hope everyone pays up and that I don't get stuck with a bunch of extra controllers no one wants!!
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Got my pair of invoices through... apparantly this is the "3nd generation"

Will send payment tomorrow (21st).
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Yeah sorry about the double invoice mate, the total amount was wrong on one of them and yes they will be 3rd generation. Some minor changes to components to provide better voltage protection and a new look
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Note to self, don't do invoices in the morning
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Have now sent across my hard earned moneys - now for you to make it hard earned, eh?

At least the lead time will give me chance to get the parts together over the next month and spend all Christmas building the set!
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Thanks OGR4M two of you have paid promptly, a number of people have unfortunately dropped out and the rest have not responded!!

If the rest respond ok I will see what the shortfall is and make a call as to weather or not I foot the bill or cancel the run. If I do cancel the run your money will be returned in full. Its just sat in the paypal account for now as I wont place the order for the run until I have everyone confirmed.
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Jay I will pay Friday if that is OK
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no worries! it take s few days for people to sort out funds etc once the project starts to move so I am in no rush. I would rather have more people in than out as the shortfall comes out of my pocket!
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Quote:
Originally Posted by juventino View Post
All looks great. Can anyone recommend replacing my now original and 'yellow' stained foglights?
I've had 3 smashed fog lights while i've had the car ... saw these on another thread and i'm gonna fit them (just the lamps not the other gubbins) when I get round to fitting my halo's (Project on hold as i've just moved house and I can't find anything lol)

http://www.ebay.co.uk/itm/2313276578...%3AMEBIDX%3AIT
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