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New Project I'm Doing Next


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#16 Preee

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Posted 31 December 2011 - 11:02 AM

Ive got to admit since ure using sidelights to power the drls youre rear lights will be on anyway it does seem a rather pointless exercise and im sure somewhere there would be legality issues. Cars dont have them if u want to do it consideqg led strips near the rear fog and reverse lights. Mot inspectors are meticulous about lights especialy on the rear


In the diagram i have drawn i am only using the side light circuit to power down the light's or Dim them if i decide to dim them , with the relay, hence daytime running lights.They will be ON with ACC and controlled OFF or Dim with side light circuit.Volvo have used lights to the rear since the stone age so as long as i am showing correct colour and intensity i will not be breaking any law requirements.
My plan is to keep them as per my front DRL's away from the primary lighting circuits , as long as the rear intensity of the LED's are lower than the Brake light function.


The fact remains that Ford while constructing the Cluster have used a blanking plate that will not come out without breaking it , if you remove the light cluster and read the back of the lights the middle section has written on "12v Led" , not that i'm saying it was for a DRL.
If i go ahead and fit them , they will have to be inserted into the Side/Brake light section of the cluster , when i get all my parts and test it , then i will decide if iwant to go ahead and fit them.

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#17 jeebowhite

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Posted 03 January 2012 - 10:23 AM

Fair point artscot, however the later C or S Max (cant recall which exactly) has rear DRL's so I dont think that it will be so much a problem, however maybe utilising the side lights, and LED with a switch will then cut the power to the actual side light bulb/s (rear included) and just draw the power to the DRL's?

#18 artscot79

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Posted 03 January 2012 - 02:33 PM

Fair point artscot, however the later C or S Max (cant recall which exactly) has rear DRL's so I dont think that it will be so much a problem, however maybe utilising the side lights, and LED with a switch will then cut the power to the actual side light bulb/s (rear included) and just draw the power to the DRL's?


no offence guys im trying to imagine it in my head and as you know you get a picture of what you think it will look like not what it actually looks like .it will be interesting to see them when they are done and how it all works out

#19 Preee

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Posted 09 January 2012 - 01:02 PM

*UPDATE*

Still waiting for the LEDS and Holders from China , the resitors i ordered still have no arrived from UK! , so i guess i will be giving that guy a crappy feed back unless he hurrys up.

Anyway as i was bored i went to Maplins and brought a Bench power supply , i was usuing a standard adapter , it gives 13.8v constant so at least i now have a better voltage to play around with , i also brought some resitors.

Mocked up with some LEDS the same as my Door handles LEDS , and found the correct resistors to Dim them to approx 50% , 8.2v , any more and they are either to Dim or not enough to light them at all. Left running for 30 minutes and all components were still cold , so no heat to worry about.

So i will be making some changes to my final circuit , i will be adding 2 small LEDS to the project box so if anything goes wrong with them i can check the state with out taking the box apart , one LED to show power and one LED to show when in reduced state.

I will have to do final testing when the Bulb LED's arrive , i plan to fully protect both sides of the circuit with diodes + and - side's .

I will then Fully solder it all together and test , switching via the 5 pin relay works a treat.

It will then just be a case of IF i actually fit them to the rear cluster , and if i don't fit them then i will still have made a DRL 12v circuit :P

#20 jeebowhite

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Posted 09 January 2012 - 01:59 PM

I know I dont own the Foci Preee, but if you pull this off well and truely, I will resist the urge of coming to find you with parts, and asking you to fit front and rear's to my Cee'd :P lol

#21 tomo2001

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Posted 09 January 2012 - 02:58 PM

Fair point artscot, however the later C or S Max (cant recall which exactly) has rear DRL's so I dont think that it will be so much a problem, however maybe utilising the side lights, and LED with a switch will then cut the power to the actual side light bulb/s (rear included) and just draw the power to the DRL's?


Are you sure you have seen DRL's on the C or S Max and not LED tail lights ? The Mondeo and new Focus in Titanium/Titanium X trim also have this feature but they're deffo not DRL's. :)

#22 jeebowhite

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Posted 09 January 2012 - 05:00 PM

Could well be to be honest, I suppose come to think of it I have never seen the LED's and taillights on at the same time... lol

#23 Preee

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Posted 14 January 2012 - 05:51 PM

Had a busy day making the DRL circuit , had to modify the original circuit due to the LED's wanting more power in Dim mode and the resistor set up i had was reducing to much also added 2 small LED's to the control box so if they go wrong i will be able to see from the box at what state they are in.
Now i need to move on to stage 2 and do some testing with the cluster and rear lights , firstly to make sure that at standard brightness they don't over power or are equal to the brake lights , if they do then (plan B)

Made a quick video of them being tested to prove the circuit works.


#24 TDCiST

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Posted 14 January 2012 - 06:14 PM

Looking Great mate!

Thats some neat circuitboard work there!

#25 Preee

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Posted 14 January 2012 - 08:36 PM

Looking Great mate!

Thats some neat circuitboard work there!


Thanks Dave , it sure was fun making it and for it to actually work lol

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