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Old 05 October 2013, 13:18   #91
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The current limiting resistor is around 1 kOhm, which is a lot higher than the the filament bulb, that's why you have to put the "spoofing" resistor in // with the LEDs, to simulate a filament bulb.
I assume you put the small resistor in parallel with the LED/limit resistor. That kind of blows the whole low-current draw thing all to hell doesn't it?

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Old 05 October 2013, 17:53   #92
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I assume you put the small resistor in parallel with the LED/limit resistor. That kind of blows the whole low-current draw thing all to hell doesn't it?

jky
It increases the current on the indicators only, the brake & sidelights aren't a problem, at least not on the Discovery. The current draw was never an issue, it was the reliability of the filament lamps that was a PITA.
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Old 06 October 2013, 12:40   #93
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I have had a few sets of LED lamps from these guys and also other sellers on ebay... The say they are watertight although they are not IP rated... However they have all let water in. I have stuck with them and eventually found that by wicking super glue into any joins on the plastic of the lenses My latest set have lasted for a year....
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Old 07 October 2013, 07:13   #94
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We are heading down a remarkably similar road. Only difference is due to various space constraints I (will!) have the square fog lamp & number plate on a "short" board on the A- frame with a Bulgin Bucanner to connect into the Jn box at the winch post (also feeds the boat battery - I have a 13 pin Euro skt) and I have just used filament lamps for that as it won't be going swimming.....

I used a 22Ohm load resistor as I reckoned that all I needed to do was give the voltage somewhere "solid" to go - 22ohm gives about 7W, and when it's (It being a 10W wirewound resistor) flashing generates next to no heat (I could touch it with no issues after 10 mins operation, and on a cold evening was only moderately lukewarm) , so I have just put them in the Jn box.


Quote:
Originally Posted by jyasaki View Post
I assume you put the small resistor in parallel with the LED/limit resistor. That kind of blows the whole low-current draw thing all to hell doesn't it?

jky
This isn't about current draw - it's about removing the faff factor of loosing a 2m manky plank into the back of the car (that will inevitably touch the seats) every time I launch!

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I have had a few sets of LED lamps from these guys and also other sellers on ebay... The say they are watertight although they are not IP rated... However they have all let water in. I have stuck with them and eventually found that by wicking super glue into any joins on the plastic of the lenses My latest set have lasted for a year....
I could have sworn mine had "submersible" written on the box..... I must investigate further!
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Old 09 October 2013, 16:41   #95
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due to various space constraints I (will!) have the square fog lamp & number plate on a "short" board on the A- frame
Oh dear. I really must learn to speak the English language......

Allow me to clarify my atrocious wording, which may imply I have the fog light at A- frame height...... which of course would be totally illegal.

<engage clear English campaign mode>

What I meant to describe is that instead of using the long thing fog lamp used by Nasher, I have used the square version, mounted on the opposite side of the O/S triangle reflector to the Tail / indicator cluster in order to adhere to the lamp separation rules.

I have mounted the number plate (which has no height restriction) on a short lighting board with 'plate illumination using conventional bulbs (helps to not confuse lighting modules as well! ) fixed to the A--frame. This board and also carries the reversing lights.




I have sealed the N/S wiring this evening, and if all goes to plan the O/S soldered joints will be sealed tomorrow (don't hold your breath! ) . & I can install the cables & Jn. box. I'll post some pics once it's all together.
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Old 09 October 2013, 17:14   #96
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Glad you're getting on with it quicker than me.

I managed to finish weld the supports together over the weekend but that was all.

Nasher.
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Old 10 October 2013, 11:55   #97
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Glad you're getting on with it quicker than me.

I managed to finish weld the supports together over the weekend but that was all.

Nasher.
There's a reason I decided to use heavily treated wood to support mine!
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Old 10 October 2013, 13:46   #98
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Nasher... You got any plans to make some more of these for a fellow Disco3'er
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Old 10 October 2013, 15:11   #99
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Hadn't thought about it really.

I could probably be persuaded, but would want to try them out properly first, and I'm tied up every weekend now until the middle of November, which will be when I next get to work on them.

Nasher.
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Old 10 October 2013, 15:16   #100
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I installed a set of Westbar LED Tail Lights on my trailer.
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