RedAvon
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| posted on 1/5/14 at 03:45 PM |
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tin top DRLs
I'm going to retrofit some DRLs to my tin top.
Could anyone please confirm whether on new cars the DRLs are switched off when the side and/or head lights are switched on?
Thanks
Ian
Bricoleur
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loggyboy
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| posted on 1/5/14 at 03:55 PM |
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I always thought that was the case, but im sure ove seen cars with sides/dipped on and DRLs running.
Mistral Motorsport
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RedAvon
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| posted on 1/5/14 at 04:16 PM |
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The installation instructions show -ve to battery -ve and +ve to fuel pump relay +ve which I thought was a bit strange?
Bricoleur
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JC
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| posted on 1/5/14 at 06:41 PM |
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On my Octavia VRS they are bright with lights off, they then dim when you select side lights on - they in fact are the sidelights, and stay dim with
headlights.
Hope that helps!
JC
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britishtrident
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| posted on 1/5/14 at 06:49 PM |
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They should go off with the lights, using a normal relay for this could cause problems if by our car has a bulb failure detection waring light.
The reason for wiring to the fuel pump is that the is will restrict the lights to be on when the engine is actually running, not just when the
ignition is switched on.
However to simplify things a special voltage sensing control relay is available to control the DRLs so they only work when the battery is being
charged by a running engine ie. when the battery voltage exceeds 13.1volts.
You can buy these voltage sensing relays very cheaply on eBay.
[
[Edited on 1/5/14 by britishtrident]
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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gremlin1234
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| posted on 1/5/14 at 06:51 PM |
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the iva manual section 22. Note 6:
Daytime running lamps. The lamps must be connected so
that they switch off automatically when the headlamps are on.
(Except for when the headlamps are flashed).
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ChrisW
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| posted on 1/5/14 at 10:17 PM |
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On my Audi they are bright when the headlights and sidelights are off and dim when they are on. They also dim on one side when the respective
indicator is on but I guess that's only a requirement if they are physically close to the indicator.
Chris
My gaff my rules
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RedAvon
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| posted on 2/5/14 at 06:47 AM |
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Thanks everyone.
To keep it simple I'll go for a normally closed relay fed off the fuel pump which is switched to open when the lights are operated.
Cheers
Ian
Bricoleur
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