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Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #633946
30/04/20 10:46 AM
30/04/20 10:46 AM
Joined: Nov 2011
Posts: 3,348
Australia - NSW North Coast
OZ 4/4 Offline
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OZ 4/4  Offline
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Joined: Nov 2011
Posts: 3,348
Australia - NSW North Coast
That looks great....


A Morgan Identified Fastidious Owner...
2011 4/4 Bespoke, 1981 Delorean, Auburn Boat Tail
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #634015
30/04/20 03:22 PM
30/04/20 03:22 PM
Joined: Feb 2016
Posts: 2,623
East Harling, Norfolk UK
Richard Wood Offline
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Happy Birthday Richard Wood  Offline
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Joined: Feb 2016
Posts: 2,623
East Harling, Norfolk UK
Thanks for feedback Roger. I think the ruling is that on dipped headlamps only the DRL's should be extinguished which makes sense. If you check out the schematic on the carbuildersolutions link it shows a trigger from dipped beam is required.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #639129
21/05/20 05:23 PM
21/05/20 05:23 PM
Joined: May 2016
Posts: 50
KENT
BLUE+4 Offline
Just Getting Started
BLUE+4  Offline
Just Getting Started

Joined: May 2016
Posts: 50
KENT
Hi Roger thanks for this article and I must admit that I have followed your lead and done exactly the same with my 1997 +4.
everything works just fine, I picked up the live feed from the heater fan fuse to the relay and tapped into the side lights to turn the DRL's off when side lights are on.

On going for a ride out today and filling up with petrol (£1 a litre), I decided to use the car in front at a set of traffic lights to check that all was working, and this is where I noticed that when I switch to side lights/on the speedo jumps up to 40mph and then falls back to zero ( as I was stationary). This is a mystery to me as the fuse for the fan supplies nothing extra and the speedo isn't involved at all. Have you had anything similar with your installation?

Last edited by BLUE+4; 21/05/20 05:26 PM. Reason: Typo

Why is there only one monopolies commission??

Rob B.
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #639480
22/05/20 08:02 PM
22/05/20 08:02 PM
Joined: May 2012
Posts: 983
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Rog Offline OP
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Rog  Offline OP
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Sumerset
Hi Rob

Wow that is weird. No I had nothing like that. So far mine has been very well behaved and pleased with the results.

I’m not familiar with your car but as you say I can’t see why it should do that, this is very simple wiring. Could it have had this feature even before you added the DRL’s….. maybe?

For now I’ve taken the power tap for my DRL’s from the wipers (connection I/D G44 on the chassis harness diagram) simply because its easily accessible within the engine bay. If there are any problems I will make a separate fused feed behind the dash later.


Roger
2011 Plus 4
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #639488
22/05/20 08:14 PM
22/05/20 08:14 PM
Joined: May 2012
Posts: 983
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Rog Offline OP
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Rog  Offline OP
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Just had a thought. May be try a fly back diode across the relay. Perhaps its producing an unwanted spike upsetting the speedo?


Roger
2011 Plus 4
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #639514
22/05/20 09:51 PM
22/05/20 09:51 PM
Joined: Feb 2016
Posts: 2,623
East Harling, Norfolk UK
Richard Wood Offline
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Happy Birthday Richard Wood  Offline
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Joined: Feb 2016
Posts: 2,623
East Harling, Norfolk UK
Originally Posted by Rog
Just had a thought. May be try a fly back diode across the relay. Perhaps its producing an unwanted spike upsetting the speedo?

Agreed as previously suggested in thread here. All modern Morgan's have a note on the circuit diagrams for diode relays to be fitted. Unfortunately after market additions and kits don't always provide such.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #639519
22/05/20 10:08 PM
22/05/20 10:08 PM
Joined: May 2012
Posts: 983
Sumerset
Rog Offline OP
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Rog  Offline OP
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rofl Didn’t realise there were two threads. Only just spotted this one!


Roger
2011 Plus 4
Re: Anybody tried switchback bulbs in the winkers? [Re: Rog] #639551
23/05/20 07:56 AM
23/05/20 07:56 AM
Joined: May 2016
Posts: 50
KENT
BLUE+4 Offline
Just Getting Started
BLUE+4  Offline
Just Getting Started

Joined: May 2016
Posts: 50
KENT
Thank you both Roger and Richard,

I have ordered a relay with a diode and as soon as it arrives it will be fitted. An interesting glitch to an otherwise successful upgrade, the jumping speedo has only just happened with the upgrade so I don't think it is an old ongoing problem Roger,I will post the results as soon as I know.

And thanks once again for your advice. cheers


Why is there only one monopolies commission??

Rob B.
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