 | Home > Technical > Anyone know what this heat sink is? |
 
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| donmacn Member Since: 06 Nov 2017 Location: Nth Scotland Posts: 1841  
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Dim/Dip - cr@p idea in the first place, and your light bulbs will thank you for leaving it disconnected.
I think there's a relay, or relay socket behind the dash somewhere that also needs/needed attention to disable this, but if the resistor is unplugged then hopefully your relay will already be sorted. I did this on mine years ago and have forgotten all the details, but if you were to search here, or google Defender dim/dip I'm sure you'd find all the info. Donald 1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong (The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html ) 2000 Range Rover P38 4.0L V8 in the past.. RR classic - fitted with 200Tdi 1984 RR classic - V8 with ZF auto box 1993 Discovery 300Tdi not to mention the minis and the Type 2 VW camper... |
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6th Mar 2021 1:34am |
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6092  
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Was a weird UK road regulation (my 200Tdi had it back in 1992) so if you were driving (or at least ignition "on") with just the sidelights switched on, the headlights would illuminate dimly
I think that resistor dropped the brighness to either 1/10th or 1/6th of normal brightness Or just replicated a sealed beam!  |
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6th Mar 2021 8:20am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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It's either/or to disable the dim-dip. Either unplug the resistor as per the pictures or change/adapt the pink relay behind the instrument binnacle. At one point, LR even offered a specially adapted relay to replace the original, which is basically a shell with just a link wire between two of the terminals inside. The only other thing I'd add is that connector will still be live when the side lights are on, so it'd be worth taping it up properly. Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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6th Mar 2021 8:32am |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2526 
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Diesel Jim must have had one of the last vehicles equipped with dim-dip as this stupid idea was withdrawn in 1992 at the same time as the French did away with yellow headlights - all thanks to the EU who harmonised headlamp regulations across Europe. (One of the few good ideas to come out of the EU). Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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6th Mar 2021 8:36am |
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| Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2645 
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It might have been withdrawn but Land Rover kept fitting it right through until at least Td5 era. I have a 2006 loom with it fitted.
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6th Mar 2021 8:44am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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Despite the rule change, LR continued to fit dim dip to some Defender models for years afterwards right up to the Puma. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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6th Mar 2021 8:45am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17380 
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My 2007 County-spec Puma 110 DC left the factory with dim dip, LR was still fitting the abomination to commercial-spec vehicles then. If you bought a non-commercial you got headlight level adjusters, commercial got dim dip.
I don't know when this stopped, possibly when all Defenders became N1. It's an utterly useless feature, the most stupid idea since rear fog lights. It also kills headlight bulbs. |
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6th Mar 2021 9:29am |
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| Bundy Member Since: 21 Sep 2020 Location: Cheshire Posts: 98
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Thanks everyone. Will check if it’s still live and tape it up.
Mines an 09 Puma for reference 😉 Cheers Al |
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6th Mar 2021 9:31am |
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| markb110 Member Since: 22 May 2010 Location: Guildford Posts: 2636  
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Bendy, I used a spare plug set, sealed the open ends up with Dum Dum and used those to seal the now open ends.
That way you won’t have to worry about the tape ever coming off and getting water damage to the exiting loom. |
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6th Mar 2021 5:26pm |
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| Slideywindows Member Since: 09 Sep 2016 Location: North Essex Posts: 1283
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Learnt something here. Thank you.
My 1996 County Hard Top still has dim-dip. (Didn't Harry Enfield have a similar sounding character?  ) |
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6th Mar 2021 6:22pm |
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| L110CDL Member Since: 31 Oct 2015 Location: Devon Posts: 10751
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^ ^ ^
Yes he did Slideywindows 
I have just got rid of the dim-dip on Millie  1996 Golf Blue 300Tdi 110 Pick up.
Keeper. Clayton. |
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8th Mar 2021 10:26pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5843 
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and I am trying to fix it on my Td5 110. I think its the relay. (i like the feature) 1999 Defender TD5 110
Regards John M0VAZ Econet Station 48 no clock |
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9th Mar 2021 8:44am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17380
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It's worth remembering that there are many unused connectors on a Defender and you won't get any loom damage leaving them uncapped, unless you think you might want to reuse them in the future when crud ingress could be a problem. A small plastic bag and some insulating tape, or a piece of pallet wrap, will do the job if need be. |
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9th Mar 2021 9:19am |
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