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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 2937

United Kingdom 
Rear brake light bulbs

can you fit these the wrong way? My dad said my brake lights are very dim compared to the side lights?
I have fitted new housings in and I replaced a bulb.
I know one element on the bulb is smaller than the other. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Post #793239 15th Sep 2019 9:28pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 91

Scotland 

Depends how ham fisted you are

Post #793241 15th Sep 2019 9:31pm
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custom90steve



Member Since: 21 Jan 2010
Location: South West England
Posts: 17237

United Kingdom 2007 Defender 90 Puma 2.4 SW Stornoway Grey

They should be replaced in pairs. Typically it’s only LED that’s polarity sensitive Made In GB. 🇬🇧

Watts ÷ Volts = Amps.
Amps X Volts = Watts

Post #793242 15th Sep 2019 9:36pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 2937

United Kingdom 

htb2 wrote:
Depends how ham fisted you are


spot on I will double check these tomorrow before work then, just in case I have been too force full, which sounds like I may have! Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Post #793243 15th Sep 2019 9:42pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 2937

United Kingdom 

custom90steve wrote:
They should be replaced in pairs. Typically it’s only LED that’s polarity sensitive


yeah those either work or they don't, I think my dad could be nit picking but I will check, The 3rd one is out on the door so I am wondering if that could cause problems Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Post #793245 15th Sep 2019 9:45pm
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Pilgrimmick



Member Since: 16 Nov 2015
Location: Highlands
Posts: 418

United Kingdom 

The bayonet fittings for the brake/side light are offset, one is higher than the other. They can be forced in the wrong way, but it takes a bit of effort.
The tail light is typically 5w and the brake light 21w. 80" 1948
Lightweight V8
Bowler Tomcat
130 Station wagon
90 300tdi
(Santana PS10 pick up)
Range Rover L322 (Ful fat)

Post #793249 15th Sep 2019 9:53pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 2937

United Kingdom 

I will have a look then, as I think I may have cocked up here. Cheers for the info on the watts. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Post #793253 15th Sep 2019 10:00pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 2937

United Kingdom 

looks like have cocked up the brake light system is blowing fuses so I think I have damaged the terminals so I have ordered off replacements and I think the tail loom may have failed. any advise you can give would be great Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Post #793312 16th Sep 2019 1:45pm
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Pilgrimmick



Member Since: 16 Nov 2015
Location: Highlands
Posts: 418

United Kingdom 

Doubt you have damaged anything in any meaningful way, change fuses and pop bulbs back in right way round! 80" 1948
Lightweight V8
Bowler Tomcat
130 Station wagon
90 300tdi
(Santana PS10 pick up)
Range Rover L322 (Ful fat)

Post #793335 16th Sep 2019 2:54pm
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PCM



Member Since: 25 Jan 2019
Location: North East
Posts: 304

United Kingdom 

Could be an excuse to upgrade to the sealed LED variety? Thumbs Up I was fed up of the others as the bulbs didn't last.
New ones (lots of makes) seem to have lasted and the install is a 20 minute job.

Post #793344 16th Sep 2019 4:10pm
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windy81



Member Since: 14 Mar 2018
Location: North Wales
Posts: 200

Wales 1993 Defender 90 200 Tdi HT Montpellier Red

Put side lights on then install bulb, you'll know when they're wrong way in by the way they light up.

Post #793346 16th Sep 2019 4:22pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 2937

United Kingdom 

looks like I have a brake issue, the side light system works no bother, but for some reason the brake lights keep blowing a fuse, and the rear door light doesn't work Any ideas what could be wrong? Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Post #793796 18th Sep 2019 1:48pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 1139

United Kingdom 1984 Defender 90 200 Tdi HT Orkney Grey

Check the contacts on the bottom of the bulb holder aren't touching each other causing a short
Mo The Land Rover 90 - Many are called, few are chosen.

Post #793801 18th Sep 2019 2:34pm
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rallysteve



Member Since: 10 Feb 2014
Location: Rotherham
Posts: 1220

United Kingdom 1984 Defender 90 V8 Petrol PU Caledonian Blue

Check the wire that goes into the rear door through the corrugated rubber gland that might be snapped and shorting to something.

Steve 02' 110 TD5 Double Cab
84' 90 3.9 V8 Caged Pickup Build Thread

Post #793804 18th Sep 2019 3:05pm
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Silvertoolbox



Member Since: 13 Oct 2018
Location: Westhill
Posts: 16

United Kingdom 

Had an annoying few days troubleshooting wiring loom only to discover the stop lamp contact was shorting on bulb body.
"Quality" aftermarket lamp body. Not that the original was much good. Oh for the old Lucas stuff. Ex scottish & southern 110 Td5 van (shed) with PTO driven winch (L-R special vehicles)
Before that, Disco 1, Freelander 1, 26105382 80" with a 1600cc (not much slower)

Post #794203 20th Sep 2019 5:44pm
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