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chipmunk

Member Since: 10 May 2012
Location: Kelso
Posts: 264

LED reverse and fog lights wiring colours

Fitting these today along with rest of LED package. I know the LEDs are polarity sensitive so just to make sure before I crimp up the connectors............the lamps have a red and a white wire and the loom a black and a grey to each light fitting.....so....the blacks are the earth right?
Info on the light unit rear says the white is the negative so is that the earth? ie I connect the white to the black for the correct polarity??
Also which is the flasher relay (2.2 TDCI). Also also..........can I turn on the ignition with fitted LEDs and original flasher unit without damaging anything, as I want to identify the correct relay by 'feel'?
Cheers

7th Mar 2016 4:35pm

Chocolate

Member Since: 18 May 2012
Location: Berkshire
Posts: 153

2004 Defender 110 Td5 XS CSW Bonatti Grey

hi Chipmunk

Found the same on my TD5, black on the car was negative/earth, White on the light Negative.
found out the hard way once i had crimped the first one!!
All worked after swapping it.
the number plate one took the longest.

110XS CSW TD5.

7th Mar 2016 4:40pm

ericvv

Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5816

2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black

Someone on here once gave a very good tip to test the polarity of LED lamps. Connect it to a 9V battery, and you will easily find out which of the wires is the positive. I did this when installing my Wipac LED number plate lamp.
Eric You never actually own a Defender. You merely look after it for the next generation.
http://youtu.be/yVRlSsJwD0o
https://youtu.be/vmPr3oTHndg
https://www.youtube.com/watch?v=_GtzTT9Pdl0
https://www.youtube.com/watch?v=ABqKPz28e6A
https://www.youtube.com/watch?v=rLZ49Jce_n0
https://www.youtube.com/watch?v=XvAsz_ilQYU
https://www.youtube.com/watch?v=K8tMHiX9lSw
https://m.youtube.com/watch?v=dxwjPuHIV7I
https://vimeo.com/201482507
https://www.youtube.com/watch?v=ZSixqL0iyHw

7th Mar 2016 5:02pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20453

Eric - That may have been me.

Most people have got a 9v lying around somewhere!

7th Mar 2016 5:34pm

Roy5695

Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123

2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

I'm not gonna lie I just put the ignition on and put the gear stick in reverse, touched the wires to the plug and which ever way they went to make the light come on is the way they were crimped. had no problems with them.

7th Mar 2016 6:51pm

chipmunk

Member Since: 10 May 2012
Location: Kelso
Posts: 264

Thank you all. I have the wiring sorted in my head, just need to know which relay to take out, Trial and error?

7th Mar 2016 7:42pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20453

Put hazards on and feel them, you'll soon know.

Normally 2nd from top left.

7th Mar 2016 7:54pm

chipmunk

Member Since: 10 May 2012
Location: Kelso
Posts: 264

Steve I have installed and wired the LEDs, I won't damage them by switching on with old relay in situ?
Thanks
David

7th Mar 2016 7:58pm

Roy5695

Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123

nope, no damage, they will just flash a little quicker and the trailer light will flash as well with just the indicators.

7th Mar 2016 8:02pm

strang

Member Since: 16 May 2012
Location: Happy Valley
Posts: 1381

2009 Defender 90 Puma 2.4 XS CSW Galway Green

I've just fitted led's too. I changed the relay first of all (done by feel as suggested) and then put the new one in. Then after fitting each new unit, I put the 4 ways on to make sure each one worked OK and if has not affected the relay.

My only lasting problem is that I now have the trailer light on permanently...... Euro-Leafing to infinity and beyond.....

7th Mar 2016 8:06pm

Roy5695

Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123

Did you adjust the little knob on the relay? Turn that until the trailer light only flashes with the first indicator flash

7th Mar 2016 8:08pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20453

^^^^ Change it with the engine running too, not ignition as the voltage is higher and more accurate.

7th Mar 2016 8:12pm

strang

Member Since: 16 May 2012
Location: Happy Valley
Posts: 1381

Roy5695 wrote:
Did you adjust the little knob on the relay? Turn that until the trailer light only flashes with the first indicator flash

Ah, thanks, will do that this weekend.......... Euro-Leafing to infinity and beyond.....

8th Mar 2016 6:22pm

chipmunk

Member Since: 10 May 2012
Location: Kelso
Posts: 264

Thanks for replies guys.......all done and dusted.
As already said, the number plate light took the longest.
Also had the polarity on side repeaters reversed but was very quick fix. Superb lights.

8th Mar 2016 6:31pm

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