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LED rear lights issue

Anything related to Car Audio, Security or Electrical issues.
ihs61
Posts: 25
Joined: Tue Sep 27, 2016 5:48 pm
OBD2 Code Reader?: No
Location: Yorkshire & Limoges

LED rear lights issue

Postby ihs61 » Sat Jan 13, 2018 9:23 am

Hi

I have changed the front side lights, number plate and interior bulbs for LED ones with no problems.

However I have also changed the stop tail ones for these http://www.ebay.co.uk/itm/381978590128.
When I turn the lights on, both stop and tail come on together effectively creating the impression that I have the brakes on all the time.

Any thoughts/suggestions ?

Thanks Ian

Call the midlife!
Posts: 1294
Joined: Wed Feb 15, 2017 8:29 pm
OBD2 Code Reader?: No

Re: LED rear lights issue

Postby Call the midlife! » Sat Jan 13, 2018 1:29 pm

Bad earth or bulb holder contacts touching together?


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ihs61
Posts: 25
Joined: Tue Sep 27, 2016 5:48 pm
OBD2 Code Reader?: No
Location: Yorkshire & Limoges

Re: LED rear lights issue

Postby ihs61 » Sat Jan 13, 2018 1:39 pm

Thanks for your thoughts, however I have checked, plus wIth standard filament bulbs everything is okay. Thanks Ian

jonbill
Posts: 597
Joined: Fri Nov 27, 2015 11:17 am
OBD2 Code Reader?: Yes
Location: Northampton, UK

LED rear lights issue

Postby jonbill » Sat Jan 13, 2018 2:53 pm

If you don’t turn the lights on, do the brake lights come on when you press the brake pedal?
Or do the brake and tail lights come on? Or none?

m1tch
Posts: 880
Joined: Tue Apr 04, 2017 5:59 am
OBD2 Code Reader?: Yes

Re: LED rear lights issue

Postby m1tch » Sat Jan 13, 2018 4:19 pm

Have you tried fitting them the other way around (as they are wedge) - also, does it state that these LEDs need additional resistors?

ihs61
Posts: 25
Joined: Tue Sep 27, 2016 5:48 pm
OBD2 Code Reader?: No
Location: Yorkshire & Limoges

Re: LED rear lights issue

Postby ihs61 » Sat Jan 13, 2018 5:31 pm

Lots of things to try,
With the brake pressed the brake lights come on
With the lights on I get the brake lights, then they just stay on with the pedal pressed
I have switched them around, they don't work at all
They are canbus safe bulbs with no mention regarding a requirement for further resistors
Incidentally the car is a 2005 Face lift.
Cheers Ian

jonbill
Posts: 597
Joined: Fri Nov 27, 2015 11:17 am
OBD2 Code Reader?: Yes
Location: Northampton, UK

Re: LED rear lights issue

Postby jonbill » Sat Jan 13, 2018 8:30 pm

It does sound like a bad earth - except they’re diodes and it can’t flow the wrong way. Maybe they’re just duff?


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