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Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 9:29 am
by prageeth
Hi
I'm in the middle of installing LEDs for my dash. I noticed Climate Control's LCD does not light up with 12v LEDs. I'm talking about the 2x T4 or T5 bulbs at the back of the LCD screen. When I checked, they are 5v with 'Ignition On' and 7v with 'Park Lights On' or other way around, but definitely not getting a 12v. Has anyone come across this issue before?
Other 2 LEDs for buttons of the climate control work fine with 12v LEDs.
Cheers and thanks.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 9:39 am
by Supplanter
They normally dim when you put your lights on.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 11:22 am
by prageeth
They do. But I reckon that function won't work if I replace factory bulbs with LEDs.. obviously. I'm happy if they just light up and stay with the same brightness.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 11:25 am
by kiz
I'm pretty sure people have already done this. I can't remember who, but someone will probably pipe up about it soon enough

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 12:38 pm
by Shhtuart
Supplanter wrote:They normally dim when you put your lights on.
This man is the local expert of all things electrical.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 12:49 pm
by kiz
Shhtuart wrote:
Supplanter wrote:They normally dim when you put your lights on.
This man is the local expert of all things electrical.
Some say he can put a "spark" in your life

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 1:13 pm
by ObsidianRadio
kiz wrote:
Shhtuart wrote:
Supplanter wrote:They normally dim when you put your lights on.
This man is the local expert of all things electrical.
Some say he can put a "spark" in your life
Others say it's an enlightening experience

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 6:19 pm
by Shhtuart
ObsidianRadio wrote:
kiz wrote:
Shhtuart wrote:
Supplanter wrote:They normally dim when you put your lights on.
This man is the local expert of all things electrical.
Some say he can put a "spark" in your life
Others say it's an enlightening experience
I've heard he's every down to earth.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 06, 2015 8:21 pm
by SchumieFan
I heard he likes his balls tickled with two hands...

http://ftoaustralia.com/v3/viewtopic.php?f=23&t=1891

Re: Installing LEDs for dash gauges

Posted: Tue Apr 07, 2015 4:00 pm
by prageeth
Thanks. I saw that post. But for some reason, 12v LEDs don't light up behind the climate control's LCD panel.

Re: Installing LEDs for dash gauges

Posted: Tue Apr 07, 2015 8:58 pm
by Moused
prageeth wrote:Thanks. I saw that post. But for some reason, 12v LEDs don't light up behind the climate control's LCD panel.
Potentially stupid question, but figured I should ask.. The polarity isn't the cause, right?

Re: Installing LEDs for dash gauges

Posted: Tue Apr 07, 2015 11:52 pm
by kiz
Moused wrote:
prageeth wrote:Thanks. I saw that post. But for some reason, 12v LEDs don't light up behind the climate control's LCD panel.
Potentially stupid question, but figured I should ask.. The polarity isn't the cause, right?
Well LEDs will only work one way around, so very probable

Re: Installing LEDs for dash gauges

Posted: Sat Apr 11, 2015 10:22 pm
by Supplanter
I currently have LEDs in the climate control, they do dim when the lights are turned on.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 13, 2015 11:13 pm
by prageeth
kiz wrote:
Moused wrote:
prageeth wrote:Thanks. I saw that post. But for some reason, 12v LEDs don't light up behind the climate control's LCD panel.
Potentially stupid question, but figured I should ask.. The polarity isn't the cause, right?
Well LEDs will only work one way around, so very probable
Thanks, but I was aware of it. On these dials negatives are on the top and positives are below. I checked it in the first place.

Re: Installing LEDs for dash gauges

Posted: Mon Apr 13, 2015 11:15 pm
by prageeth
Supplanter wrote:I currently have LEDs in the climate control, they do dim when the lights are turned on.
That's great. I might give mine another go. I'm pretty sure my LEDs are not dimmable.

Re: Installing LEDs for dash gauges

Posted: Fri Apr 17, 2015 8:20 pm
by Moused
prageeth wrote:
kiz wrote:
Moused wrote:
prageeth wrote:Thanks. I saw that post. But for some reason, 12v LEDs don't light up behind the climate control's LCD panel.
Potentially stupid question, but figured I should ask.. The polarity isn't the cause, right?
Well LEDs will only work one way around, so very probable
Thanks, but I was aware of it. On these dials negatives are on the top and positives are below. I checked it in the first place.
Seemed like you would've, but figured I'd ask just in case... Nothing worse than banging your head against a wall trying to figure something out, and the cause is so simple.

Re: Installing LEDs for dash gauges

Posted: Tue Apr 21, 2015 3:57 pm
by prageeth
Moused wrote:
prageeth wrote:
kiz wrote:
Moused wrote:
prageeth wrote:Thanks. I saw that post. But for some reason, 12v LEDs don't light up behind the climate control's LCD panel.
Potentially stupid question, but figured I should ask.. The polarity isn't the cause, right?
Well LEDs will only work one way around, so very probable
Thanks, but I was aware of it. On these dials negatives are on the top and positives are below. I checked it in the first place.
Seemed like you would've, but figured I'd ask just in case... Nothing worse than banging your head against a wall trying to figure something out, and the cause is so simple.
Yes you are right. That has happened to me a lot of times, simple things seem to be forgotten easier.