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Replacing instrument cluster bulbs

Printed From: the12volt.com
Forum Name: Lights, Neon, LEDs, HIDs
Forum Discription: Under Car Lighting, Strobe Lights, Fog Lights, Headlights, HIDs, DRL, Tail Lights, Brake Lights, Dashboard Lights, WigWag, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=71973
Printed Date: April 25, 2024 at 11:11 PM


Topic: Replacing instrument cluster bulbs

Posted By: Texas Dodge
Subject: Replacing instrument cluster bulbs
Date Posted: February 01, 2006 at 12:34 PM

I plan on replacing all 11 of the instrument cluster incadescent bulbs with blue leds. Will I need to install resistors for them or can I just remove the old bulb from the plastic twist and lock base, installing the led and reinstall the base back in the cluster? The leds are 12 volts and are 18~22 ma.

Thanks for any help.



Replies:

Posted By: ingolf
Date Posted: February 01, 2006 at 9:31 PM
you will need a current limiting resistor.

otherwise your led's life will shorten alot.

use an led resistance calculator



Posted By: blazinred99
Date Posted: February 02, 2006 at 8:24 AM

https://www.superbrightleds.com/mini-wedge.html

If your cluster uses the 194 or the 168 bulb buy some of these.  they have resistors in them already so you won't need resistors.




Posted By: Texas Dodge
Date Posted: February 02, 2006 at 9:28 AM
My truck has #74's in it. I am replacing them with these from discountleds.com



Posted By: haemphyst
Date Posted: February 02, 2006 at 10:25 AM
Texas Dodge wrote:
My truck has #74's in it. I am replacing them with these from discountleds.com


You wont need current limiters... already in place with those items...

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It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."



Posted By: Texas Dodge
Date Posted: February 02, 2006 at 10:38 AM
Thank you very much. Good news to hear.posted_image


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