led blow out

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=81041
Printed Date: May 12, 2025 at 3:03 AM

Topic: led blow out

Posted By: mark8623
Subject: led blow out
Date Posted: July 31, 2006 at 11:42 PM

i have 5mm led on a quad. I never got them wet never even took quad out. 20 off of my batery. i have them all directly to negative and a wire to positive going to a rocker then branching out. I fliped them on and i saw smoke. I looked and it burned the caseing right off the wire ad the 16 guage wire was fried any info on why something like this would happen and hot to prevent it.

Replies:

Posted By: ff-mike
Date Posted: August 01, 2006 at 3:38 PM

You cannot wire an LED directly to the battery, a current limiting resistor is needed.

Posted By: mark8623
Date Posted: August 01, 2006 at 8:41 PM

they are built in the led only the negs were wired the positive is the 1 that fried.

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