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Member EV Projects => Add-On Projects => Topic started by: ted.lowe on December 28, 2007, 11:54:56 PM

Title: Converting EV lights to LEDs
Post by: ted.lowe on December 28, 2007, 11:54:56 PM
Jim Dawson was kind enough to give me 2  LED lamps for my S10 after he spoke on the subject (many months ago).

These are amber colored turn/parking lights for the front.  The http://www.heavy-dutylighting.com (http://www.heavy-dutylighting.com) part no. is HD1157YSD:

(http://www.fveaa.org/members/tedlowe/ftp/projs/led-bulb{IMG_3292.png)

Jim told me i'd probably have to change out the old (1992) thermal flasher for a new digital one because the LEDs use so much less current, the old ones think the bulbs are burned out and don't blink :-)

i happened upon this great article for modifying the blink-rate of a digital flasher in case i need to:

http://www.instructables.com/id/Automotive-electronic-flasher-rate-modification. (http://www.instructables.com/id/Automotive-electronic-flasher-rate-modification.)

It's a simple modification, replacing a fixed resistor with an external variable one to determine/adjust the desired blink rate.  Perhaps the blink rate could be synched with the tempo of the currently playing song   :D   Here's one of the pictures from the Instructable to whet your whistles:

(http://www.instructables.com/files/deriv/FK8/C7N7/F6S8RXK0/FK8C7N7F6S8RXK0.MEDIUM.jpg)

More later...
Title: Re: Converting EV lights to LEDs
Post by: terry.kane on January 02, 2008, 06:10:13 PM
Great post, Ted.  I found another source for the LED lights called www.superbrightleds.com.  I bought some home lighting bulbs from them and plan to put these on my EV when the time comes.  There are many advantages, as discussed.  Replacing the flasher relay is a small price to pay.

http://www.superbrightleds.com/carbulb-notes.htm

-TK