Comprehensive GTO LED conversions, 64-74 - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 05-29-2019, 01:58 PM Thread Starter
 
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Comprehensive GTO LED conversions, 64-74

As LED technology continuously improves every day and prices continue to drop I am looking to replace all of my conventional bulbs with their LED equivalents. I would love for people to chime in on their experiences with some of the brands and products out there they have had direct experience with and I would also love it if https://www.diodedynamics.com/ chimed in here too.

If Diode Dynamics would chime in on the attached image supplied from the AMES's catalog I would greatly appreciate it. I know they offer a good number of the bulb numbers listed but I am unable to find them all in the correct colors also. If they have everything and they came up with a "kit" with optional colors that would be amazing. I did this on my daily driver and what a huge difference it made in not only my visibility to other drivers but also in aesthetics and my own visibility. I mention Diode Dynamics specifically, thought I don't know how to "mention" a member in a post (newbie...), because of all the research I've done, I'm really impressed with the quality they provide.

No one has a comprehensive "kit" or even a list for replacing all lights with LED's that I can find. Below is an image from AMES's catalog listing the standard bulb part numbers. I have found most of the LED equivalent's but I find myself having to go to multiple brands and therefore I know I will end up with varying degrees of light shade, quality and performance. I'm really excited about some of the LED headlight options out there like this... https://www.opgi.com/gto/1968/lamps-...ights/CH30846/ though they do come with a steep price tag.

Another item AMES provides which is convenient is a LED relay for hazard lights and for hazard lights. Some LED manufacturers, I believe, have an inline system to eliminate the rapid blink that would come from not replacing the relay. I'm curious if what AMES provides is universal for any LED installed in a blinking light position or not. AMES does provide a good number of the common LED replacements but LED's are so common now having options is not too much to ask for...

There are a lot of posts here and there about specific bulbs and specific bulb locations but I was hoping to start something more comprehensive for those who want to add a subtle modern touch to their classic goat.

Thank you in advance for your posts.
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post #2 of 4 (permalink) Old 06-26-2019, 05:27 PM
 
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LED Lights

I have replaced all except the headlights with superbright LED lights. The turn signal flasher needs to be suitable for led and incandescent to flash at a normal rate. I also installed flashback front turn lights that are white on and yellow flash. I am going to wire the running front to DRL when the key is on for a more modern look. I bought everything on Ebay
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post #3 of 4 (permalink) Old 07-18-2019, 11:09 AM
 
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I'm looking at installing LEDs too. Very little info on GTOForum about LEDs
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post #4 of 4 (permalink) Old 07-19-2019, 12:50 PM
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Quote:
Originally Posted by John Schutt View Post
Very little info on GTOForum about LEDs
I think the reason for that is twofold:

1. Expense
You can buy cheap LEDs but you get what you pay for; poor optics and construction. The truly good ones from the major manufacturers cost 2-3 times or more than an incandescent. Plus having to purchase a good flasher can to make it all work correctly.

2. Tradition
IMHO LEDs don't look right in an older classic car. Especially the replacement LED fixtures. I prefer the soft glow of an incandescent bulb.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Technical and Electrical Wiring

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