Re: Headlight conversion to LED? - Saab Sonett Bulletin Board - Saabnet.com
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Re: Headlight conversion to LED?
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Posted by BradW [Email] (#3273) [Profile/Gallery] (more from BradW) on Sun, 18 Feb 2024 14:15:01 Share Post by Email
In Reply to: Re: Headlight conversion to LED?, eric in vermont [Profile/Gallery] , Sat, 17 Feb 2024 05:24:23
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22AWG is pretty small as wires go. A typical LED Headlight will draw something like 12 watts, so that's well under the 84 watts (or 68 watts with the 20% capacity margin). I guess you have to double that 12 watts to 24 watts for a pair of headlights.

So next step would be to figure out what wiring is running from the lighting switches to the relays. If it's bigger than 22AWG then this crazy concept is theoretically possible without messing with the switches.

I generally concur with your notion that keeping things the way they are is simpler than any modification, but trying to decode the relays and find modern ones and getting the hookups right is complicated for the non electricians among us, not impossible of course, just complicated. I actually have a couple of brand new relays from SweedSpeed, so will probably plug those in first anyway (although their labeling varies from the OEM relays).

But, it's still a 50 year old car and if I can eliminate an unnecessary connector anywhere I will gladly do it. So, a wire running from light switch to headlight would be less prone to contact oxidation (because there are fewer connections), and a part (relay) that doesn't exist can't fail.

All fun stuff to think about!

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