Lotus Elan

Headlight Conversion from Vacuum to Electrical

PostPost by: Mr.Gale » Sat Oct 15, 2016 4:13 pm

This is a How-To covert a Lotus Elan vacuum headlight system to an electrical system. This video covers the conversion of the Lotus fail-safe headlights but the same idea could be applied to the earlier vacuum systems.

https://www.youtube.com/watch?v=_HLdt4Bhnto

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PostPost by: gearbox » Sun Oct 16, 2016 5:40 am

Nice presentation and thank you for sharing. I like others have been using the Miata or Supra headlight motors which gives a faster cycle which I had connected to my high beams, so flashing oncoming cars in day light is easier. But these motors are getting a bit harder to find and more expensive so your alternative is appreciated. Hardest part was to figure out the ratios and arm lengths and I ended up using a turnbuckle system with left and right handed threads. Do you have a link for the motor? Thanks again Allan
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PostPost by: Mr.Gale » Sun Oct 16, 2016 5:55 am

Hi Allen,
I'm glad you liked my video. This project turned out to be much easier than I thought it would be when I started and I'm pleased with the results. I new these actuators were not as fast as other options but here in California flashing your headlights is asking for a lot of trouble so real fast was not a priority.
Here is a link to the actuator that I use. http://www.actuatorzone.com/electric-mini-actuator
Model #PA-14, Stroke= 4', Force= 35 lbs, Speed= 2"/sec.
Thanks,
Gale
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PostPost by: c42 » Sun Oct 16, 2016 9:38 am

A very interesting solution, thanks for sharing.

John
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PostPost by: plus2-0174 » Sun Oct 16, 2016 11:46 am

Mr Gale, great solution!
Would you be so kind as to post the wiring diagram?
I know it's just a simple circuit, but I really need simple!
KISS - Keep It Simple Stupid!

Thanks, Ed
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PostPost by: prezoom » Sun Oct 16, 2016 3:40 pm

If you choose the electric motor option, the Miata/MX5 (littering the highways of the US) unit is pretty easy to find. I found mine from the SCCA Production Car web site, prodracing.com. Many have been removed in the conversion of these cars to racing specifications, and are just surplus, taking up room in the garage. So help with the finances of a club racer, by putting a little cash in his pocket.
Rob Walker
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1964 Sabra GT
1964 Elva Mk4T Coupe (awaiting restoration)
1965 Ford Falcon Ranchero, 302,AOD,9",rack and pinion,disc,etc,etc,etc
1954 Nash Healey LeMans Coupe

Owning a Lotus will get you off the couch
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PostPost by: Mr.Gale » Sun Oct 16, 2016 4:55 pm

plus2-0174 wrote:Mr Gale, great solution!
Would you be so kind as to post the wiring diagram?
I know it's just a simple circuit, but I really need simple!
KISS - Keep It Simple Stupid!

Thanks, Ed



Here ya go, Ed. http://www.actuatorzone.com/media/catal ... action.pdf
The positive wire that goes to the relay pin 5 is the wire I mention in my video that I attached to the fuse block. The positive that goes to pin 7 I attached to the headlight relay (or you could connect it directly to the headlight switch).
If you have any other question, please let me know.
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