[Healeys] Electrical Relays for Lighting System

Awgertoo at aol.com Awgertoo at aol.com
Thu Oct 29 09:32:31 MST 2009


Not to seem to0 "PC" but the terms "modern" and "slave" seldom seem to  
appear in the same sentence anymore.  Usually "slave" has been  supplanted by 
"secondary".
 
Best--Michael Oritt
------------------------------------------------------------- 
 
In a message dated 10/29/2009 11:15:13 A.M. Eastern Daylight Time,  
bspidell at comcast.net writes:

Just  noted in _Auto Restorer_ there is a modern, modular, solid-state 
equivalent of  a bank of relays available for retrofitting older cars. 
Essentially, one  control module sends low voltage signals to remote 'slave' modules 
that in  turn switch battery power to lights, etc. (of course, this is how 
it's done in  new cars). 


bs 

-------------------------------- 
Bob  Spidell - San Jose, CA 



The artickle is spot on and it is a  very worth wile and simple mod for 
all heavy users: headlights, spot/fog  lights, horns, heater motor, fan 
motor, wipers etc. 
It has been  covered several times on this and various other lists. 
Kees Oudesluijs  


Ron Ray schreef: 
> Folks, 
> 
> A friend has  asked for opinions on the merits of installing relays to 
feed 
> the  headlights on a Bugeye Sprite. He read an article online that 
claimed 
>  relays would decrease the amount of current going through the ignition  
> switch. The article stated that there is a lot of resistance in the  
> headlight switches that drops the voltage and creates heat, thus the  
switch 
> fails earlier, and the headlights are not as bright as they  would be 
with 
> relays. The article also claimed that with the relay,  the voltage goes 
> straight from the battery to the lights so the  current carried by the 
switch 
> is lower so it last longer, and the  lights are brighter. 
> 
> I can forward the article to anyone  interested. 
> 
> Thanks in advance for y our thoughts. 
>  
> Ron 
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