Jack,
I don't understand what you are describing. If you are using only one
relay for the lights and the low beam side is normally closed, then
doesn't the full current for the low beam lights still go through the
light switch? Or am I missing something?
Charles Hill
On 4/1/2012 9:31 PM, Jack Feldman wrote:
> I am all for adding relays to our car. I have had extensive electrical
> upgrading on my Healey and am waiting my next at the shop to get the same
> things done for the BGT. Turning on the ignition activates a 72A relay
> which switches power directly from the battery terminal on the solenoid to
> an eight position fuse block.
>
> You only need one realy for both high and low beams. Most relays have two
> sets of contacts. One normally closed, and one normally open. The low beams
> go through the normally closed contacts. When you want the high beams you
> activate the relay and the normally open contacts close and the normally
> closed contacts open. That way the most used low beams are activated
> passively and the relay is only used for high beams.. In the unlikely event
> of a relay failure, you always have the low beams.
>
> BTW, The 75A realy is fused, and the light relay is activated by the light
> switch with the current for the headlights coming directly from the battery
> through a fuse on the block. The block uses blade fuses.
>
> The block and relays came for www.ties4less.com. No interest other than a
> satisfied customer.
>
> Jack
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