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[Healeys] Light Circuits

Subject: [Healeys] Light Circuits
From: kentmclean at comcast.net (Kent McLean)
Date: Wed, 04 Apr 2012 16:26:09 -0400
References: <mailman.4.1333562402.4406.healeys@autox.team.net>
Jack Feldman wrote:
> You only need one relay for both high and low beams.

I think a better solution is multiple relays.  If that single relay
fails, you are suddenly in the dark. The overkill solution is 4
relays -- 1 for each high and low beam. Plan B would be 3 relays,
1 for the high beams, and 1 for each low beam; if the high beam
relay dies, you still have the lows. If a low beam relay dies,
you still have the other low beam.

Here's a simplified diagram using 1 relay for the low beams, 1 relay
for the high beams:

<http://www.humanspeakers.com/audi/headlight-simple.htm>

-- 
Kent McLean
'56 100 BN2

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