[Healeys] Brake Relay/3rd Brake Light Troubles

[John Trifari]

A better way to do this on cars with relays is to use an AND gate (also
called a logic circuit).  There are two inputs and one output.  Inputs
connect to the brake lamp leads at the rear lights.  Output feeds to the
third brake light.  The brake light goes on only when you have two inputs
(ie from both brake lamps), eliminating the problem of a flashing brake
light when you use the directionals.  Advantages:  You are running wires in
the trunk--no need to run a wire off the relay and back to the rear end.  I
got the logic circuit for my set up on the BN1 from JC Whitney (part number
XM 138974--$6.49).  It's about 2x2x1 inches and fits easily in the trunk.
John Trifari  Golden Gate Austin Healey Club 
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-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at autox.team.net]
On Behalf Of John Sims
Sent: Saturday, November 21, 2009 8:07 PM
To: 'john close'; 'Healeys'
Subject: Re: [Healeys] Brake Relay/3rd Brake Light Troubles

See:

http://www.healey6.com/Technical/Modifications%20to%20Healey%20wiring.pdf

for the way I did it.

John Sims, BN6
Aberdeen, NJ
 
http://www.healey6.com


-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at autox.team.net]
On Behalf Of john close
Sent: Saturday, November 21, 2009 9:38 PM
To: Healeys
Subject: [Healeys] Brake Relay/3rd Brake Light Troubles

Hi Guys - Recently was rear-ended. I have a good body shop, and they did a
great job on the bodywork and paint, As I left the car off, though, I said
to
myself, "bet they'll screw up the wiring." Well, they did, along with
buggering up the fuel sender, which is the easy part to fix. I don't know
why
they couldn't just hook it as I  had it labeled, but they didn't like the
relay and took it out. Then they did a half-assed job of re-wiring it.

Ya, I know, take it back, but are you kidding? They did enough damage
already.
Anyhow, I spent a frustrating day trying to put things back in order, but
it's
still FUBAR. I think I can end my troubles by... getting drunk - naah just
kidding - I'd never do that...  No,I think it's where to connect the wire
from
the flasher relay box, terminal 5. I don't know where that sucker would go.
Please send help, Relay Experts.  - Thanks - JRC
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