I put the relays inside the tub, behind the dash and out of the weather. I
also included an automatic reset breaker since this circuit is unfused as
wired originally.
Here is an article that I have yet to add pictures but there is a wiring
diagram.
http://www.shoalsbritishcars.org/technical/tr6headlights.htm
Terry Geiger
'74 Triumph TR6 | '63 Triumph Herald | '70 MGBGT | '84 Mercedes 300D Turbo
Diesel
http://www.shoalsbritishcars.org/
----- Original Message -----
From: "Foster, Stan" <stan.foster@hp.com>
To: <6pack@autox.team.net>
Sent: Wednesday, May 02, 2007 8:28 AM
Subject: [6pack] Adding relays to headlamp circuit
> This is a question for anyone that has upgraded their headlamp circuit or
> has
> thought through a plan on how to approach the project.
>
> There seems to be two potential solutions.
>
> Plan A is to put the relays inside the tub, eg high up on the passenger
> footwell, and run the high/low wires through the engine bay along the path
> of
> the original loom.
> Pros for plan A are that all the relays and fuses are hidden inside the
> tub
> and out of the weather. Cons are that you need to connect into the
> under-dash
> wiring to trigger the relays and that the original headlamp wiring is left
> unused.
>
> Plan B is to put the relays under the hood, probably near the front, high
> up
> on the drivers side inner wing. Here the relays can be triggered via the
> original headlamp wiring (Daniel Stern includes a special adapter to
> connect
> into the headlamp loom socket for this purpose).
> Pros for plan B are that only one wire needs to go through the engine
> compartment to provide the main power, no work is needed under the dash as
> the
> original headlamp loom is used to trigger the relays. Cons are that the
> relays
> are now under the hood and are visible.
>
> A variant of plan B would be to put the relays next to the original fuse
> box
> and run longer high/low wires to the front and longer trigger wires back
> from
> the headlamp socket.
>
> If you have been down this path, what did you do ?
>
> Stan
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