Stan,
When I did this to my car:
the relays are installed near the fuse box in the engine compartment,
a second fuse box was added next to the original fuse box for the
headlights and the electric fan
fused circuits were added to fuse the hi and lo beams independently
new larger gauge wires were run to the headlights.
Rob
74 TR6 daily driver
At 1:28 PM +0000 5/2/07, Foster, Stan wrote:
>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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