The big problem with a TR6 headlight circuit is that it is unfused. If
anything goes wrong, something is going to burn. I'd recommend adding an
automatic reset 25 or 30 amp circuit breaker to the circuit that is feeding
the light switch. Also, relays are a good idea because the factory light
switch isn't very robust, even under stock lighting loads.
Here is a web page on this particular subject, with wiring diagrams
included:
http://www.shoalsbritishcars.org/technical/tr6headlights.htm
Terry Geiger
'74 Triumph TR6 | '63 Triumph Herald | '70 MGBGT | '84 Mercedes 300D Diesel
http://www.shoalsbritishcars.org/
----- Original Message -----
From: "im sloane" <im_sloane@hotmail.com>
To: <6pack@autox.team.net>
Sent: Tuesday, July 10, 2007 7:53 AM
Subject: [6pack] Recommended upgrades for headlight circuit?
> Hi team,
> Almost burned up the 73 Six while working on the dash. Had the headlight
> switch removed, working on the rheostat, and apparently let the switch hit
> ground. Basically burned up the wires to the switch. Hopefully the damage
> is not too far inside the harness.
>
> Question: What are the most recommended upgrades to this circuit? I've
> read about circuit breakers, and relays, but didn't think I'd ever need to
> know because I'm not into aftermarked lights. Is there an off-the-shelf
> upgrade avaliable?
>
> BY THE WAY, if you don't have a quick battery cut-off, make it a priority.
> That has to be one of the most important safety items installed in the
> car. Thanks to our PO for this because it undoubtably would have caught
> fire. I went 20+ years without one in my 69.
>
> Sloane :)
> 69-Six, and brother's 73.
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