[Healeys] Replacement Turn Signal Relay.

[Michael Oritt]

Avoiding toasted wires and appliances trumps originality for me and I try
to protect all circuits with either cb's or fuses and to separate
applications as much as possible.Though some well-respected Healey service
people think otherwise, I have never understood the concept of not
protecting headlights.  Yes, a fuse might burn or a cb might trip, taking
the lights out but, lacking protection, whatever caused that to happen
would probably burn up the wiring.  As to the original setup which used a
50 amp fuse I think one may as well have used a nail.

BTW I wonder what The Stones meant when in "You Can't Always Get What You
Want" they sang:

*And I went down to the demonstration *
*To get my fair share of abuse *
*Singing, "We're gonna vent our frustration" *
*If we don't, we're going to blow a 50-amp fuse" *

Maybe one of them owned a Healey?

Best--Michael Oritt

On Fri, Mar 20, 2026 at 2:04 PM Hank Leach via Healeys <
healeys at autox.team.net> wrote:

> Yes, and time for a reminder to fuse the tail lights *red wire* as if in
> a rear end collision the shorting of the lamps could burn all the way down
> to the panel. At the same time the headlights, which are also unfused,
> could use an inline unit at the* blue wire* of the headlight switch. Not
> much fusing on the Healeys which makes for good Lucas smoke. Hank
> --------------------
>
> From: "Michael Salter" <michaelsalter at gmail.com>
> To: <healeys at autox.team.net>
> Sent: March 20, 2026 at 9:50 AM PDT
> Subject: [Healeys] Replacement Turn Signal Relay.
> All Big Healeys prior to the later Phase 2 BJ8 use a Lusas 33117 relay for
> the turn signals. This relay connects the appropriate lamps to the turn
> signal flasher unit, overriding the brake light switch on turns.
> These Lucas relays were a very primitive (by today's standards) but very
> robust unit and could withstand a short circuit as often happens with the
> glass lens type 594 turn/side/brake lamps used on these models at least
> until the fuse blew.
> Within these lamps it is very easy to produce a short to ground.
> Over the last few years replacements for these relays have been
> provided, under the Lucas name and the same 33117 part number, which have
> been completely redesigned and incorporate 2 modern G2R-1-E relays.
> I have purchased 2 of these modern style relays and both have failed
> because the  G2R-1-E relay relays don't seem to be anywhere near as robust
> as the originals and fail before the 35 amp fuse can protect them..
> So, a word of caution, if you are using one of these (improved) cheapo
> repo turn signal relays, be very careful to avoid short circuits in the
> turn/brake/side lamps.
> The attached pics are of the original type and the circuit board from the
> "improved" replacement.
>
> M
>
>
>
>
>
>
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