Dave :
AFAIK, few TR4s came with backup lights. However, there are normally
two switches on the tranny cover for the OD (except for early TR2). The
switch near the center line allows for OD engagement in 3rd and 4th, the
one near the right side allows for OD in 2nd. These two switches are
wired in parallel, one side to ground, the other to the coil of the OD
relay.
If a backup light switch is present, I believe it will be on the left
side of the cover, and can be simply left disconnected.
Randall
David Moag wrote:
>
> Hello Listers,
>
> I bought a rebuilt A type TR4 O/D for my TR3B. It has two switches on it;
> the one in front is for wiring to the O/D switch, and the one in back is for
> Reverse lamps. Since my car doesn't have those, do I just put something over
> the 4 tabs on this switch to prevent shorts and leave it alone? Or does it
> also perform some unknown (to me) purpose and if so, what would I wire it
> to?
>
> Thanks for you patience on this one!
>
> Dave Moag
> 62 TR3B
> 77 Spitfire
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