Positive Diff Locking

[isham-research.freeserve.co.uk at pop.pol.net.uk]

> The easiest way to design the diff lock actuators would have been with the
> vacuum/pressure pump (used in the door locks) to operate 1 side of the vacuum
> actuator diaphram (the other side open).

Perhaps, but central locking was an option not present on all cars.
Adding a pump would have meant weight and (yet more) wiring.

--
 Phil Payne
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