BMC A Series oil warning light
In message , Brian-Gaff
writes
Are we sure that this light is not operated by a relay of some kind, rather
than by the sensor directly?
Brian, no, nothing so sophisticated. This is a 1968 Morris Traveller,
and the wiring for the oil pressure warning light runs from the ignition
to the bulb, then to the sensor for earth, with a fuse in circuit.
--
Graeme
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