Lucas model type 99SA
Lucas part number's 34531 & 35466
OEM part number RTC1150.
After Market no. 2-7239, 083.430.
The function of the switch is to prevent starting while in gear, and will only function correctly i.e. allow Ignition to ignite when in park mode or neutral.
If purchased your item will be very carefully packed and dispatched the same day payment is received.