Given that it is from Caterham it is likely to be locked; this is not insurmountable and a quick search will reveal examples of others doing just that.
It is now superseded by the MBE 9A4 but shares the same pin out, so for information here is that pin out detail: Pin Out Link
Needs to be put to good use by someone with skills.
£125 posted.
[Edited on 27/6/20 by GrahamC]