firstly could someone tell me what this sensor is (located on bulkhead)

and i have a vts twin fan ready to fit to my vtr with the conversion, but the fan sensors do not match and i also appear to have 2 of them on my current vtr loom?
2 of same :

vts fan sensor :

any help appreciated

and i have a vts twin fan ready to fit to my vtr with the conversion, but the fan sensors do not match and i also appear to have 2 of them on my current vtr loom?
2 of same :

vts fan sensor :

any help appreciated