What is this?

[bottomlesspit]

Hi, anybody advise as to what this is please?. All connections vanish into the bulkhead so cannot see what connects in or out. TIA.

 

[Cantata]

Fuel pump for diesel heater.

 

[bottomlesspit]

Thankyou..

 

[sailorman]

Hi, anybody advise as to what this is please?. All connections vanish into the bulkhead so cannot see what connects in or out. TIA.

heater tic tic pump there should be 2 wires fitted to it