Need a hand identifying what these two plugs are. Engine is a '98 Impreza EJ20 (N/A).

The first:



The round one with the hex centre. Located here, above the left lead plug:



Second one:



Located under the two throttle cables here:



Reason being, I snapped my centre dash cover lid & decided rather than taking the easy option of replacing it, I'd do a triple gauge install to actually try and work on something vaguely mechanical/electrical... was going to use a t-piece where the factory sender is but there isn't enough room so need another spot.

Sandwich plate isn't an option either. Don't really like the idea of a potential oil leak onto the exhaust...