Maintains current working disinclination (8)
I believe the answer is:
aversion
'disinclination' is the definition.
(I have seen 'Strong disinclination ' mean 'aversion' so perhaps 'disinclination' could also mean 'aversion')
'maintains current working' is the wordplay.
'maintains' becomes 'avers' (averring is a kind of maintaining).
'current' becomes 'I' (symbol for electric current).
'working' becomes 'on' (on can mean working or activated).
'avers'+'i'+'on'='AVERSION'
(Other definitions for aversion that I've seen before include "A strong dislike for something - turn away from it" , "phobia" , "Disgust" , "A feeling of dislike or reluctance" , "horror" .)