golf gt tdi mk4 abs sensor 'i' light on

[steve1980]

hi i have the chance to replace my clio for a 1999 vw golf gt tdi with 100k on clock, only trouble is guy tells me the abs works fine but the front sensors have been removed and it needs tlc with the electrics and the 'i' light is on. i have been told this could be cause the sensors have been removed or its the steering angle sensor or something. i would have thought if it was the sensors then removing them would stop any lights coming on once they are reset! what could be the real problem here any ideas of what it could be and cost roughly please please help. i dont mind spending a little but again dont want to have a death trap cocting too much to repair for myself to be in or my family etc thanks steve