This is likely to be a dangerous and potentially expensive (yes I know you said cheap) thread, Rob.
12V socket lighter dummy cover with chrome surroundhttps://www.amazon.co.uk/Socket-Cigarette-Lighter-Dummy-4H0919311/dp/B01GUGBSEO
Quote from: Pretzel on 01 April 2020, 14:2012V socket lighter dummy cover with chrome surroundhttps://www.amazon.co.uk/Socket-Cigarette-Lighter-Dummy-4H0919311/dp/B01GUGBSEOYou were had. £4.58 from TPS last year.