I bought one of these:
http://www.amazon.co.uk/gp/product/B002WHDZCO/ref=oh_details_o05_s00_i00?ie=UTF8&psc=1

a Gunson 77032 fault code reader for my early ('93) Silvertop Zetec.
Has both 3 and 5 pin Ford connectors...


Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW