Also check the various earth cables. On my Mk7.5 there's at least 3 I've found: from battery (was poorly connected due to painted contact), engine to body on driver's side and under the glove box near fuse box. Any of those being loose could cause intermittent faults. 1.
Posted April 23, 2009. hi i have a fiesta mk5 51 plate my boot release button works when it wants but when it does ive got to keep on pressing it but u hear it working then after 5 goes it opens but now it does not work what can this be cheers. dont know if its the same as my EX mondeo ,but I had the same problem it was worn/dirty contact on
GZMyK.