bmcc

How can you bypass the immobiliser?

Sorted now guys thanks

Hi guys, newbie here but not new to Corrados. Just picked up a VR6 and having some start issues with it, had a previous problem like this with my G60 which it ended up being the negative cable corroded. What i am getting is i turn key and i can hear fuel pump etc. but when go to start there is one loud audible click, if i leave key in turn on position it will repeat click every 3-5 seconds until i stop. When i connect jump leads to it from my daily it starts no issues at all. Where should i start in fault finding problem?