immobiliser warning light flickers

disco mk1, driving today the warning light for the immobiliser (car shape with a key symbol) came on flickered then went off, happened a couple of times. possibly a dodgy earth but not sure where to start looking, any one have any ideas?

Reply to
Paul
Loading thread data ...

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.