Robbo wrote[QUOTE] Trundling down the M1 yesterday just before the Leicester exit the speedo suddenly drops to zero and no mileage recorded on from that. Now even *I* know I was moving! So, investigation of cable this a.m shows it's intact. It had a new drive at the wheel end about 6 months ago apparently. So what next speedo head ?[/QUOTE] Depends dunnit. Presumably you have actually checked the bits before the speedo are *actually* whizzing round in an appropriate manner? If this is the case then do as others have recommended.