Hello im going to sort of bullet point it and go from there hopefully a guru can help .there is not glow plug light at all when ignitions on .the car will turn over but wont fire .changed 109 relay . Checked the 3 amp fuse feeding the relay .tried towstarting there was no speedo aswell (if that helps) .the led comes on then gos off when turning vehicle over but iv lost central locking Iv done timing belt is there a sensor i could have left off causing this not that i think there is thanks in advance