Help car keeps blowing fuses

[Aaron boness]

Put a new earth strap from chassis to gearbox at first all was fine now keep blowing fuses for speedo head u can put new one in with car running when stationary speedo head all works fine soon as u go backwards or forwards it blows it please can any one help

 

[MicKPM]

You will need to fault find the circuit then chap. It could be a fault within the car or it could be the cluster itself.

You will possibly need professional help as you will need more than just a few screwdrivers I'm afraid.