What causes a rev counter to give high readings?

[32evo]

As above!! Would a faulty voltage stabiliser cause this problem?

[joker]

what rev counter are you using mate ?

[32evo]

what rev counter are you using mate ?

 

Its a standard mk1 Capri/Escort rev counter

[joker]

you can try with other rev counter to be sure if theres a fault or not mate

[dragaddict]

as joker said and you can try to chech the earths if it has good contacts

[joker]

if you have a auto meter one send to me a fix it to you mate i will send it back

[Guest MK1gaz]

Standard ford rev counters are foooooooooooooooooooooooooooooooookin shiiiiiiiiiiiite , best chuck it in the skip

[jayson2.3pinto]

a heavy foot can cause this