Rpm gauge not working

[only 5e in mullingar]

Wel lads fitted a new box to my gt yesterday since it was done I've no rev gauge any ideas what it could be?thanks

 

[only 5e in mullingar]

any help on this lads?

 

[conorIRLgt]

I'd the same problem found it to be the black wire coming out of the diagnostic plug was broke hope this helps

 

[only 5e in mullingar]

I'd the same problem found it to be the black wire coming out of the diagnostic plug was broke hope this helps

il have a look tomorrow has to be a wire only happened when i changed the box yesterday

 

[omikron]

look under the dash near the fusebox for a WHITE WIRE ON A WHITE P,UG ENSURE IT IS PLUJGGED IN