Rev pulse

[s88urd]

Hey all, got a 2003 172, does anyone know the colour or wire which controls the rev pulse?
I know it will be on the connector block on the back of the dials, just need to know which wire it is
cheers

 

[BrianR]

PINK with brown and cream tracers. Terminal 7 connector "C"

 

[s88urd]

is this behind the dials?