[91cobra5.0]

trying to put my tach back in but its not registering rpms right, it just sits way at the top of the tach and doesnt move,

the thing is though that i hooked it up just like it was before so........

its an after market coil, (msd)

 

[neverfastenough1]

What color are your wires? Still should be marked with a - symbol.

 

[e3sean]

pull the plug and look inside the socket it will say + and -

 

[91cobra5.0]

ok ill have to do that 2marrow