tac problem

[Focklerx33]

so i put a sunpro tac in my truck and it said to taping the brown and yellow striped wire to get rpms. i did it it worked fone for over 6months the other day say when im in 4 gear at 2000rpms now its only reading like 500rpm and when i rev it up it normaly is 4500 to 5000 rpm its only 2000 rpms any ideas

 

[fastpakr]

Pull your ignition module and have it tested at your nearest chain auto parts store. Advance Auto can do it for free, not sure about the other stores.

 

[Focklerx33]

iv tryed they said it has to be a 1996 or newer

 

[fastpakr]

I'd call around. The ones here had no problem at all testing my '94.

 

[Focklerx33]

okay can u tell me how to get this out??