Not sure. There's a wiring diagram for the car here.
Type: Posts; User: 4Aaron GE
Not sure. There's a wiring diagram for the car here.
Be careful if removing the tach. The current cluster in my car is made from 3 different clusters. The seal at the top of the housing eventually becomes brittle and crumbles apart; moisture gets in...
Where are you located? Maybe someone nearby can lend you an ECU to try out.
What codes are you getting from the light?