guys i really need someones help, im swapping my LT1 M6 into my V6 A4, the engine harness and all is good the motor is in and good minus a bad starter my dash gaugesworked for a little bit and know they are done does anyone know if you HAVE to swap out the interior harness aswell for the swap or not? can you please call me with any suggestions ill be out on my car so i cant really use my computer please call me at 410-920-9133

 

ive done this swap. you need to swap over all the wiring, from the chasiss to the dash harness, swapping complete dash is the best way to go with gauge cluster. fuel pump needs to be swapped, throttle cable along with the cruise cable.