Quote:
Originally Posted by go_a_way1
This is going to be interesting. So how are you fitting both engines in?? I see you are running 2 ECU's one for each motor??
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You need the FRS ECU in order to run all the amenities. Power Steering, Tach, Speedometer, Fuel level, ABS, AC etc. The new box from MRS lets the ECUs basically talk to each other making alot of that stuff work. So yes, you do need the FRS ECU as well as the GM ECU.