Pardon my apparent/actual lack of knowledge regarding S70s, but I have noticed that there's an empty slot on the three slotted computer bay. As far as I can determine my GLT currently houses a transmission and an ECU module, leaving an empty slot.
This would indicate that there might be an another module to be added. But if so, what would it be?
I have noticed that some of the last 850 wagons actually carried three modules, what functions did the third one perform? And is there anything to be gained by additional modules, or better, is a third module needed in a 98 S70 GLT?
Thanks
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