Got mine back today with the new harness and on the ride home The Vue GL seemed to run and shift much smoother (maybe it was because I just got out of a Cobalt rental). I'll check mileage with the ScanGuage on my commute tomorrow and see if there is any mileage improvement. On the downside, I had the sticky switch problem and told the service rep at the dealer I wanted the switch replaced, not lubed. Guess what...they lubed and cleaned it. I went to the service manager and told them the old switches were junk and he agreed but said he had to lube them first per Saturn. So I told him if it stuck they would be paying a wrecker fee as I wasn't about to lose another days pay when they should have just replaced the thing.