I just got my new Impact Wrench, the Ingersoll Rand 2132G 1/2-Inch Edge Series. It’s amazingly quiet, and has plenty of torque. If you still have a cheap-o impact I highly recommend getting a decent one, there is not substitute.
Electrical Connectors – Best tools for your garage
American Terminal E-FMB250N-100 16/14-GaugeEconomy Nylon Fully-Insulated Male Quick Disconnects American Terminal E-FFB250N-100 16/14-Gauge Economy Nylon Fully-Insulated Female Quick Disconnects