How to replace an Engine Coolant Temperature sensor connector, or almost any automotive wire connector! I'll also teach you where to buy wiring connectors, such as from @corsatechnic, an awesome supplier. Plus I'll show you which tools to use for car wiring, like affordable options from @iwisstools AKA iCrimp tools. The ECT sensor is very important for proper starting and running in most vehicles. Let's get this 4Runner 3VZ-E starting properly! - #carwiring #wiring #wireconnector #coldstart #car