Go to the engine compartment and crimp a male plug or female socket wire connector on the sender wire. Youll need to tap into a key switched power source again as the water temperature gauges are externally powered.
Wire Water Temperature Gauge
How to wire water temp gauge. Clip the gauge light into the hole in the back of the temperature gauge. Place the eyelet over the gauge stud marked s connect it to the sensor probe. I needed a temp gauge on my 1950 gmc and the one on the 1988 suburban instrument. Connect one wire from the gauge light to a grounded metal part of the vehicle chassis using an existing bolt or self tapping screw. Strip the end of the sender wire with wire strippers and crimp a wire eyelet on the end of it. Tighten the nut with a socket.
Connect the other wire to a positive 12 volt wire from the dashboard lighting circuit using a wire tap splice. Installing a water temperature gauge is just as simple as installing the tachometer was regardless of whether you are installing a mechanical gauge or an electrical gauge. Connect it to the sensor probe. In this episode i will show you how to install a aftermarket coolant temp gauge the fast easy and best way.