One enterprising company created the Moto-Meter, a temperature gauge mounted on the radiator. As manufacturers began to incorporate coolant temperature gauges, the Moto-Meter disappeared ...

Open the hood and find a place to set your multimeter. Open the coolant reservoir or radiator cap to access the coolant. Pro Tip: If you don’t see any coolant in the reservoir, or at the top of ...

Here are some of the best-ranked examples on Amazon. This radiator hose pipe joint features a 1/8 NPT threaded hole for a water temp sensor and comes in many sizes to match your radiator hose.