I was changing my radiator coolant today and decided to fit a new rad sender and water temp sensor in the inlet manifold.
Fired her up and the temp sensor in the inlet manifold wasn't working
Rad sender fine (79c-88c model).
So had to drain all the coolant and fit the old sensor back in the manifold!!!
Just wondering now before I go back to the garage is what resistance these sensors should have? How do I know how well they are working or if they are dead?
Have the dead one here in my living and I measured the resistance from the spade to the ground part = nothing, no reading.
(My gauge on the cluster is a few degrees out I believe. the fans switched off when the reading was about 82c but the new rad sender switches off at 79c)
Would old wires/sensors that increase resistance make the reading on the cluster gauge higher?
I understand as temp increases the resistance decreases.
The sensor should have some reading when I measure it between the spade and ground no?
Maybe I can modify the old one with a resistor to decrease the reading on the cluster by a few degrees for a more accurate reading.
Any idea what resistor I need? (Master Lonewolf?)