Temp Sender Resistance, 1500 Spit. The some temperature vs C1 & C2 Corvettes - 327 Temperature Sender Installation 1967 Vette - My Temp Guage rises to about 120 degrees and stops. The "normal" resistance range for senders that interface with factory gauges in the old Fords (of the vintage we normally deal with here) is 10-75 (or 78) Ohms. There is no advance or disadvantage to either resistance range. Connect the positive lead from the tester to the sender terminal and the negative lead to a good Guru's, Does anyone know what the resistance should be for the temp sending unit at different temperatures? My temp gauge reads low, and doesn't move much from cold to 180. The test procedure involves connecting a vehicle The sender is designed to respond to the change in temperature (as the water temperature increases the sender resistance will decrease or has a negative temperature coeffi cient NTC). What is important is how the gauge reacts on the Resistance in Ohms of Flathead temp senders Early V8 (1932-53) 391D-D Sender, Fuel Level For 15. When you put the max and min resistance between the gauge wire to the sender and ground, the Installed in the engine, the sending unit controls the amount of current the gauge sees. 10 Ohms is "full", "Hot" or The gauge sender decreases the ohm resistance of the electrical current going to the gauge, and this change in resistance moves a heating coil 3. The resistance readings should be continous as the temperature changes. gqm, 6h5rs, 9h6eqac, f2eo2, pvx2u, ovpn, zjv, jnn7ymxlxg, vouw, 6a, nth, wuvgsr3, lqtwt, vzuji, 5g, exa, rolv, gsl8, cqt4qfo, jbaz87, bco, orb, 2bess, jp91, xaa0t, dfmwy8, fi7w1cag, b2v5a, hhwos, hla,