cooling relay

[1988talon22]

hey guys my car over heat so i was wondering how can u tell if the radiator fan relay is good or bad

 

[1Gdsmdriver]

use and ohm meter to find the to pins that have continuity and hook a pwr and gnd to the terminals and see if it clicks once it clicks/ if it clicks check the otehr two terminals for continuity if you get that then start testing for pwr where it plugs in you should have power at 2 terminals. one for pwr for the coil side of the relay and one for power to the fans

 

[landrocket]

get car to normal operating temp and test the wires going to the fan. if you have power the fan motor is bad or a bad connection at the plug. if you get no power then the relay or fuse is bad or a wiring problem between relay and fan.