Century V6-231 3.8L (1985)
1.
This check bypasses the relay and applies bat + direct to the fan through CKT 532. At this point the fan should run.
2.
Checks to see if problem is the control relay, wiring or ECM.
3.
Checks for presence of ignition voltage to relay black connector terminal A.
4.
Checks for presence of bat. + to relay gray connector terminal B.
Fig. 002 - WIRING DIAGRAM for Chart C-12A Coolant Fan Check - Single Speed Coolant Fan. VIN 3