JCONTRERASAC Posted August 27, 2023 Report Share Posted August 27, 2023 I have a 2007 ford edge. Found the fans not working replaced the assembly and they work for 5 min, replaced them again, they worked in my drive way for 30 min. So i went for a drive and after 20 min on the road the car over headed. Both fans were not running so i towed it home and replaced the T-Stat then flushed the radiator out. Add new coolant. I ran the car for 5 min at 3500 RPM then at an idle. add a little more coolant. Both fans running, however when you turn the car off the both fans still run. pulled the plug going in to the module i have 13 volts going in and out of the fan module that came with the fans. Disconnected the plug coming out of the module to the fan and left off for 3 days. Then put back on and the fans still run. What sends power to the module. WHy would the fans stay on even after the car has been off for days Quote Link to comment Share on other sites More sharing options...
1004ron Posted August 27, 2023 Report Share Posted August 27, 2023 OEM or 3rd Party fans and controller? Quote Link to comment Share on other sites More sharing options...
JCONTRERASAC Posted August 27, 2023 Author Report Share Posted August 27, 2023 3rd party I put the old module back on the car from the original fan and they still run 1 Quote Link to comment Share on other sites More sharing options...
1004ron Posted August 27, 2023 Report Share Posted August 27, 2023 There's an abundance of reports on here of the 3rd party units not functioning and folks had to cough up and go with OEM. 2 Quote Link to comment Share on other sites More sharing options...
DILLARD000 Posted September 1, 2023 Report Share Posted September 1, 2023 On 8/26/2023 at 10:07 PM, 1004ron said: There's an abundance of reports on here of the 3rd party units not functioning and folks had to cough up and go with OEM. Yep, learned that the hard way. FanControlModule\FCM, mounted on the upper left corner of the FanCowling is a NotoriousFailureItem, along with the electric FanMotors themselves. Many of the aftermarket FCMs (Gates, Dorman, Chinesium,...) claim to be fully compatible replacements but in fact are NOT. Original FordMotorCraft version is PWM Switched on the negative side of the circuit; most of the aftermarket versions are PWM Switched on the positive side. Many aftermarket versions do not fullly communicate with the PCM; do not go full fan speed when needed &\or generate random TroubleCodes. Best to just tolerate the Ford parts money grab & divy up for new OEM ControlModule & FanAssembly. Quote Link to comment Share on other sites More sharing options...
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