AO Platinum Member
Join Date: Aug 2003
Location: London, England
The resistors just lower the fan speed.
As the v6 has two fans, it has two resistors, one for each fan.
The resistors obviously don't need to heat up to work! they get hot through the process of working and need to be in the fans airflow to cool them. They have a small thermal fuse (the tiny silver tube) on the resistor module to cut the current should the fan seize.
Did you test the resistor(s) with a test meter?