A "hardwire" version of the low impedance torque converter clutch (TCC)
solenoid was never produced by ford. However, an early low impedance
tcc solenoid can be modified to work with the later hardwire circuit
board setup by removing some plastic from the tcc solenoid housing.
The original tcc solenoid with the "softwire" 1993 crownvic tcc solenoid
(Picture courtesy of 93_Marquis on
www.crownvic.net)
The 1993 crownvic tcc solenoid modified to work with the 1998+ hardwire
circuit board setup.
(Picture courtesy of 93_Marquis on
www.crownvic.net)