Unplugging the DRL diode disables the DRL circuit for all 1997 - 2003 models.
Replacing the photoresistor disables the auto lights for all 1997 - 2003 models.
Pulling the DRL FUSE disables BOTH, but only for the 1997 - 2001 models.
I knew one of them did not work because it would just cause a relay to go crazt
00' GTP 350/420 - Retired
98' GS - Sold
Current - Lexus ES300