I've looked under the dash on the drivers side and didn't see any heatsinks with wires coming out of them either
What does that have to do with DRL?
Notice individual relays for all the forward lamps. The BCM probably individually commands the relays for DRL operation. Looks to me like disabling it will have to be done to the BCM's programming.
2004 Impala LS - got some mods sold!!!
2009 Subaru Impreza WRX STI
NAIOA moderator Still Imp'n, just in a different Imp.