Drivers side fender. You access it from the wheel well by removing the inner fender connectors. Here's how:
Control Module Daytime Running Lamp (DRL)
Removal and Installation
1. WARNING: DAYTIME RUNNING LAMP CONTROL MODULE GETS VERY HOT DURING OPERATION. BE SURE DAYTIME RUNNING LAMP CONTROL MODULE HAS COOLED BEFORE HANDLING IT.
Remove screws retaining front side of front fender splash shield (16102).
2. Disconnect DRL control module electrical connector.
3. Remove screw retaining daytime running lamp control module to front fender apron (16054).
4. To install, reverse Removal procedure. Tighten screws to 9-14 N-m (7-10 lb-ft).
__________________ Richard
KB 2.1L, FRPP M5400-A Suspension System, FRPP Aluminum D/S, Shift Kit, High Stall TC, FRPP 3.73 Gears, Balanced Roller Cammed Engine, Edelbrock Performer Heads, Comp 270HR cam, AEM EMS, 3.5 Bar MAP, Zeitronix ZT-2 WB, FRPP 70mm TB, hardened AODE, modified UPR CAI, BBK O/R H-Pipe, Be Cool Aluminum Rad | 
1994 Mustang cobra lighting problems 
