Day Time Running Lights
Try Canadian Tire, Partsource, Car Quest, UAP/NAPA. There were kits available yeasr ago and may get one at above locations. Also you could try a wrecking yard.
All model years starting 1990 had to have these sold/made in Canada.
I think that all early fords all had the same module. So if you try the auto recyclers, just get one from any early 90's pick-up or SUV. The wiring harness is most likley in your truck. The modules were located behind the drivers side headlight, bolted to the rad support and facing the engine. If you have the harness, it is just a plug in and go. Be aware that the early ones were prone to fail as they got very hot. What i did was put a space (washers. nuts, etc.) between the module and rad support. This would stand-off the module and allow some air flow underneath for cooling the heat sink.
Hope this helps you, in fact I may even have one of the old after market kits laying around if you want to drive to Hamilton to pick-up.