Here are the common approaches, ranging from easiest to most involved:
* Check your headlight switch: Some 1996 S10s *might* have a headlight switch with a position that disables DRLs, although this isn't typical. Carefully examine your switch's positions; an unusual setting might deactivate them.
* Relay Bypass (Advanced, Requires Electrical Knowledge): This is the most common method if the DRLs are controlled by a relay. You'd need to locate the DRL relay (often in the underhood fuse box), disconnect it, and potentially bypass it. This is only recommended if you are comfortable working with car electrical systems. Incorrectly doing this could damage your vehicle's electrical system. You'll need a wiring diagram to identify the DRL relay correctly.
* Resistor Modification (Advanced, Requires Electrical Knowledge): Some DRL systems use a resistor to reduce the voltage to the headlights. Removing or modifying this resistor could disable the DRLs, but this is highly discouraged as it might overload the system or damage other components. Again, a wiring diagram is crucial and a significant risk is involved.
* Aftermarket Solutions (Easiest but Costs Money): The simplest solution, albeit the most costly, is to install an aftermarket DRL control module or switch. These devices provide a simple way to turn the DRLs on or off.
Before attempting any of these:
* Consult a wiring diagram: A wiring diagram specific to your 1996 S10's year, trim level, and options is essential. Without one, you risk damaging your vehicle's electrical system. You can sometimes find these online through forums dedicated to S10s or via repair manuals.
* Disconnect the negative battery terminal: Always disconnect your battery's negative terminal before working on any car's electrical system to prevent short circuits.
* Consider the legality: Daytime running lights are a safety feature, and disabling them may be illegal in your area.
Recommendation: Unless you're very experienced with automotive electrical systems, the safest and easiest option is to seek professional help from a qualified mechanic. They can diagnose your DRL system and suggest the best solution without risking damage to your truck.