It's most likely either:
* Integrated into the distributor: If your truck has a distributor (older style ignition system), the ignition module is *inside* the distributor. You won't be able to replace it separately; you replace the entire distributor assembly.
* On the firewall: Some 1996 Chevy trucks with different engine types (especially those with electronic ignition systems without distributors) might have the ignition module mounted on the firewall, near the coil pack.
To find out the precise location for *your* 1996 Chevy truck:
1. Check your owner's manual: This is the best source of information. It should have a diagram showing the location of all major components.
2. Look up your engine code: The engine code (usually found on a sticker under the hood) will help you find specific diagrams and repair information online (e.g., on sites like Chilton or Haynes). This is crucial because the location varies based on the engine type.
3. Consult a repair manual: A Chilton or Haynes repair manual for your specific year and model truck will have detailed diagrams and instructions.
Without knowing your specific engine, it's impossible to give a definitive answer. Providing your engine code will significantly improve the accuracy of any answer you receive.
