To determine the correct placement, you need to:
1. Identify your engine: Look for an engine code (usually a combination of letters and numbers) stamped on a metal plate on the engine block itself. This code will help you identify the exact engine.
2. Find your vehicle's repair manual: This is the most reliable source. A Haynes or Chilton manual specifically for your year and model S10 Blazer will show a diagram of the distributor cap with the correct wire placement for your engine. You can often find these online or at auto parts stores.
3. Use a reliable online resource: Websites like GM-Trucks.com or other forums dedicated to S10 Blazers might have information specific to your engine, but always double-check with your repair manual as the most accurate source.
Caution: Incorrect distributor wire placement will result in a misfire, poor running, or even engine damage. If you are unsure, it is best to consult a qualified mechanic. Improperly firing the engine cylinders can lead to significant mechanical issues.