1. Identify the Problem:
* Button Doesn't Illuminate or Click: This points to either a blown fuse, a bad switch, or a wiring issue.
* Button Illuminates But Hazards Don't Flash: This likely indicates a problem with the hazard flasher relay, wiring, or the bulbs themselves.
* Intermittent Operation: This suggests a loose connection somewhere in the wiring or a failing switch.
2. Troubleshooting Steps:
* Check the Fuse: Locate the hazard light fuse in your fuse box (usually under the hood or inside the cab, check your owner's manual). Check if it's blown. Replace it with a fuse of the same amperage if necessary.
* Inspect the Bulbs: Make sure all four hazard lights (front and rear) are working. A single burned-out bulb won't usually prevent the others from flashing, but it's a good starting point.
* Test the Flasher Relay: The flasher relay is a small, usually square or rectangular component. Its location varies by year and model; check your owner's manual or online forums for its location in your specific S10. You can often swap the relay with a known good one from another circuit (if possible and safe) to test it.
* Examine the Wiring: This is the hardest part. Carefully inspect the wiring harness leading to and from the hazard switch. Look for any broken, corroded, or loose connections. Pay close attention to the connection at the switch itself. You may need a wiring diagram to trace the circuit.
* Test the Switch (Hazard Button): This requires some electrical testing skills. You'll need a multimeter to check the continuity of the switch when pressed. If you're not comfortable with electrical testing, it's best to take it to a mechanic.
3. Repair Options:
* Fuse Replacement: Easiest fix, simply replace the blown fuse.
* Bulb Replacement: Replace any burned-out hazard light bulbs.
* Flasher Relay Replacement: Purchase a replacement flasher relay from an auto parts store (make sure to get the correct one for your vehicle).
* Wiring Repair: Repair or replace any damaged wiring. This often requires splicing and soldering.
* Hazard Switch Replacement: This is the most involved repair. You'll need to remove the switch (usually involves removing the steering column bezel), disconnect the wiring harness, and install a new switch. A new switch can be purchased from an auto parts store.
Important Considerations:
* Safety First: Disconnect the battery negative terminal before working on any electrical components.
* Wiring Diagram: A wiring diagram specific to your 1995 Chevy S10 is extremely helpful. You can find these online (often through forums or repair manuals).
* Professional Help: If you're not comfortable working with car electronics, take your S10 to a qualified mechanic. Incorrect wiring could damage your vehicle's electrical system.
Remember to always consult your owner's manual for specific locations of fuses, relays, and other components in your vehicle. Good luck!
