Location of the 97 Chevy S10 Turn Signal Relay


The 1997 Chevrolet S10 used a thermal flasher to control the duration of the turn-signal flashes. The flasher works by the expansion and contracting of a piece of spring steel within the unit. When the turn signals actuate, this spring heats up. As it expands from the heat, it makes contact to complete the turn-signal circuit, then as the voltage to the spring is shunted off, it cools and contracts to break the circuit, causing the signals to flash. Over time the contacts can become burnt, or the spring steel lose its temper from too many duty cycles, and the flasher fails.

Things You'll Need

  • Ratchet
  • Extension
  • Socket set
  • Torx-driver set
  • Park the vehicle in a well lit area. Set the parking brake. Locate the driver-side bolster panel under the dash, to the left of the ashtray. Remove the retaining screws along the top and bottom of the panel, using a ratchet, extension and socket, or Torx-driver.

  • Open the ashtray and remove it from the console to reveal a retaining screw. Remove the screw, using a ratchet, extension and socket. Pull the passenger side of the bolster from the console, then the driver side, and then slide the central piece down.

  • Locate the two cylindrical devices that are side-by-side toward the driver side of the area exposed by the removal of the bolster panel. The turn signal is the one on the right. Pull the relay straight out of its terminal. Align the spades on the new relay with the terminal, and plug the new relay straight in.

  • Push the driver-side bolster into place, and ensure that the front edge of the panel engages with the console. Install and tighten the ashtray hole retainer screw, and install the ashtray. Install and tighten the driver-side, and passenger-side bolster panel retainer screws.

Tips & Warnings

  • Do not overtighten the bolster panel retainer screws. The threads in the console are weak and easily stripped.

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