HomeElectrical, Lighting and Body > SwitchesStandard Ignition HZS243 Hazard Warning Switch
Part #: HZS243

Standard Ignition HZS243 Hazard Warning Switch

⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Oldsmobile, Blazer, Sonoma, S10, Jimmy, and Bravada
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Reliable Hazard Warning Switch for Chevrolet, GMC, and Oldsmobile

The Standard Ignition HZS243 hazard warning switch is designed to provide dependable operation for your vehicle's emergency signaling system. Compatible with select Chevrolet, GMC, and Oldsmobile models, this switch ensures your hazard lights function correctly when needed.

  • Compatible with Chevrolet Blazer, Bravada, Jimmy, S10, and Sonoma models
  • Part number HZS243 for precise identification
  • Includes one hazard warning switch without connector
  • Direct replacement part for electrical, lighting, and body systems
  • Connector gender: no connector, designed for direct wiring or existing harness

Product Details and Specifications

The Standard Ignition HZS243 hazard warning switch is engineered to meet OEM standards for electrical components in your vehicle. This switch is supplied as a single unit without a connector, allowing for straightforward installation using your vehicle's existing wiring harness. It is specifically designed for use in Chevrolet Blazer, Bravada, Jimmy, S10, and Sonoma models, as well as compatible GMC and Oldsmobile vehicles. The absence of a connector means it is intended for direct integration into the vehicle's electrical system, ensuring a secure and reliable connection.

Common Applications and Problem Resolution

  • Restores proper function to non-responsive hazard warning lights
  • Replaces faulty or damaged hazard warning switches causing intermittent signaling
  • Solves issues with hazard lights not activating during emergency situations
  • Addresses electrical switch failures related to wear or corrosion
  • Ensures compliance with vehicle safety requirements for emergency signaling

Installation Notes and Tips

Installation of the Standard Ignition HZS243 hazard warning switch requires basic electrical knowledge and familiarity with your vehicle's dashboard components. Since this part does not include a connector, verify the compatibility of your existing wiring harness before installation. Disconnect the vehicle battery prior to replacement to avoid electrical shorts. Carefully remove the old switch and connect the new switch using the original wiring setup. Test the hazard lights after installation to confirm proper operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The HZS243 hazard warning switch undergoes rigorous quality control testing to maintain consistent functionality. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or your parts provider for exact warranty terms.

BrandStandard Ignition
Part NumberHZS243
Connector GenderNo Connector
Contents1 Switch

This part fits 29 vehicles. Search below:

YearMakeModelPositionNotes
2005ChevroletBlazerN/A
2004ChevroletBlazerN/A
2004GMCSonomaN/A
2003ChevroletBlazerN/A
2003ChevroletS10N/A
2003GMCSonomaN/A
2002ChevroletBlazerN/A
2002ChevroletS10N/A
2002GMCSonomaN/A
2001ChevroletBlazerN/A
2001ChevroletS10N/A
2001GMCJimmyN/A
2001GMCSonomaN/A
2001OldsmobileBravadaN/A
2000ChevroletBlazerN/A
2000ChevroletS10N/A
2000GMCJimmyN/A
2000GMCSonomaN/A
2000OldsmobileBravadaN/A
1999ChevroletBlazerN/A
1999ChevroletS10N/A
1999GMCJimmyN/A
1999GMCSonomaN/A
1999OldsmobileBravadaN/A
1998ChevroletBlazerN/A
1998ChevroletS10N/A
1998GMCJimmyN/A
1998GMCSonomaN/A
1998OldsmobileBravadaN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

151744476003565924-608HDS243HSW243

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.