HomeEmission Control > SensorsStandard Ignition TH39 Throttle Position Sensor
Part #: TH39

Standard Ignition TH39 Throttle Position Sensor

⚙️ 63 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac, Brougham, C1500, C3500, Camaro, Caprice, G30, K3500, Lumina APV, P30, R2500 Suburban, R3500, V3500, G3500, P3500, Silhouette, Firebird, Trans Sport, R2500, R20, R20 Suburban, R30, and V30
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Overview of Standard Ignition TH39 Throttle Position Sensor

The Standard Ignition TH39 throttle position sensor is designed to provide accurate throttle position data for a range of GM vehicles. This sensor features a female connector with a single plug-in type connection, ensuring reliable electrical contact and ease of installation on compatible Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Type: Plug in
  • Terminal Gender: Female
  • Terminal Quantity: 3

Technical Details and Compatibility

The TH39 throttle position sensor from Standard Ignition is engineered with a female connector and three female terminals, providing a secure and stable connection to the vehicle’s wiring harness. Its plug-in connector type simplifies replacement and reduces installation time. This sensor is compatible with a variety of GM vehicles including Cadillac Brougham, Chevrolet C1500, C3500, Camaro, Caprice, GMC K3500, P30, P3500, R20 Suburban, R2500, R3500, and several Oldsmobile and Pontiac models such as Firebird and Silhouette.

Function and Common Applications

This throttle position sensor is critical for monitoring the position of the throttle in the engine, allowing the vehicle’s engine control unit (ECU) to adjust fuel injection and ignition timing accurately. It is commonly used to address issues such as:

  • Erratic or unstable engine idle
  • Poor acceleration response
  • Check engine light related to throttle position faults
  • Reduced fuel efficiency
  • Transmission shifting problems in some models

Installation Notes and Tips

When installing the Standard Ignition TH39 throttle position sensor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. The female plug-in connector should be securely attached to the sensor’s terminals, and the sensor must be aligned properly on the throttle body to avoid inaccurate readings. Calibration or relearning procedures may be required depending on the vehicle model after installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TH39 throttle position sensor undergoes rigorous quality control testing to maintain consistent functionality. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberTH39
Connector GenderFemale
Connector TypePlug In
Terminal GenderFemale

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990CadillacBrougham5.7LV8N/A
1990ChevroletC15007.4LV8N/A
1990ChevroletC35007.4LV8N/A
1990ChevroletCamaro5.0LV8N/A
1990ChevroletCaprice5.0LV8N/A
1990ChevroletCaprice5.7LV8N/A
1990ChevroletG307.4LV8N/A
1990ChevroletK35007.4LV8N/A
1990ChevroletLumina APV3.1LV6N/A
1990ChevroletP307.4LV8N/A
1990ChevroletR2500 Suburban7.4LV8N/A
1990ChevroletR35007.4LV8N/A
1990ChevroletV35007.4LV8N/A
1990GMCC35007.4LV8N/A
1990GMCG35007.4LV8N/A
1990GMCK35007.4LV8N/A
1990GMCP35007.4LV8N/A
1990GMCR2500 Suburban7.4LV8N/A
1990GMCR35007.4LV8N/A
1990GMCV35007.4LV8N/A
1990OldsmobileSilhouette3.1LV6N/A
1990PontiacFirebird5.0LV8N/A
1990PontiacTrans Sport3.1LV6N/A
1989ChevroletC35007.4LV8N/A
1989ChevroletCamaro5.0LV8N/A
1989ChevroletCaprice5.0LV8N/A
1989ChevroletG307.4LV8N/A
1989ChevroletK35007.4LV8N/A
1989ChevroletR25007.4LV8N/A
1989ChevroletR2500 Suburban7.4LV8N/A
1989ChevroletR35007.4LV8N/A
1989ChevroletV35007.4LV8N/A
1989GMCC35007.4LV8N/A
1989GMCG35007.4LV8N/A
1989GMCK35007.4LV8N/A
1989GMCR25007.4LV8N/A
1989GMCR2500 Suburban7.4LV8N/A
1989GMCR35007.4LV8N/A
1989GMCV35007.4LV8N/A
1988ChevroletC35007.4LV8N/A
1988ChevroletCamaro5.0LV8N/A
1988ChevroletG307.4LV8N/A
1988ChevroletK35007.4LV8N/A
1988ChevroletR207.4LV8N/A
1988ChevroletR20 Suburban7.4LV8N/A
1988ChevroletR307.4LV8N/A
1988ChevroletV307.4LV8N/A
1988GMCC35007.4LV8N/A
1988GMCG35007.4LV8N/A
1988GMCK35007.4LV8N/A
1988GMCR25007.4LV8N/A
1988GMCR2500 Suburban7.4LV8N/A
1988GMCR35007.4LV8N/A
1988GMCV35007.4LV8N/A
1988PontiacFirebird5.0LV8N/A
1987ChevroletR207.4LV8N/A
1987ChevroletR20 Suburban7.4LV8N/A
1987ChevroletR307.4LV8N/A
1987ChevroletV307.4LV8N/A
1987GMCR25007.4LV8N/A
1987GMCR2500 Suburban7.4LV8N/A
1987GMCR35007.4LV8N/A
1987GMCV35007.4LV8N/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:

1405414065141-42317069534171117872-1952200-14595S505871-7553EC1035ECC1114SS10424TPS108

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