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  3. WVE SX-HC4J

WVE SX-HC4J Wells Powertrain Control Module Relay Terraza Yn 3.9L V6

fits make: Buick. year: 2005–2007.

Sx-hc4j Wve Wells Powertrain Control Module Relay For 2005-2007 Buick Terraza 3.9l V6 Yn

( Brand: Wve ), ( Type: Powertrain Control Module Relay ), ( Placement On Vehicle: Electrical Lighting Body Relays ), ( Manufacturer Part Number: SX-HC4J ), ( Ipn: C410 75-43 ), ( Manufacturer Warranty: 3 Years / 36, 000 Miles ), ( Compatible Model: Terraza ), ( Compatible Year: 2007 2006 2005 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Wells Wve Powertrain Control Module Relay )

Review WVE Wells Powertrain Control Module Relay Buick Terraza 3.9l V6 Yn fits 2005–2007

The WVE SX-HC4J Wellss Powertrain Control Module (PCM) relay is a crucial component for the powertrain system in select 2005-2007 Buick Terrazas equipped with the 3.9L V6 engine (YN). This relay is designed to ensure proper communication between various electrical components in the vehicle's powertrain system.

The WVE SX-HC4J PCM relay is a high-quality aftermarket part that offers a reliable and cost-effective solution for those experiencing issues with their original equipment relay. This part is engineered to meet or exceed OEM specifications, ensuring a seamless fit and function in your Buick Terraza.

This PCM relay measures approximately 2.5 inches long, 1.7 inches wide, and 1.1 inches high, making it a compact yet essential component in your vehicle's electrical system. It features four separate circuits, each with its own individual fuse and contact, allowing it to control various powertrain functions.

The WVE SX-HC4J PCM relay is designed with a robust and durable construction, featuring a high-temperature plastic housing and gold-plated contacts. These features help to protect the relay from the harsh operating conditions found in a vehicle's engine bay, ensuring long-lasting performance and reliability.

Installing the WVE SX-HC4J PCM relay in your Buick Terraza is a straightforward process that can be completed in a relatively short amount of time. The relay comes with clear and concise installation instructions, making it easy for even the most novice DIYers to complete the job themselves. However, if you prefer, you can also have the relay installed by a professional technician.

When it comes to maintaining your Buick Terraza's powertrain system, the WVE SX-HC4J PCM relay is an essential component that should not be overlooked. This relay plays a critical role in ensuring proper communication between various electrical components, and a faulty relay can result in a range of powertrain issues, from stalling to rough idling.

By investing in a high-quality aftermarket PCM relay like the WVE SX-HC4J, you can help to prevent these issues and ensure that your Buick Terraza continues to run smoothly and efficiently. With its robust construction, reliable performance, and easy installation process, this relay is an excellent choice for any Buick Terraza owner looking to keep their vehicle in top condition.

The WVE SX-HC4J Wellsburg Powertrain Control Module (PCM) relay is a potential solution for issues related to the PCM in 2005-2007 Buick Terraza vehicles with the 3.9L V6 engine. Here are some pros and cons to consider before making a purchase.

Pros:

1. Direct fit: This relay is specifically designed for the Buick Terraza with the mentioned engine and model years.

2. Easy installation: The relay can be installed without requiring extensive mechanical knowledge or disassembling the PCM. It's usually a plug-and-play process.

3. Cost-effective: Compared to replacing the entire PCM, buying a relay is a more affordable option.

4. Potential to resolve various symptoms: A faulty PCM relay can cause various issues, such as intermittent check engine light, rough idling, stalling, and difficulty starting the engine.

Cons:

1. Temporary fix: A malfunctioning PCM relay might be a symptom of a larger issue with the PCM or other related components. While replacing the relay could resolve the issue for a while, it may not be a long-term solution.

2. Potential for false positives: Sometimes, the check engine light may come on even after replacing the PCM relay. This could be due to other faults in the system.

3. Diagnostic tools required: To confirm that the PCM relay is the culprit for the symptoms you're experiencing, you may need a scan tool to read the trouble codes.

Conclusion:

If you're experiencing symptoms related to a faulty PCM relay, such as intermittent check engine light, rough idling, stalling, or difficulty starting the engine, the WVE SX-HC4J relay could be a cost-effective solution for your issue. However, it's essential to understand that this is a potential temporary fix. If the symptoms persist after replacing the relay, it might be a sign of a larger issue with the PCM or other related components. In such cases, it would be wise to consult a professional mechanic for further investigation.

Recommendation:

It's recommended to have your vehicle diagnosed by a professional mechanic before purchasing the WVE SX-HC4J relay. They can help you confirm if the PCM relay is indeed the issue, and if so, whether replacing it is a viable solution. If the issue is not limited to the PCM relay, it's essential to address the root cause to prevent any potential future complications.

Details:

Wells Powertrain Control Module Relay for 2005 - 2007 Buick Terraza 3.9L V6 yn: Status: In Stock.

part #: sxhc4j price

  • $19.39

specifications sparkystooge:

  • for makes: Buick
  • for years: 2005-2007
  • brand: Wve
  • type: Powertrain Control Module Relay
  • placement on vehicle: Electrical Lighting Body Relays
  • manufacturer part number: SX-HC4J
  • interchange part number: C410 75-43
  • manufacturer warranty: 3 Years / 36, 000 Miles
  • compatible model: Terraza
  • compatible year: 2007 2006 2005
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Wells Wve Powertrain Control Module Relay

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  • sold: 0
  • started: May 22, 2026
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  • Car Truck Parts Accessories > Ignition Systems Components > Ignition Kits
  • condition: New

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  • city: Indianapolis, Indiana
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for makes: buick, for years: 2005-2007, type: powertrain control module relay, placement on vehicle: electrical lighting body relays, manufacturer warranty: 3 years / 36, 000 miles, compatible model: terraza, compatible year: 2007 2006 2005, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine wells wve powertrain control module relay,
category: auto parts > car truck parts accessories > ignition systems components > ignition kits, sku: 11846459618559603,

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