1992 Chevrolet Blazer Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 1992 Chevrolet Blazer and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 1992 Chevrolet Blazer cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 1992 Chevrolet Blazer cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When the throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the initial steps to diagnose the non-functioning cruise control in a 1992 Chevrolet Blazer?

To effectively diagnose the non-functioning cruise control in your 1992 Chevrolet Blazer, begin with the simplest solutions before moving on to more complex diagnostics. Start by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control module for any visible damage or corrosion that could hinder its performance. Since older vehicles often rely on vacuum lines, it’s crucial to verify these lines for leaks or wear that may disrupt the system's operation. Additionally, test the cruise control switch to ensure it is sending the correct signals to the module; a malfunctioning switch can prevent the system from engaging altogether. Finally, check the vehicle speed sensor, as it is vital for the cruise control to function properly. By systematically addressing these areas, you can effectively troubleshoot and potentially resolve the cruise control issue in your Blazer.

What are the common problems that could cause the cruise control to stop working in a 1992 Chevrolet Blazer?

When dealing with a malfunctioning cruise control system in a 1992 Chevrolet Blazer, it's crucial to understand the common problems that could be at play. One of the first things to check is the fuse; a blown fuse can easily disrupt the entire system, preventing it from functioning. If the fuse is intact, the next step is to inspect the cruise control switch, as a faulty switch may fail to engage or disengage the system properly. Additionally, vacuum leaks can significantly impact the cruise control's operation, so examining the vacuum lines for any signs of wear or damage is essential. Another critical component to consider is the speed sensor; if it's faulty, the cruise control may struggle to maintain a consistent speed. Furthermore, issues with the brake light switch can interfere with the system's ability to engage or disengage, so ensure that this switch is functioning correctly. Lastly, don't overlook the throttle cable, as any malfunction here can hinder the cruise control's performance. By systematically checking these components, DIYers can effectively diagnose and resolve the issues affecting their Blazer's cruise control system.

How urgent is it to address the non-functioning cruise control in a 1992 Chevrolet Blazer?

Addressing the non-functioning cruise control in a 1992 Chevrolet Blazer is crucial for several reasons. First and foremost, safety should be a top priority; a malfunctioning cruise control system can lead to dangerous driving situations, particularly on highways where maintaining a steady speed is essential. Additionally, the comfort and convenience that cruise control provides during long drives cannot be overlooked, as it significantly reduces driver fatigue and enhances the overall driving experience. Furthermore, delaying repairs can result in more severe issues, potentially leading to costly repairs for other vehicle components. Therefore, while it may not seem like an immediate emergency, it is wise to prioritize fixing the cruise control system to ensure a safe, comfortable, and efficient driving experience.

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Troubleshooting Cruise Control Issues 1992 Chevrolet Blazer