BUICK 591.GM4Z89 Reatta Turn Signal Control Module

( Model: REATTA ), ( Part Type: Turn Control Signal Module ), ( Conditions Options: Coupe, E-plat, Na, Auto, Fwd, ), ( Genuine Oem: Yes ), ( Ipn: 591.gm4z89 ), ( Year: 1989 ), ( Manufacturer Warranty: 60 Day )

Review BUICK Reatta Coupe Turn Signal Computer Control Module fits 1988–1991

Buick Reatta Turn Signal Control Module (1988-1991) - GM Part Number 591.gm4z89

The Buick Reatta Turn Signal Control Module, with GM part number 591.gm4z89, is a crucial component of the electrical system in certain Buick Reatta models from the years 1988 to 1991. This module is responsibility for monitoring and operating the turn signal functions, including the amber turn signal lights, the flash rate, and the turn signal indicators on the dashboard.

This Buick Reatta turn signal control module is a sophisticated electronic device, regulating the turn signal system by processing signals from the vehicle's wiring harness and the driver's turn signal lever. It ensures the proper function of the turn signals, enabling the vehicle to alert other drivers when the driver intends to change lanes or make a turn.

1. Turn signal operations: It activates the front and rear turn signal lights when the driver moves the turn signal lever, ensuring both left and right signals are properly indicated.

2. Flash rate regulation: This module regulates the speed and duration of the turn signal flashes, adhering to the legal requirements and maintaining a consistent and recognizable turn signal pattern.

3. Dashboard indicator lights: It illuminates the green arrow turn signal indicators on the dashboard to alert the driver of the current turn signal status.

4. Fault detection: In case of a malfunction in the turn signal system, the module will turn on the respective warning indicator on the dashboard, providing the driver with a clear message about the issue.

Despite its critical role, the turn signal control module can wear out or malfunction over time due to regular use or exposure to harsh environments. Common symptoms of a faulty turn signal control module include erratic or non-functioning turn signals, inconsistent flash rates, and persistent dashboard warning lights. When this occurs, it's essential to replace the faulty module with a functional one, such as the proven, GM-original Buick Reatta Turn Signal Control Module with part number 591.gm4z89.

Investing in the Buick Reatta Turn Signal Control Module with GM part number 591.gm4z89 ensures a properly functioning turn signal system for your 1988-1991 Buick Reatta. The reliable and original GM component provides accurate turn signal functions, LED indicators, fast flash rates, and effective fault detection, ensuring a safe and confident driving experience. Make this upgrade to keep your vintage Buick Reatta in top condition and fully prepared for the road ahead.

Buicking a Buick Reatta turn signal control module for the years 1988-1991 (GM part number: 591.gm4z89) can be a worthwhile investment if your vehicle's turn signals are malfunctioning. Below are the pros and cons to help you make an informed decision.

1. Improved safety: A faulty turn signal control module can make driving unsafe due to confusing other motorists. Replacing the part can help restores proper functioning and signal intent to other drivers.

2. Cost-effective: In some cases, replacing the turn signal control module is more economical than repairing other related components. The cost of labor and parts combined for a full repair may surpass the cost of a new module.

3. Enhances driving comfort: Properly functioning turn signals not only improve safety but also enhance your overall driving experience.

1. Potential for install errors: Installing the new control module may require some technical knowledge. Incorrect installation may cause additional malfunctions. Hiring a professional technician can increase the cost of the repair.

2. Replacement parts availability: Although the Buick Reatta turn signal control module is a readily available aftermarket part, finding a new or remanufactured unit may take some time, depending on your location and the supplier.

3. Labor costs: The cost of professional labor for replacement can be significant. If you decide to replace the module yourself, be aware that you'll need proper tools and diagnostic equipment.

Replacing the Buick Reatta turn signal control module with the specific part number 591.gm4z89 can decisively improve your vehicle's safety, driving comfort, and potentially save money in the long run. However, it's essential to consider its installation complexity, potential labor costs, and availability before making a final decision. Weighing the pros and cons can help you decide whether the investment is worthwhile for your situation. If comfort and safety are top priorities for you, buying a new or remanufactured turn signal control module may be the best option. If you're inexperienced with car repairs, remember that professional assistance may be necessary to ensure a proper install and correct diagnosis of any related issues.

specifications wiringwench:

• for makes: Buick
• for years: 1988-1991
• model#: REATTA
• part type: Turn Control Signal Module
• conditions options: Coupe, E-plat, Na, Auto, Fwd,
• genuine oem: Yes
• interchange part number: 591.GM4Z89
• year: 1989
• manufacturer warranty: 60 Day

offer wiringwench:

• started: January 29, 2025
• best offers: True
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

seller wiringwench:

• rating: 98.4%
• # reviews: 5439

general wiringwench:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules
• condition: Used

payments wiringwench:

• other
• credit card: Discover
• wallet: Google-pay

shipping wiringwench:

• transit: 2-6 Days
• type: Fixed
• service: Standard
• class: Standard
• cost: $0.00

returns wiringwench:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

Buick Is Similar To:

• Buick 591-07447 Chassis Ecm Suspension Equipment Opt Gna Fits 12 Lacrosse 1278635 (37.4% similar) $68.61–$152.52. (August 25th, 2024)
• Buick 646-01499 Fuse Box Engine Fits 13-14 Encore 2308740 (35.4% similar) $40.00–$69.97. (August 28th, 2024)
• Buick 646-01693 Fuse Box Engine Fits 14-17 Regal 1884753 (35.6% similar) $60.58–$130.38. (August 29th, 2024)
• Buick 601-00762 Alternator 6-191 105 Amp Fits 98-99 Lumina Car 778261 (35.2% similar) $49.89–$80.00. (September 3rd, 2024)
• Buick 591-02472 Regal 2011 Chassis Ecm Below Center Console A/bag Module 13578323 (44.4% similar) $44.99. (September 6th, 2024)
• Buick 13583359 Driver Left Seat Heater Control Module Computer Fits 12-19 Sonic F2c11 (52.6% similar) $49.99–$100.00. (September 16th, 2024)
• Buick 646-12257 Fuse Box Engine Halogen Headlamps Fits 18-19 Regal 1368952 (37.8% similar) $30.70–$100.70. (September 19th, 2024)
• Buick 646-01348 Fuse Box Engine Fits 00-05 Lesabre 1230642 (33.8% similar) $25.80–$83.26. (September 20th, 2024)
• Buick 591-10777 Temperature Under Center Dash Id 84188436 Fits 18-19 Encore (38.8% similar) $34.75–$69.00. (September 21st, 2024)
• General Motors Vbcm87 2005-2009 Buick Lacrosse Body Control Module Bcm 19330847 Oem (37% similar) $74.99–$499.95. (September 21st, 2024)
• Buick 84231141 2018-2021 Enclave Parking Assist Computer Control Module Oem (44.8% similar) $34.99–$76.99. (September 22nd, 2024)