1988 GMC K2500 Transmission Electrical Parts

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Keep Your 1988 GMC K2500 in Top Shape with Quality Transmission Electrical Parts

Whether you’re repairing or upgrading your Transmission Electrical Part, using high-quality parts is key to keeping your 1988 GMC K2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Wiring Harness Connectors, Speed Sensors, and Automatic Transmission Torque Converter Clutch Switch Connectors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Explore Related Parts

While you’re upgrading or replacing your Transmission Electrical Part, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1988 GMC K2500 in peak condition, inside and out.

Essential 1988 GMC K2500 Transmission Electrical Parts

ATP – ATP Automatic Transmission Elect Harness Vss Repair, JE-22 (Part No.JE-22)

ATP Automatic Transmission Elect Harness Vss Repair, JE-22

from

$158.99
ATP Automatic Transmission Elect Harness Vss Repair, JE-22.
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ATP – ATP Automatic Transmission Elect Harness Vss Repair, JE-24 (Part No.JE-24)

ATP Automatic Transmission Elect Harness Vss Repair, JE-24

from

$127.99
ATP Automatic Transmission Elect Harness Vss Repair, JE-24.
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ATP – ATP Automatic Transmission Elect. Harness (Vss Repair), JE-15 (Part No.JE-15)

ATP Automatic Transmission Elect. Harness (Vss Repair), JE-15

from

$51.99
ATP Transmission Components are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Elect Harness Vss Repair, CE-8 (Part No.CE-8)

ATP Automatic Transmission Elect Harness Vss Repair, CE-8

from

$142.99
ATP Automatic Transmission Elect Harness Vss Repair, CE-8.
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Carquest Premium – Carquest Multi-Purpose Relay, RAA1234 (Part No.RAA1234)

Carquest Multi-Purpose Relay, RAA1234

from

$17.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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B & M – B & M Converter Lockup Control For Gm Automatic Trans With Lockup Converter, 70248 (Part No.70248)

B & M Converter Lockup Control For Gm Automatic Trans With Lockup Converter, 70248

from

$389.99
The B&M Lockup Controller provides control of lockup through vehicle speed on GM TH-700, 200, 200-4R, 350 and 4L60 with a lockup converter, Can be used for lockup operation when converting a non-lockup equipped vehicle to a lock-up style.
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B & M – B & M Power Switch, 80217 (Part No.80217)

B & M Power Switch, 80217

from

$116.99
Power switch For GM Clutch Converters, 1981 to 1991 Application: 1981 to 1989 GM TH-700R4 1981 to 1991 TH-2004R, 200C and 350C Operate your vehicle as a standard type torque converter when it is more desirable than the lock-up type. The Power switch kit supplied for these transmissions only locks out the converter clutch in first through third gear. The TH700-R4 and the TH2004R will not function properly with the lock-up converter locked out in fourth gear. The Power switch kit automatically overrides the switch in fourth gear in overdrive transmissions.
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Carquest Premium – Carquest Multi-Use Connector, PTA1431 (Part No.PTA1431)

Carquest Multi-Use Connector, PTA1431

from

$22.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Carquest Premium – Carquest ABS Wheel Speed Sensor, SBA3671 (Part No.SBA3671)

Carquest ABS Wheel Speed Sensor, SBA3671

from

$91.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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NTK – NTK ABS Wheel Speed Sensor, VB0039 (Part No.VB0039)

NTK ABS Wheel Speed Sensor, VB0039

from

$137.99
The ABS or Anti-Lock Brake System ECU monitors the Wheel Speed Sensors rotational speed for anti-lock brake function, stability control and traction control. The ABS sensors report the speed of all four wheels to the ECU to determine if the wheels are locking up and to help provide safer stopping. Reasons for replacement include: ABS/brake lamp illumination, no or erratic ABS operation or problems with stability and or traction control systems.
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Carquest Premium – Carquest ABS Wheel Speed Sensor, ARC1316 (Part No.ARC1316)

Carquest ABS Wheel Speed Sensor, ARC1316

from

$62.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

NTK – NTK ABS Wheel Speed Sensor, VB0037 (Part No.VB0037)

NTK ABS Wheel Speed Sensor, VB0037

from

$39.99
The ABS or Anti-Lock Brake System ECU monitors the Wheel Speed Sensors rotational speed for anti-lock brake function, stability control and traction control. The ABS sensors report the speed of all four wheels to the ECU to determine if the wheels are locking up and to help provide safer stopping. Reasons for replacement include: ABS/brake lamp illumination, no or erratic ABS operation or problems with stability and or traction control systems.
See More

Carquest Premium – Carquest ABS Wheel Speed Sensor, ARC1562 (Part No.ARC1562)

Carquest ABS Wheel Speed Sensor, ARC1562

from

$23.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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GM Genuine Parts – GM Genuine Parts Multi-Purpose Pigtail, PT1031 (Part No.PT1031)

GM Genuine Parts Multi-Purpose Pigtail, PT1031

from

$104.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
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Carquest Premium – Carquest ABS Wheel Speed Sensor, ARC1579 (Part No.ARC1579)

Carquest ABS Wheel Speed Sensor, ARC1579

from

$23.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Carquest Premium – Carquest ABS Wheel Speed Sensor, ARA1103 (Part No.ARA1103)

Carquest ABS Wheel Speed Sensor, ARA1103

from

$59.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Carquest Premium – Carquest ABS Wheel Speed Sensor, ARC1312 (Part No.ARC1312)

Carquest ABS Wheel Speed Sensor, ARC1312

from

$57.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

ATP – ATP Vehicle Speed Sensor, CE-11 (Part No.CE-11)

ATP Vehicle Speed Sensor, CE-11

from

$82.99
ATP Vehicle Speed Sensor, CE-11. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION RANGE SENSORS>TRANSMISSION RANGE SENSORS from ATP
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Carquest Premium – Carquest Automatic Transmission Speed Sensor, SBC3664 (Part No.SBC3664)

Carquest Automatic Transmission Speed Sensor, SBC3664

from

$39.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Most Popular Automatic Transmission Wiring Harness Connector for 1988 GMC K2500s

Enhance your 1988 GMC K2500 with this popular Automatic Transmission Wiring Harness Connector we have in stock, for $51.99.

ATP – ATP Automatic Transmission Elect. Harness (Vss Repair), JE-15 (Part No.JE-15)

ATP Automatic Transmission Elect. Harness (Vss Repair), JE-15

from

$51.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

Best-Selling 1988 GMC K2500 Speed Sensors

Upgrade your K2500 with one of our 3 best-selling Speed Sensors.

NTK – NTK ABS Wheel Speed Sensor, VB0039 (Part No.VB0039)

NTK ABS Wheel Speed Sensor, VB0039

from

$137.99
The ABS or Anti-Lock Brake System ECU monitors the Wheel Speed Sensors rotational speed for anti-lock brake function, stability control and traction control. The ABS sensors report the speed of all four wheels to the ECU to determine if the wheels are locking up and to help provide safer stopping. Reasons for replacement include: ABS/brake lamp illumination, no or erratic ABS operation or problems with stability and or traction control systems.
See More

Carquest Premium – Carquest ABS Wheel Speed Sensor, SBA3671 (Part No.SBA3671)

Carquest ABS Wheel Speed Sensor, SBA3671

from

$91.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

ATP – ATP Vehicle Speed Sensor, CE-11 (Part No.CE-11)

ATP Vehicle Speed Sensor, CE-11

from

$82.99
ATP Vehicle Speed Sensor, CE-11. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION RANGE SENSORS>TRANSMISSION RANGE SENSORS from ATP
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Top-Quality Automatic Transmission Torque Converter Clutch Switch Connectors for 1988 GMC K2500s

Choose a high-quality OEM or aftermarket Automatic Transmission Torque Converter Clutch Switch Connector for GMC K2500s and enjoy top-notch performance from $22.49.

Carquest Premium – Carquest Multi-Use Connector, PTA1431 (Part No.PTA1431)

Carquest Multi-Use Connector, PTA1431

from

$22.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Our Top Pick for a 1988 GMC K2500 Automatic Transmission Spark Control Relay

Invest in a durable Automatic Transmission Spark Control Relay for your 1988 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Multi-Purpose Relay, RAA1234 (Part No.RAA1234)

Carquest Multi-Purpose Relay, RAA1234

from

$17.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
See More

Transmission Lock-up Switch for 1988 GMC K2500s

Make a smart move for your 1988 GMC K2500 with products all priced from $116.99 to $389.99.

B & M – B & M Converter Lockup Control For Gm Automatic Trans With Lockup Converter, 70248 (Part No.70248)

B & M Converter Lockup Control For Gm Automatic Trans With Lockup Converter, 70248

from

$389.99
The B&M Lockup Controller provides control of lockup through vehicle speed on GM TH-700, 200, 200-4R, 350 and 4L60 with a lockup converter, Can be used for lockup operation when converting a non-lockup equipped vehicle to a lock-up style.
See More

B & M – B & M Power Switch, 80217 (Part No.80217)

B & M Power Switch, 80217

from

$116.99
Power switch For GM Clutch Converters, 1981 to 1991 Application: 1981 to 1989 GM TH-700R4 1981 to 1991 TH-2004R, 200C and 350C Operate your vehicle as a standard type torque converter when it is more desirable than the lock-up type. The Power switch kit supplied for these transmissions only locks out the converter clutch in first through third gear. The TH700-R4 and the TH2004R will not function properly with the lock-up converter locked out in fourth gear. The Power switch kit automatically overrides the switch in fourth gear in overdrive transmissions.
See More

FAQs for 1988 GMC K2500 Transmission Electrical Parts

What are the best-selling Transmission Electrical Parts for 1988 GMC K2500s?

Out of 8 Transmission Electrical Parts that fit 1988 GMC K2500s, the following parts are the top sellers:

What’s the price range for 1988 GMC K2500 Transmission Electrical Parts?

The prices of Transmission Electrical Parts for the 1988 GMC K2500 range from $17.99 up to $389.99 for the most premium parts.

What is the average price of a Transmission Electrical Part for a 1988 GMC K2500?

The average price for Transmission Electrical Parts for the 1988 GMC K2500 is $114.05. Keep in mind the variety of part types within our Transmission Electrical Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Electrical Parts for other GMC K2500 model years?

Yes, we carry Transmission Electrical Parts for 18 model years of GMC K2500s between 1979 and 1999. The following model years are the most popular for Transmission Electrical Part purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Transmission Electrical Parts for my 1988 GMC K2500?

The cheapest 1988 GMC K2500 Transmission Electrical Parts we carry are:

Does Advance Auto Parts sell Transmission Electrical Parts for any other 1988 GMC models?

What types of Transmission Electrical Parts do you sell for my 1988 GMC K2500?

As of 8/2/26, these are some of the most in-demand types of Transmission Electrical Parts for a 1988 GMC K2500:

Can I get help with 1988 GMC K2500 Transmission Electrical Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Transmission Electrical Parts and more.

What is your return policy for GMC K2500 Transmission Electrical Parts?

Advance Auto Parts keeps returns simple. For new GMC K2500 Transmission Electrical Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.