$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

Transmission Harnesses

Individual Parts

Results 1 - 25 of 63

Transmission Harness, All-In-One Transmission Wiring Harness, Manual, T-56, Ford, GM, Each

Part Number: BTM-7100000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harnesses, Holley EFI, Control Harness, T-56 Magnum, Plug-and-Play, VSS, Reverse Lockout, for Terminator X, Max X ECUs, Each

Part Number: HLY-558-480

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harness, All-In-One Transmission Wiring Harness, Manual, Chevrolet, Each

Part Number: BTM-7100002

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Automatic Transmission Wiring Harnesses, Replacement, AM General, Aston Martin, Bentley, Cadillac, Chevrolet, GMC, Hummer, Jaguar, Rolls-Royce, Each

Part Number: ATP-JE-22

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: ATP-CE-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harnesses, Holley EFI, Control Harness, Tremec TKX-TKO Tranny, Plug-and-Play, VSS, Reverse Lockout, for Terminator Max X ECUs, Each

Part Number: HLY-558-482

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harnesses, Holley EFI, Control Harness, F-Body, T-56 Tranny, Plug-and-Play, VSS, Reverse Lockout, for Terminator X, Max X ECUs, Each

Part Number: HLY-558-481

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Wiring Harness, Atomic TCU, Ford, E40D, Each

Part Number: MSD-2776

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Wiring Harness, Atomic TCU, Ford, AOD/4R70W, Each

Part Number: MSD-2773

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Wiring Harness, Atomic TCU, Ford, E40D, Each

Part Number: MSD-2775

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Wiring Harness, Atomic TCU, Ford, 4R70W/4R75W, Each

Part Number: MSD-2772

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Automatic Transmission Wiring Harnesses, GM Genuine Parts, Chevrolet, Pontiac, Saturn, Each

Part Number: ADO-24229665

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Internal Wiring Harness, Upgrade, GM, Style Harness, Each

Part Number: TCI-276610

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

Transmission Harnesses, Holley EFI, Control Harness, Chrysler Transmission, 46RE, Plug-and-Play, for Terminator X Max System Only, Each

Part Number: HLY-558-473

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harness, Replacement, 20-Pin Pigtail, GM Automatic Transmission, Gray Connector, 12 in. Wire Leads, Butt-Style Connectors, Each

Part Number: FLE-S0507

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harness, Tremec Ford TKX, Allows You TO Change The Pulse Count Output of the Ford TKX, Provides Wiring For The Reverse Lights

Part Number: BTM-7100004

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Transmission Harnesses, Transmission Kickdown Harness, GM THM400, Chevrolet, Each

Part Number: AWW-CH85151

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

1987-93 Ford Mustang Main Manual Trans Harness

Part Number: RFW-FH061

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

WIRING HARNESS

Part Number: PIO-772117

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

Harness TCU Distributor

Part Number: TCI-377100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Wiring Harness, Atomic TCU, Ford, 4R100, 1998-Newer, Each

Part Number: MSD-2774

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Transmission Harness, Tremec, T56 Magnum, Speed Sensor Input, Nexus Rebel LS, Each

Part Number: HTH-HT-187003

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Automatic Transmission Wiring Harnesses, Replacement, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ATP-CE-10

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 17, 2025 if ordered today

Transmission Harness, TRANSMISSION KICKDOWN HARNESS, TH400 automatic trans.

Part Number: AWW-CA89365

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.