Availability
Transmission Harnesses
Showing In Stock Items. Show All 56 Items.
Transmission Harnesses, for use with FiTech Ultimate EFI Fuel Injection System to add an Automatic Transmission, Chevrolet, LS, Each
Part Number: FIF-70050-5
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Harness, Holley EFI, Pre-terminated, Ford, 1998+, 4R70W/4R75W Transmissions, Each
Part Number: SNE-558-470
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each
Part Number: TCI-30261
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Internal Wiring Harness, Upgrade, GM, Style Harness, Each
Part Number: TCI-276610
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Wiring Harnesses, GM Genuine Parts, Chevrolet, Pontiac, Saturn, Each
Part Number: ADO-24229665
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each
Part Number: ATP-CE-9
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Automatic Transmission Wiring Harnesses, Replacement, Chevrolet, GMC, Hummer, Each
Part Number: ATP-JE-36
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
1987-93 Ford Mustang Main Manual Trans Harness
Part Number: RFW-FH061
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Automatic Transmission Wiring Harnesses, Replacement, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each
Part Number: ATP-CE-10
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Transmission Harness, OEM Series, Complete Lower/Transmission Harness, for Nissan, Automatic Transmission, Each
Part Number: WRS-SUM00002
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Wiring Harnesses, Replacement, Audi, Mini, Volkswagen, Each
Part Number: ATP-RE-80
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Automatic Transmission Wiring Harnesses, Replacement, Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, Volvo, Each
Part Number: ATP-JE-31
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster