Availability
Transmission Harnesses
Showing In Stock Items. Show All 98 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 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
Automatic Transmission Conversion Wiring Harness, GM, 4L60E to 4L80E, 5.3L, 5.7L, 6.0L, Each
Part Number: ICB-WATRA30-18
Estimated Ship Date: Today
Estimated Ship Date: Today
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: 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
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: 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
Internal Wiring Harness, Upgrade, GM, Style Harness, Each
Part Number: TCI-276610
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
transmission harnesses
Part Number: PIO-772038
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Automatic Transmission Wiring Harnesses, Replacement, Chevrolet, GMC, Hummer, Each
Part Number: ATP-JE-30
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2026 if ordered today
Estimated Ship Date: Nov 19, 2026 if ordered today
1987-93 Ford Mustang Main Manual Trans Harness
Part Number: RFW-FH061
Estimated Ship Date: Feb 1, 2027 if ordered today
Estimated Ship Date: Feb 1, 2027 if ordered today
WIRING HARNESS
Part Number: PIO-772117
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Wiring Harnesses, Replacement, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each
Part Number: ATP-CE-10
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2026 if ordered today
Estimated Ship Date: Nov 19, 2026 if ordered today
Automatic Transmission Wiring Harnesses, Replacement, Chevrolet, GMC, Hummer, Each
Part Number: ATP-JE-36
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2026 if ordered today
Estimated Ship Date: Nov 19, 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
PCS - TRANS HARNESS FOR SIMPLE SHIFT 4L60 4L65E 93+ CARB OR EFI
Part Number: ATI-705514
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 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: Nov 19, 2026 if ordered today
Estimated Ship Date: Nov 19, 2026 if ordered today
transmission harnesses
Part Number: PIO-772032
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Automatic Transmission Wiring Harnesses, Replacement, Audi, Mini, Volkswagen, Each
Part Number: ATP-RE-80
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2026 if ordered today
Estimated Ship Date: Nov 19, 2026 if ordered today
transmission harnesses
Part Number: PIO-772027
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
WIRING HARNESS
Part Number: PIO-772109
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Wiring Harnesses, TRANSMISSION CONTROLLED SPARK SWITCH HARNESS, V8, auto. trans. , CHEVROLETTRUCK1971
Part Number: AWW-22045
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2027 if ordered today
Estimated Ship Date: Jan 26, 2027 if ordered today
Transmission Harness, Holley EFI, Pre-terminated, Ford, 1998+, 4R70W/4R75W Transmissions, Each
Part Number: MLL-BPP558470
Not Yet Reviewed
Estimated Ship Date: Jan 4, 2027 if ordered today
Estimated Ship Date: Jan 4, 2027 if ordered today
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