Transmission Harnesses

Transmission Harness, Holley EFI, Pre-terminated, GM, 1996-2008, 4L60E, 4L80E Transmissions, Each

Part Number: SNE-558-405

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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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: Monday 9/29/2025

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Wiring Harness, Atomic TCU, GM, 4L60E/4L65E/4L80E/4L85E/4L70E/4L75E, Each

Part Number: MSD-2770

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

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Transmission Harnesses, for use with FiTech Ultimate EFI Fuel Injection System to add an Automatic Transmission, Chevrolet, LS, Each

Part Number: FIF-70050-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Transmission Harness, Holley EFI, Transmission Control Harness, GM 4L60E, Plug-and-Play, Build in relay, for Dominator EFI ECU, Each

Part Number: HLY-558-455

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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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: Monday 9/29/2025

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Automatic Transmission Conversion Wiring Harness, GM, 4L60E to 4L80E, 5.3L, 5.7L, 6.0L, Each

Part Number: ICB-WATRA30-18

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

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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: Monday 9/29/2025

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Transmission Harness, Tremec TKX, GM, Each

Part Number: BTM-7100003

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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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: Monday 9/29/2025

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

Part Number: TCI-276610

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

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

Part Number: AWW-CH85151

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Harness TCU Distributor

Part Number: TCI-377100

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Transmission Harnesses, Automatic Transmission Controller Harnesses, for Use with ATI PCS Transmission Control Unit 705500, GM, 4L80-E/4L85-E, Each

Part Number: ATI-705502

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Wiring Harness, Atomic TCU, GM, 4L70E, Each

Part Number: MSD-2771

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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