Transmission Harnesses

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

Part Number: SNE-558-405

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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: Today

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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

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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: 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Harnesses, Atomic Transmission Control Module Harnesses, 4 ft. Extension for MSD Atomic Transmission Controllers Only, Ford, GM, Each

Part Number: MSD-27621

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 23, 2026 if ordered today

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Harness TCU Distributor

Part Number: TCI-377100

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Estimated Ship Date: Dec 22, 2026 if ordered today

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