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 )

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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 )

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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 )

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

Part Number: ATP-JE-22

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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: Today

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

Part Number: TCI-30261

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

Part Number: TCI-276610

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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

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Harness TCU Distributor

Part Number: TCI-377100

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: ATP-JE-24

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Estimated Ship Date: Mar 11, 2026 if ordered today

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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

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PIGTAIL KIT

Part Number: TCI-301412

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: ATP-JE-23

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Automatic Transmission Wiring Harnesses, Replacement, AM General, Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: ATP-JE-38

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

Part Number: ATP-JE-58

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Automatic Transmission Conversion Wiring Harness, GM, 4L80E, Each

Part Number: HUP-25-120

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Repair Harness

Part Number: ATP-JE-28

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Automatic Transmission Wiring Harnesses, Replacement, Bentley, Buick, Chevrolet, GMC, Hummer, Workhorse, Each

Part Number: ATP-JE-29

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AT TCC SOLENOID

Part Number: ATP-JE3

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Repair Harness

Part Number: ATP-CE-6

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

Part Number: ATP-CE-7

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