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Transmission Control & Wiring
Transmission Control & Wiring Modern electronic automatic transmissions require a control module to manage shift points, torque converter lock-up, and line pressure. In engine swap applications, a correctly specified TCM is essential for correct automatic function. Transmission wiring harnesses provide...
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MSD 2760
Atomic Trans Controller, Standalone - Atomic Transmission Controller, Stand Alone
Easily modify the operating parameters of your GM...
Part TypeAutomatic Transmission Control Module£971.99 inc VAT£809.99 ex VAT -
MSD 2762
Atomic Trans Controller, Handheld Only - Handheld for Atomic Transmission Controller Module (TCM)
Handheld for TCM to change parameter on your...
Part TypeAutomatic Transmission Control Module£377.99 inc VAT£314.99 ex VAT -
MSD 27621
HARNESS, 4FT-EXTENSION FOR HAND HELD - 4FT Harness Extension, MSD Atomic TCM to Handheld
4FT Harness Extension, MSD Atomic TCM to Handheld
Part TypeAutomatic Transmission Wiring Harness£61.00 inc VAT£50.83 ex VAT -
MSD 75591
Progrmble RPM Trans Shifter,Lenco/Librty - MSD Programmable Shifter Controller
This Programmable Shifter Controller allows you to program...
Part TypeAutomatic Transmission Control Module£971.99 inc VAT£809.99 ex VAT -
MSD 2776
Harness, Ford (E40D 89-94) - Trans Controller Ford Harness E40D, 1989-1994
For use with Ford E40D 1989-1994 transmissions only
Part TypeAutomatic Transmission Wiring Harness£326.99 inc VAT£272.49 ex VAT -
MSD 2775
Harness, Ford E40D 95-97 - Trans Controller Ford Harness E40D,1995-1997
For use with Ford E40D 1995-1997 transmissions only.
Part TypeAutomatic Transmission Wiring Harness£322.00 inc VAT£268.33 ex VAT -
MSD 2774
Harness, Ford 4R100, 98-Up - Trans Controller Ford Harness 4R100, 1998-Up
For Ford 4R100, 1998-up transmissions only
Part TypeAutomatic Transmission Wiring Harness£326.99 inc VAT£272.49 ex VAT -
MSD 2773
Harness, Ford AODE/4R70W, 92-97 - Trans Controller Ford Harness AODE/4R70W, 1992 - 1997
For Ford AODE/4R70W, 1992-1997 transmissions only
Part TypeAutomatic Transmission Wiring Harness£355.99 inc VAT£296.66 ex VAT -
MSD 2772
Harness, Ford (4R70W/75W) 98-Up - Trans Controller Ford Harness AODE/4R70W, 1998-Up
For use with Ford AODE/4R70W - 1998-Up Transmissions...
Part TypeAutomatic Transmission Wiring Harness£322.00 inc VAT£268.33 ex VAT -
MSD 2771
Harness, GM 4L70, 2009-Up - Harness, GM 4L70 (2009-up)
For GM 4L70 (2009-up) transmissions only
Part TypeAutomatic Transmission Wiring Harness£326.99 inc VAT£272.49 ex VAT -
MSD 2770
Harness, GM 4L60-85E, 93-Up (4L70 06-08) - Trans Controller GM Harness 4L60-85E, 93-up (4L70 06-09)
For GM 4L60-85E, 93-up (4L70 06-09) transmissions only
Part TypeAutomatic Transmission Wiring Harness£307.99 inc VAT£256.66 ex VAT -
Holley EFI 558-482
Holley EFI Transmission Harness - TKO - Terminator X Max ECUs on V3 Build 100 or later
Requires: Terminator X Max ECU with V3 Build...
Part TypeManual Transmission Wiring Harness£269.99 inc VAT£224.99 ex VAT -
Holley EFI 558-481
Holley EFI Transmission Harness - T-56 - Terminator X Max ECUs on V3 Build 100 or later
Requires: Terminator X Max ECU with V3 Build...
Part TypeManual Transmission Wiring Harness£269.99 inc VAT£224.99 ex VAT -
Holley EFI 558-480
Holley EFI Transmission Harness - T-56 Magnum - Terminator X Max ECUs on V3 Build 100 or later
Requires: Terminator X Max ECU with V3 Build...
Part TypeManual Transmission Wiring Harness£269.99 inc VAT£224.99 ex VAT -
Holley EFI 558-499
Holley EFI Terminator X Max Transmission Kit - GM 6L80/6L90 - Requires Terminator X Max
Terminator X V3 software is not compatible with...
Part TypeAutomatic Transmission Wiring Harness£661.00 inc VAT£550.83 ex VAT -
Holley EFI 558-473
Holley EFI Transmission Control Harness - 1996-2003 Chrysler 46RE - Use with Terminator X Max only
Requires Terminator X firmware and Software V2 Build...
Part TypeAutomatic Transmission Wiring Harness£289.99 inc VAT£241.66 ex VAT -
Holley EFI 558-471
Holley EFI Transmission Control Harness - 1992-1997 Ford AODE/4R70W
Requires software version 5.0 build 100 or higher...
Part TypeAutomatic Transmission Wiring Harness£322.00 inc VAT£268.33 ex VAT -
Holley EFI 558-470
Holley EFI Transmission Control Harness - 1998+ Ford 4R70W/4R75W
Requires software version 4.0 build 32 or higher...
Part TypeAutomatic Transmission Wiring Harness£311.99 inc VAT£259.99 ex VAT -
Holley EFI 558-455
Holley EFI Transmission Control Harness - 2009+ GM 4L60
When used with Dominator ECU - Requires software...
Part TypeAutomatic Transmission Wiring Harness£293.99 inc VAT£244.99 ex VAT -
Classic Instruments SN18R
Classic Instruments 700R4 VSS Pigtail - 700R4 VSS Pigtail
700R4 VSS Pigtail
Part TypeAutomatic Transmission Wiring Harness£44.99 inc VAT£37.49 ex VAT -
Classic Instruments SN18
Classic Instruments Tremec 2 Wire VSS Pigtail
Tremec 2 Wire VSS Pigtail
Part TypeAutomatic Transmission Wiring Harness£37.00 inc VAT£30.83 ex VAT -
Holley Sniper EFI 551-103
TRANS CONTROLLER, SNIPER 2 - Sniper 2 Transmission Control Kit
MAP sensor is needed if using MAP for...
Part TypeAutomatic Transmission Control Module£613.99 inc VAT£511.66 ex VAT -
Holley Sniper EFI 551-101
TRANS CONTROLLER, CAN BUS CONNECTED - Sniper 1 Transmission Control Kit
Requires Sniper Version 2 ECU and up to...
Part TypeAutomatic Transmission Control Module£629.99 inc VAT£524.99 ex VAT -
Holley Sniper EFI 551-100
TRANSMISSION CONTROLLER, SERVICE UNIT - Sniper Transmission Controller - Service Unit
Replacement/service unit only, handheld is not included but...
Part TypeAutomatic Transmission Control Module£523.99 inc VAT£436.66 ex VAT
Transmission Control & Wiring
Modern electronic automatic transmissions require a control module to manage shift points, torque converter lock-up, and line pressure. In engine swap applications, a correctly specified TCM is essential for correct automatic function. Transmission wiring harnesses provide correctly terminated connections between control module, sensors, and transmission components for reliable long-term electronic drivetrain management.



