GT1R M1 Autoshift Harness
The GT1R M1 Autoshift harness allows you to easily connect the M1 ECU to the factory up/down shift wiring allowing full control over auto shifting while in manual mode.
Details
2 piece loom, tefzel wire, DR25 shrink. Requires splicing in at drivers side kick panel.
Instructions can be found HERE
Frequently Asked Questions About GT1R M1 Autoshift Harness
What is the primary function of the GT1R M1 Autoshift Harness?
This harness provides a connection between the MoTeC M1 ECU and the factory up/down shift wiring. This integration gives the ECU full control over gear changes.
Why would I want auto-shifting in Manual Mode?
In drag racing, consistency is key. This harness allows the ECU to trigger shifts automatically at the perfect RPM, preventing the driver from hitting the rev limiter or short-shifting, even while the car is in Manual mode.
Does this disable the paddle shifters?
No. It simply bridges the signal to the M1 ECU. The ECU logic can then be configured to shift automatically based on parameters (RPM, TPS, etc.), but manual override capabilities usually depend on the specific firmware configuration.
Is this harness difficult to install?
The harness is designed for easy installation, allowing you to tap into the necessary factory wiring without needing to build a custom loom from scratch.
Which ECU is this harness designed for?
It is specifically engineered for use with the MoTeC M1 Series ECUs (such as the M150) when installed on the Nissan R35 GT-R platform.
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