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  • Standard order lead time is estimated to be 9-11 weeks from date of purchase. Need is sooner? Give us a call to discuss expediting.

    All other items typically ship within 3-5 business days unless specified otherwise.

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LS and LT Retrofit Specialists
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GDI Truck Engine with 10 Speed Harness Package
GDI Truck Engine with 10 Speed Harness Package - Image 1 of 0
GDI Truck Engine with 10 Speed Harness Package - Image 2 of 0
GDI Truck Engine with 10 Speed Harness Package - Image 1 of 0
GDI Truck Engine with 10 Speed Harness Package - Image 2 of 0
GDI Truck Engine with 10 Speed Harness Package - Image 1 of 0
GDI Truck Engine with 10 Speed Harness Package - Image 2 of 0

GDI Truck Engine with 10 Speed Harness Package

$0.00
Choose your options:
Fuel System:
Transmission:
Add MAF Sensor?:
Add O2 Sensors?:
Add NSS?:
Neutral Safety Switch for 10 speed automatics to prevent the vehicle from starting in gear.
Gear Ratio/Tire(required):
Cruise Control(optional):
Emissions Wiring(required):
Front End Drive(required):
Examples are Holley, Wegner, CVF Racing, Drive Junky, etc.
10L Tap Shifter:
Product Code: GDI-10L-HP
COMPATIBLE WITH 2017-2021 TRUCK 10L90'S ONLY. 2022+ ETRS Transmission's are not supported!
Our harness package includes the standalone wiring harness, programmed ECM with base tune, programmed TCM with base tune, and ETC pedal.
Newly supported 2nd Generation 10 speed automatic transmissions with programmable T93 modules.

1st generation 10 speed automatics are from:
-2018-2020 Escalades
-2018 Truck's/SUV's
2nd Generation 10 speed automatics are from:
- GMPP Crate Transmission
- 2019+ Silverado and Sierra's
- 2021 Truck's/SUV's

2022 ETRS Transmissions are not supported. Your transmission must have the ability to hook up a mechnanical shifter to the lever on the driver side of the transmission to be supported.


Please give us a call for additional details!
All online orders are for our default harness length. Our default harness length is approximately 42" from the passenger side rear head and mounts the modules under-the-dash. If you need a custom layout to mount the computer elsewhere, call to order.