• HOURS of Operation

    Open Monday - Friday 9A-4:30P EST

    QUESTIONS? GIVE US A CALL! 1 (765) 378-4908

    We're closed on major holidays.

  • Standard order lead time for STANDALONE WIRING HARNESSES 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.

Navigate to the Speartech Fuel Injection Systems homepage

LS and LT Retrofit Specialists
Call to order today

LT4/Manual Harness Package (2015-2016)
LT4/Manual Harness Package (2015-2016) - Image 1 of 0
LT4/Manual Harness Package (2015-2016) - Image 2 of 0
LT4/Manual Harness Package (2015-2016) - Image 1 of 0
LT4/Manual Harness Package (2015-2016) - Image 2 of 0
LT4/Manual Harness Package (2015-2016) - Image 1 of 0
LT4/Manual Harness Package (2015-2016) - Image 2 of 0

LT4/Manual Harness Package (2015-2016)

$0.00
Choose your options:
Fuel System:
Year/Model of Donor Vehicle(required):
Transmission:
Add MAF Sensor?:
Add O2 Sensors?:
Gear Ratio/Tire(required):
Cruise Control(optional):
Emissions Wiring(required):
Front End Drive(required):
Examples are Holley, Wegner, CVF Racing, Drive Junky, etc.
Product Code: LT4-M-HP
Our harness package includes the standalone wiring harness, programmed ECM, and ETC pedal.

Transmission vehicle speed data maybe off and require a local tuner adjust your VSS data.

For use with 2015-2016 LT4 engine's only that have a 4-wire Fuel Rail Pressure Sensor.

Please give us a call for additional details or any questions you have prior to ordering.