Product Summary

09-14 Chevy, 09-14 GMC, 12 Number of Circuits

  • Drive-By-Wire Throttle
  • 4L80E (11-pin) Automatic Transmission
  • EV6 Injector Plug Style
  • Mechanical and Vacuum Advance Type
  • Standard Harness Length
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Key Specs

MFG. Part #28912131
Number of Circuits12
Fuse Block IncludedYes
Compatible with GM ColumnYes
Ignition Key LocationColumn
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Speedway Motors 28912131 Details

An LS engine swap is a no-brainer when it comes to adding some affordable horsepower to a project car, but any swap comes with its share of headaches, including wiring. That's where this engine and transmission wiring harness comes in. It is designed for 5.3 L LH6, LY5, LMG, and LH8 engines from '09 - '14 drive-by-wire GM trucks with 4L80E automatic transmissions.

  • Drive-By-Wire Throttle
  • 4L80E (11-pin) Automatic Transmission
  • EV6 Injector Plug Style
  • Mechanical and Vacuum Advance Type
  • Standard Harness Length
  • Fuse Block Included

Included Connectors:

  • Fuse/Relay Box
  • Fuel Pump Control
  • Fan Controls
  • Check Engine Light
  • Speedometer
  • Tachometer
  • OBD2
  • Accelerator Pedal and Throttle Body Control
  • MAF Sensor
  • MAP Sensor
  • Engine Coolant Temp Sensor
  • Alternator Control
  • (2) Upstream Oxygen Sensors
  • Crankfshaft Position
  • Camshaft Position
  • Fuel Injectors
  • Coil Packs
  • Transmission Control
  • Knock Sensors

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Speedway Motors 28912131 Specifications

KEY SPECS
MFG. Part #28912131
BrandSpeedway Motors
Number of Circuits12
Fuse Block IncludedYes
Compatible with GM ColumnYes
Ignition Key LocationColumn
GENERAL
Fuse StyleATO/ATC
Harness LengthStandard

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