LS Swap Wiring Harness For 97-06 LS With 4L60E Transmission(Drive By Cable)


  • Fits LS1/LS6 (5.7L) Corvettes and Vortec (4.8L, 5.3L, 6.0L) GM trucks
  • Fits drive-by-cable applications
  • Designed for 4L60E based transmissions
  • 24X Crank Reluctor
  • Includes EVI to Multec Injector Adapters

Available on backorder

LS Swap Stand Alone Wiring Harness

An LS swap is a very popular and affordable engine choice for project cars. One of the biggest challenges can be the wiring, especially in older cars. Karl Kustoms offers a plug-n-play wiring harness solution to take all the guesswork out of your labor of love. This harness includes a fuse block and all the connectors you need to get your ride running quickly and reliably.

Do you want to learn more about LS engine swaps? Check out our blog post here. If you’re looking for an LS Crate Engine you can learn more about the history of the LS engines and what we offer here.

Karl’s Kustoms is here to help you make your next build the best it can be, as a top-rated retailer of Chevy performance engines, parts, and accessories, and with over 40 years of dedication to GM performance.

What’s 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, Manual or Automatic Transmission Control, Knock Sensors

Important Notes

  • Harness fits 97-06 Gen III LS-based engines.
  • Set up for drive-by-cable throttle body, EV1 injectors, and rear mount camshaft position sensor.
  • EV1 to Multec Injector Adapters Included
  • Must re-use existing coil sub-harnesses.
  • For 4L60E, 4L70E 4L75E Transmissions.
  • Uses LS1 style MAP sensor (for LS3 style sensor you will need our 81033 adapter harness).
  • Uses 5-pin MAF.
  • For use with GM 9354896 or 12200411 (Commonly known as 0411) PCMs.
  • WH1201
Weight 12 lbs
Dimensions 6 × 18 × 12 in

Product Type

Engine Wiring Harness

LS Swap Wiring Harness Specs

  • Fits LS1/LS6 (5.7L) Corvettes and Vortec (4.8L, 5.3L, 6.0L) GM trucks
  • For drive-by-cable applications
  • Designed for 4L60E, 4L70E, 4L75E based transmissions
  • 24X Crank Reluctor
  • Throttle: Drive-by-Cable
  • Injector Plug Style: EV1….Includes Multec Adapter Harnesses
  • Harness Length: Standard
  • Fuse Block Included: Yes
  • Quantity: Sold as a Kit

KPPWH1201_Engine Harness_Instructions


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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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