LS Swap DBW Standalone 97-04 LS1 Engine Wiring Harness With 4L60E


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 stand alone engine and transmission wiring harness comes in.

  • Fits LS1/LS6 (5.7L) Corvettes, Camaros, and CTS-V’s
  • Fits drive-by-wire applications with LS1 intake manifolds and 4L60E transmission



LS Swap LS1 Wiring Harness

When it comes to engine swaps, here at Karl Kustoms, we know the LS is often the answer. The LS is great, but the wiring can often be a challenge. Getting old and new electrical systems work together is always a struggle. That’s why this standalone wiring harness is an excellent option for your LS build – it will save you headaches.

This LS1/LS6 System is intended for drive-by-wire applications with LS1 intake manifolds. If this harness isn’t correct for your application, check out our other wiring harness offerings here. Or, if you’d like to learn more about a recent custom build here in our shop, check out this post. This standalone wiring kit includes everything you need to help get your Gen III LS engine running.

Important Notes

This harness fits 97-04 Gen III LS applications and is intended for use with GM 12200411 (Commonly known as 0411) PCM’s, GM 12565643 accelerator pedal, GM 12578953 TAC Module, and 5 pin MAF. Other features:

  • Harness
  • For drive-by-wire throttle applications
  • EV1 injectors
  • Rear-mount camshaft position sensor
  • For use with 4L60E, 4L70E, and 4L75E transmissions
  • LS1 style MAP sensor (For LS3 style sensor, you will need our 81033 adapter.)
  • WH1211

When it comes to your build, you know Karl Kustoms has you covered. With over 20 years in business and our own in-house custom shop, we know what it takes to help you get your build done. We’re happy to offer free shipping on orders over $99 to the lower 48. You can contact us here or give us a call at 866-697-8615.

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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