S10 LS1 Wiring | LS6 Plug and Play Harness

Starting at: $2,300.00

We are now offering a direct plug and play LS1,and LS6 wiring harness solution for the 1999-2003 S10 / Blazer and GMC Sonoma. We have included the fuse box connector for direct plug and play-ability. As well as the proper connectors for the factory fuel pump sender, so you gauge and instrumentation are 100% correct.

We have included all factory options that are specified by the original donor harness and some have been excluded for function purposes. Please give SSW a call, every LS motor is different, we would like to walk and talk you through the process and ask you specific questions related to your motor.

  • Transmission Options T56- 4L60E -4L80E
  • VATS Delete Program Loaded in Your ECM.
  • 100% Plug and Play Wiring
  • Brand New Wiring
  • Will Haul Major ASS
  • Way More Fun Than a Fast GO-Cart

Have a question, Call or Text 210-757-0672 and email Info@speedscenewiring.com Contact us now.


Add to Cart:

  • Model: S10+LS1+Wiring+ Harness
  • Shipping Weight: 40lbs
  • 100 Units in Stock
  • Manufactured by: Speed Scene Wiring. LLC

Harness Options:

Electric Fan Harness




Fuel Filter




Frame Mount Fuel Pump




ECM and Tune





This product was added to our catalog on Monday 07 January, 2013.

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