If you're looking for a one-stop shop for your harness and its components, then buying a complete harness package from Speartech is the way to go.
Our harness packages include:
- Speartech standalone wiring harness
- Programmed Engine Control Module (ECM)
- Programmed T42 Transmission Control Module (TCM) (if applicable)
- Electronic Throttle Control (ETC) Pedal
We offer harness packages to those looking for a complete package to get up and running easily, at a discounted rate compared to buying each part separately.
We have been in the business for over 20 years perfecting the process of LSx harness building to ensure an accurate fit, quality appearance, and trouble-free operation. All harnesses are built in house, on an actual engine and test ran with a GM Tech 2 diagnostic scan tool hooked up to ensure proper functionality before shipping.
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