DBC LS1 standalone wiring harness with 4L60E transmission integration — the plug-and-play harness for the most common LS swap configuration: 1997–2006 Vortec / LS1 with drive-by-cable throttle body and EV1-style fuel injectors, paired with a 4L60E automatic.
Standalone design means no donor-vehicle electronics or BCM required — only switched power, constant power, and ground need to be supplied. Includes dash connections for speedo, tacho, park/neutral, TCC, MIL, and DLC port.
Specifications:
- Application: 1997–2006 GM LS1 / 4.8L / 5.3L / 6.0L Vortec engines (DBC throttle body, EV1 injectors)
- Transmission: 4L60E (works with 4L80E with adapter)
- MAF: 3-wire
- Alternator: 1-wire compatible
- Includes: Engine harness + dash connections (speedo, tacho, park/neutral, TCC, MIL, DLC)
- Required: Switched power, constant power, ground
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