Mastodon DBC LS1 Standalone W/ 4L60E Evi Plug Wiring Harness

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