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SKU:
NLT1Q01822
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1999-2006 LS Swap Standalone Wiring Harness | DBC 4.8L 5.3L 6.0L 4L60E
$219.99
In Stock
$219.99
Sale price
$219.99
Regular price
This aftermarket standalone harness is configured for compatible 1999-2006 GM 4.8L, 5.3L, and 6.0L LS-based drive-by-cable engines with a 4L60E transmission.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- 1999-2006 GM 4.8L LS-based V8 swaps with drive-by-cable throttle
- 1999-2006 GM 5.3L LS-based V8 swaps with drive-by-cable throttle
- 1999-2006 GM 6.0L LS-based V8 swaps with drive-by-cable throttle
- Compatible LS1-style engine management using EV1 injectors and a 4L60E automatic transmission
Product Overview
An LS swap succeeds or fails on the details hidden inside the wiring. This harness is for builders pairing a cable-operated throttle engine with a 4L60E and needing a cleaner standalone engine-and-transmission connection outside the donor vehicle.
Confirm the PCM generation, injector connectors, transmission plug, oxygen-sensor plan, and accessory strategy before purchase. A harness labeled for DBC will not solve a drive-by-wire combination, and custom swaps may still require vehicle-side power, grounds, relays, gauges, and programming.
This is a high-quality aftermarket replacement or service part and is not manufactured or supplied by the original equipment brand.
Key Features & Performance
- Standalone layout removes unrelated donor-body circuits
- Configured around a drive-by-cable throttle and electronically controlled 4L60E
- Supports common Gen III truck-engine swap combinations
- Aftermarket foundation for custom 12-volt vehicle installations
Common Uses
- Replacing a cut, brittle, or incomplete donor harness
- Simplifying an LS installation in a classic car, truck, or project chassis
- Starting a swap with organized engine and transmission wiring
Technical Specifications
- Product Type: Standalone engine and transmission wiring harness
- Engine Range: GM 4.8L, 5.3L, and 6.0L LS-based V8
- Model Years: 1999-2006 compatible Gen III systems
- Throttle Type: Drive by cable (DBC)
- Transmission: 4L60E automatic
- Injector Connector: EV1-style applications
Installation & Fitment
- Lay the harness on the engine and confirm every connector before applying power
- Use clean engine, chassis, and battery grounds sized for the starting and charging system
- Protect routing from exhaust heat, sharp edges, steering parts, and driveline movement
- Have PCM programming and final circuit integration completed by a qualified swap technician when needed
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown. Model names and year ranges alone may not guarantee fitment. Always compare the original component, reference number, dimensions, connectors, engine or vehicle identification, and installed configuration before purchase.
Frequently Asked Questions
Q: Will this work with a drive-by-wire throttle body? A: No. This configuration is intended for drive-by-cable systems.
Q: Can it operate a 4L80E? A: It is described for a 4L60E; a 4L80E generally requires the correct harness configuration and calibration.
Q: Is this a complete plug-and-play solution for every chassis? A: No standalone harness can account for every custom vehicle. Chassis power, grounds, fuel-pump control, gauges, fans, and programming still require planning.
Q: How should final fitment be confirmed? A: Match the original component and every listed identifier and physical detail; contact Northline Parts with the model, serial number, VIN, engine code, or clear photos when additional help is needed.
Part Summary
keywords: LS swap standalone wiring harness, 4.8 5.3 6.0 DBC harness, LS1 4L60E swap wiring, 1999-2006 Gen III harness, drive by cable LS swap part
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.