
Keep your OEM wiring intact and take the guesswork out of identifying appropriate speaker wires with the LocPRO Advanced T-Harness for Select Chevrolet, Infiniti, Nissan, and Subaru Vehicles by PAC. The LPHNI03 provides speaker leads, 12V, and ground inputs for adding aftermarket audio equipment to factory non-amplified audio systems. This T-harness can be used with any line output converter, amplifier, or digital signal processor (DSP).
Q: What is the weight of this product?
A: This product weighs 0.4 pounds.
Q: How does this harness make installation easier?
A: The LocPRO Advanced T-Harness uses color-coded E.I.A. wires for quick and easy installation.
Q: Does this work with all car audio systems?
A: This harness is designed for factory non-amplified systems with 20-pin lock type connectors.
Q: Can I use this with a subwoofer?
A: Yes, the harness simplifies subwoofer installation and includes the LPH-SPK (E) subwoofer T-harness pigtail for easy connections.
Q: Is there an option for a longer harness?
A: Yes, you can purchase a 17’ speaker harness extension (LPHEXT17) separately for added flexibility.
Q: What does this T-harness do?
A: The LocPRO Advanced T-Harness lets you add aftermarket audio equipment to factory non-amplified audio systems in select Chevrolet, Infiniti, Nissan, and Subaru vehicles.
Q: Will it work on 2019 Chevy Silverado 1500
A: Unfortunately this harness is not compatible with that vehicle
Q: Will this work in an inifinity q40?
A: That will not work in the Q40, we do not have a solution for your vehicle.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Keep your OEM wiring intact and take the guesswork out of identifying appropriate speaker wires with the LocPRO Advanced T-Harness for Select Chevrolet, Infiniti, Nissan, and Subaru Vehicles by PAC. The LPHNI03 provides speaker leads, 12V, and ground inputs for adding aftermarket audio equipment to factory non-amplified audio systems. This T-harness can be used with any line output converter, amplifier, or digital signal processor (DSP).

Easily add an aftermarket amplifier to your vehicle’s factory audio system with the LocPRO 4-Channel Line Output Converter by PAC. The LP6-4 converts speaker-level (high-level) audio signals to RCA preamp (low-level) signals so you can install an aftermarket amplifier without replacing your factory radio. This four-channel line output converter can also be used to retain your vehicle’s OEM amplified audio system when replacing the factory radio.

Update your vehicle's sound system with this wiring harness that allows the installation of an aftermarket radio into most 1987 and later Toyota Scion models.
| Pros for PAC - LocPRO Advanced T-Harness for Select Chevrolet, Infiniti, Nissan, and Subaru Vehicles - Multi | |||
|---|---|---|---|
| There were no pros for this product— | Ease of use, Installation, Compatibility, Sound Quality, Line Output | Ease of use, Installation, Compatibility, Fit, Quality | Ease of use, Installation, Fit, Price |
| Cons for PAC - LocPRO Advanced T-Harness for Select Chevrolet, Infiniti, Nissan, and Subaru Vehicles - Multi | |||
| There were no cons for this product— | RCA Jacks | There were no cons for this product— | There were no cons for this product— |