Model: ADS-THR-NI4
from $49.99
The Firstech T-Harness is a remote start T-harness designed for select 2004-2021 Nissan, Infiniti, Suzuki, and Chevrolet vehicles. This black T-harness simplifies the installation of a remote start system by providing a direct plug-and-play connection, eliminating the need for extensive wire cutting or splicing. Each package includes one T-harness, backed by a 1-year limited warranty on both parts and labor.
A vehicle-specific harness is mandatory to avoid cutting factory wires. Modern cars require 'smart' interface modules to retain steering wheel controls and warning chimes. Available from $49.99.
Wiring harnesses have zero ongoing costs. Once installed correctly, they last the lifetime of the vehicle unless damaged by pests or physical modification.
Common Failure Modes
Failure is almost always due to poor installation, such as loose crimps or exposed wires shorting out. Vibration over time can cause poorly routed wires to chafe.
A vehicle-specific harness is mandatory to avoid cutting factory wires. Modern cars require 'smart' interface modules to retain steering wheel controls and warning chimes.
Wiring harnesses last the life of the vehicle unless damaged by pests, heat, or modification.
The Firstech T-Harness for Select 2004-2021 Nissan, Infiniti, Suzuki, and Chevrolet Vehicles is available at abt, crutchfield, starting at $49.99.
Wiring harnesses have zero ongoing costs. Once installed correctly, they last the lifetime of the vehicle unless damaged by pests or physical modification.
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