METRA 82-SU1 speaker adapter and wire harness kit 6.5-6.75 in car electronics accessory
- Speaker Spacers
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Plugs into the factory harness of 1986-1996 Infiniti and Nissan models for aftermarket radio installation
This wiring harness connects an aftermarket stereo to the factory harness in Infiniti and Nissan models produced between 1986 and 1994. Supported vehicles include the 240SX, 300ZX, Maxima, Sentra, Pathfinder, Hardbody and Skyline among many others. It is designed for owners replacing the original radio without cutting the OEM wiring.
The plug matches the factory connector so no splicing or soldering is required during fitting. Colour-coded leads correspond to standard aftermarket head-unit wiring for straightforward identification. The harness draws no additional power beyond the stereo itself and adds no audible noise to the audio signal.
Using this adapter preserves the vehicle’s original harness for future restoration or resale value. It occupies the same dashboard space as the factory radio plug and requires no extra brackets or mounting hardware. Installers who need steering-wheel control integration or amplified-system interfaces will need separate modules not included here.
| Type | Car Stereo Add-Ons |
|---|
Align the harness connector with the vehicle's factory plug and press firmly until it clicks; the moulded pins match the 1986-1994 Infiniti and Nissan pinout so no splicing is required.
The harness uses crimped terminals and automotive-grade insulation rated for under-dash heat; it typically lasts the life of the radio unless a connector is damaged during removal.
The factory wiring and connector pins are sized for the original radio current draw; sustained high-power amplifier output can exceed that capacity and cause voltage drop or melted terminals.
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