{"id":22735,"date":"2024-08-29T20:15:50","date_gmt":"2024-08-29T20:15:50","guid":{"rendered":"https:\/\/audiocentras.lt\/produktas\/alpine-kwe-pxe8-uni-wiring-harness\/"},"modified":"2026-09-29T18:55:39","modified_gmt":"2026-09-29T18:55:39","slug":"alpine-kwe-pxe8-uni-wiring-harness","status":"publish","type":"product","link":"https:\/\/audiocentras.lt\/en\/produktas\/alpine-kwe-pxe8-uni-wiring-harness\/","title":{"rendered":"Alpine KWE-PXE8-UNI Wiring Harness"},"content":{"rendered":"

The Alpine KWE-PXE8-UNI wiring harness<\/strong> is a universal modular connection solution designed to connect the Alpine OPTIM8 PXE-C80-88<\/strong> to the vehicle\u2019s original audio system connector.<\/p>\n

The harness is intended for systems with a 52-pin Quadlock connector<\/strong>, but the presence of this connector alone does not confirm compatibility.<\/p>\n

What this wiring harness is designed for<\/h2>\n

This accessory connects the processor\u2019s input and output connectors to the vehicle\u2019s Quadlock<\/strong> speaker-wire inserts. Separate input and output branches make the direction of the signal connections easier to identify.<\/p>\n

This is not a general-purpose harness for every audio processor. On the processor side, it uses a dedicated 20-pin input connector<\/strong> and 12-pin output connector<\/strong>. These connectors are designed for the connection layout of the OPTIM8 PXE-C80-88.<\/p>\n

Compatibility requirements<\/h2>\n

The harness may be suitable for vehicles equipped with a 52-pin factory audio connector. However, the original ISO Quadlock speaker-wire inserts<\/strong> must also be removable.<\/p>\n

Mercedes-Benz, BMW and Volkswagen Group vehicles are examples of systems that may use a suitable arrangement. This does not mean that the harness is compatible with every model from these manufacturers. Radios and factory audio systems fitted in different model years may use different connector configurations.<\/p>\n

Before choosing the harness, identify the exact vehicle model, year of manufacture and factory radio-system version. The factory audio-system configuration is also important. The vehicle make alone is not a sufficient basis for selection.<\/p>\n

Connectors and their functions<\/h2>\n
    \n
  • 20-pin OPTIM8 input connector:<\/strong> connects to the processor\u2019s input side. It is not an alternative to the 12-pin connector.<\/li>\n
  • 12-pin OPTIM8 output connector:<\/strong> connects to the processor\u2019s output side. The different pin counts help distinguish the functions of the two branches.<\/li>\n
  • 8-pin Quadlock input insert:<\/strong> connects on the speaker-signal input side. Its design must match the removable original insert.<\/li>\n
  • 8-pin Quadlock output insert:<\/strong> is used on the speaker-signal output side. The input and output inserts should not be interchanged.<\/li>\n<\/ul>\n

    Planning the connection<\/h2>\n

    Before making the connections, identify the input and output sides of both the processor and the Quadlock interface. The number of pins indicates the intended function of each connector; it does not represent an optional connection method.<\/p>\n

    The harness physically connects the specified OPTIM8 and Quadlock input and output interfaces.<\/p>\n

    First, arrange all connectors in their intended installation positions. Only then should you complete the connections and secure the harness. Planning the layout in advance helps prevent strain around the connector housings.<\/p>\n

    Installation location<\/h2>\n

    The harness can be positioned between the vehicle\u2019s original radio wiring and the OPTIM8 processor. Choose a location where trim panels will not press against the connectors. The wires should not touch moving components or vehicle parts that become very hot.<\/p>\n

    Allow enough space for all four connector branches. A sharp bend close to a connector housing may place stress on the contacts. Once secured, the harness should not be able to move freely while the vehicle is being driven.<\/p>\n

    Technical specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
    Model<\/th>\nAlpine KWE-PXE8-UNI<\/td>\n<\/tr>\n
    Product type<\/th>\nUniversal modular vehicle wiring harness<\/td>\n<\/tr>\n
    Purpose<\/th>\nConnecting the Alpine OPTIM8 PXE-C80-88 to the vehicle\u2019s original audio system connector<\/td>\n<\/tr>\n
    Vehicle connector<\/th>\n52-pin Quadlock connector with removable original ISO Quadlock speaker-wire inserts<\/td>\n<\/tr>\n
    OPTIM8 input<\/th>\n1 \u00d7 20-pin input connector<\/td>\n<\/tr>\n
    OPTIM8 output<\/th>\n1 \u00d7 12-pin output connector<\/td>\n<\/tr>\n
    Quadlock input<\/th>\n1 \u00d7 8-pin insert for speaker-signal input<\/td>\n<\/tr>\n
    Quadlock output<\/th>\n1 \u00d7 8-pin insert for speaker-signal output<\/td>\n<\/tr>\n
    Examples of potentially suitable vehicles<\/th>\nMercedes-Benz, BMW and Volkswagen Group vehicles that meet the stated connector requirements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    FAQ<\/h2>\n

    Is finding a 52-pin Quadlock connector in the vehicle enough?<\/h3>\n

    No. The original ISO Quadlock speaker-wire inserts must also be removable, and the factory audio-system configuration must be taken into account.<\/p>\n

    Is this harness suitable for any audio processor?<\/h3>\n

    No. Its processor-side connectors are intended for the Alpine OPTIM8 PXE-C80-88. Other processors may use a different connector layout.<\/p>\n

    How can I distinguish the processor input and output connectors?<\/h3>\n

    The input side uses a 20-pin connector, while the output side uses a 12-pin connector. They perform different functions.<\/p>\n

    Does the harness fit every BMW, Mercedes-Benz and Volkswagen Group vehicle?<\/h3>\n

    No. These manufacturers are only examples of potentially suitable systems. Compatibility depends on the specific model year, radio, audio system and Quadlock insert design.<\/p>\n

    Where should the wiring harness be installed?<\/h3>\n

    Position it between the vehicle\u2019s original radio wiring and the processor. Select a location where the connectors will not be strained, compressed or able to move freely.<\/p>\n","protected":false},"excerpt":{"rendered":"

    The Alpine KWE-PXE8-UNI<\/strong> is a modular wiring harness designed to connect the OPTIM8 PXE-C80-88 to the vehicle\u2019s original audio system connector. It is used with a 52-pin Quadlock connector whose original ISO speaker-wire inserts are removable. Separate processor and Quadlock input and output connectors make the signal directions easy to distinguish.<\/p>\n","protected":false},"featured_media":22722,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_members_access_role":[],"_members_access_error":""},"product_brand":[],"product_cat":[439,78],"product_tag":[265,642,3067,3070,3072,3075,3074],"class_list":["post-22735","product","type-product","status-publish","has-post-thumbnail","product_cat-car-audio","product_cat-kabeliai","product_tag-alpine","product_tag-car-audio-accessories","product_tag-kwe-pxe8-uni","product_tag-optim8","product_tag-pxe-c80-88","product_tag-quadlock","product_tag-wiring-harness","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nAlpine KWE-PXE8-UNI Wiring Harness for OPTIM8<\/title>\n<meta name=\"description\" content=\"Alpine KWE-PXE8-UNI harness for connecting the OPTIM8 PXE-C80-88 to a 52-pin Quadlock system with removable speaker-wire 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