{"product_id":"heise-axxess-gm-06-up-lan-29-interface-retains-rap-and-nav-outputs","title":"Heise Axxess GM 06-Up LAN 29 Interface - Retains RAP and NAV Outputs","description":"\u003cp\u003eOur review of the Heise Axxess GM 06-Up LAN 29 Accessory and Nav Output Interface finds it aimed squarely at installers and DIYers who need to restore accessory power and navigation signals when upgrading or replacing factory radios. The single biggest reason to buy is its ability to provide 12-volt 10-amp accessory power while retaining R. A. P., along with dedicated NAV outputs like parking brake, reverse and speed sense, which simplifies integration in non-amplified or replaced amplified systems. It is a practical, installation-focused interface rather than a consumer audio gadget.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory Power:\u003c\/strong\u003e Supplies a stable 12-volt 10-amp accessory feed to power aftermarket head units without relying on the factory switched line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetained Accessory Power:\u003c\/strong\u003e Keeps R. A. P. functionality so accessories remain powered for a programmed time after ignition off, preserving expected vehicle behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAV Outputs:\u003c\/strong\u003e Provides parking brake, reverse and speed sense outputs needed to enable navigation and safety interlocks on many aftermarket radios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility with Non-Amplified Systems:\u003c\/strong\u003e Designed for use in vehicles without factory amplifiers or when replacing amplified systems, avoiding complex amplifier integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Speaker Input:\u003c\/strong\u003e Accepts speaker-level signals from factory radios so audio can be converted and routed when line-level outputs are absent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis interface is best for professional car audio installers and experienced DIY enthusiasts working on GM vehicles from 2006 and up that use LAN-style factory audio connections. If the job requires retaining accessory power and providing clean navigation control signals while removing or bypassing factory amplifiers, this unit handles those tasks without needing separate modules.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who want a consumer plug-and-play adapter without any wiring or those needing a full DSP or amplification solution built into the interface; the Heise Axxess interface is focused on signal routing and power retention rather than tone shaping or boosting output power.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides a reliable 12-volt 10-amp accessory source, eliminating the need to jury-rig power for aftermarket radios.\u003c\/li\u003e\n\u003cli\u003eRetains R. A. P. so vehicle accessory behavior remains consistent after installation.\u003c\/li\u003e\n\u003cli\u003eExposes essential NAV outputs like parking brake, reverse and speed sense for safe navigation integration.\u003c\/li\u003e\n\u003cli\u003eHandles high-level speaker input, useful when factory line-level outputs are not available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot a substitute for an amplifier or full DSP if the project requires added power or advanced signal processing.\u003c\/li\u003e\n\u003cli\u003eRequires installer familiarity with vehicle wiring and LAN-style GM systems; not fully plug-and-play for novices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAccessory and NAV output interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Power\u003c\/td\u003e\n\u003ctd\u003e12-volt, 10-amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetained Function\u003c\/td\u003e\n\u003ctd\u003eR. A. P. (Retained Accessory Power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNAV Outputs\u003c\/td\u003e\n\u003ctd\u003eParking brake, reverse, speed sense\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eNon-amplified or replaced amplified factory systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Input\u003c\/td\u003e\n\u003ctd\u003eHigh-level speaker input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Heise Axxess GM 06-Up LAN 29 interface is a practical, installer-oriented solution for retaining accessory power and exposing navigation signals when replacing or bypassing factory audio systems. It offers clear value for projects that need reliable 12-volt 10-amp accessory feed and NAV outputs, but those wanting amplification or onboard DSP should pair it with additional components.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this provide accessory power for aftermarket radios?\u003c\/strong\u003e\u003cbr\u003eYes, it supplies a 12-volt 10-amp accessory output suitable for most aftermarket head units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it preserve retained accessory power features?\u003c\/strong\u003e\u003cbr\u003eYes, the interface retains R. A. P. so accessory behavior after ignition off remains functional.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used if the vehicle has a factory amplifier?\u003c\/strong\u003e\u003cbr\u003eIt is intended for non-amplified systems or when replacing amplified systems; additional steps are required to integrate with some factory amplifiers.\u003c\/p\u003e","brand":"Axxess","offers":[{"title":"Default Title","offer_id":48196468637915,"sku":"B085Z66GYZ","price":56.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51v6dgiKyxL._AC_SL1100.jpg?v=1769796007","url":"https:\/\/gearmusthave.com\/products\/heise-axxess-gm-06-up-lan-29-interface-retains-rap-and-nav-outputs","provider":"GearMustHave","version":"1.0","type":"link"}