RV Solar Roof Cable Entry Guide — Furrion, AIMS & Go Power

Replacing a roof-mounted solar connector or routing new wires through an RV roof? Start with the part number on the existing fitting. The Furrion 2021123870 connection is different from the Go Power 74671 and AIMS PV-2WEGMC4 solar-entry plates, even though all three perform a similar job.

Identify the three parts of a roof-entry run

The roof-entry fitting creates a managed passage for the solar circuit. Its job is mechanical weather protection and cable routing, not combining multiple PV strings or regulating battery charging.

1. Rooftop PV leadsPanel positive and negative connectors selected by the solar module
2. Roof entry plateTwo compatible connection points and a sealed roof penetration
3. Interior PV cableProtected cable route to the correctly specified solar charge controller
Original component-location illustration, not a roof drilling template or electrical wiring diagram. Connector polarity, termination and sealing depend on the chosen product.

Why a Furrion plug will not always match an MC4 cable

Exact model Brand Solar connector interface Identification
FSEB30JWO-BL / 2021123870 Furrion Original Furrion two-prong plugs Not the later MC4-equipped FSEB30JWO2-BL
GP-CEP / 74671 Go Power Two SC-type roof connectors Prewired solar cable-entry plate
PV-2WEGMC4 / 1007175 AIMS Power MC4-style connections Two-wire entry with 10-inch leads

The older Furrion 2021123870 part uses a proprietary Furrion connector. The newer FSEB30JWO2-BL uses MC4 connections instead. Go Power GP-CEP and AIMS use their own documented solar-connector layouts; confirm both mating ends before choosing an extension.

Go Power's GP-CEP is a two-cable rooftop entry accessory. AIMS identifies PV-2WEGMC4 with two MC4-style connections and short factory leads. In all cases, roof construction, wiring route and sealant compatibility need to be checked for the specific RV.

Compare actual rooftop fitting photographs

Roof entry plates and connection boxes

Go Power GP-CEP / 74671 — product photograph from this store
Go Power GP-CEP / 74671Two SC-compatible ports for roof solar entry. View the listing for product details and availability.
AIMS PV-2WEGMC4 / 1007175 — product photograph from this store
AIMS PV-2WEGMC4 / 1007175Two-wire MC4-style roof fitting and short leads. View the listing for product details and availability.

Go Power solar cable extensions

The short 74672 and 76216 cables are shown to help plan a route; they are not guaranteed mates for the legacy Furrion two-prong box. Match conductor size, polarity and connector systems.

Manufacturer installation references

Go Power's solar-flex manual illustrates its cable entry-plate arrangement and routing. Lippert documents the Furrion FSEB30JWO-BL as a separate connector family. AIMS identifies the PV-2WEGMC4 in its solar accessories catalog.

Go Power GP-CEP product reference · Go Power roof-entry installation drawing · Furrion 2021123870 manufacturer reference · AIMS solar components catalog

Roof integrity and electrical safety: Before drilling, identify hidden roof framing and wiring, obtain the appropriate mounting and sealant instructions, and isolate the PV circuit. Solar modules can remain energized in daylight. No rooftop fitting alone proves a watertight installation.

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