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The Garmin CL2 Extension Cable (LL84201) is a specialized marine-grade transducer extension cable. The “LL84201” and “CL2” designations typically refer to its UL-rating (Class 2) and cable manufacturing compliance, ensuring it is safe for in-wall/bulkhead routing on a vessel.
This cable is used to extend the reach between a Garmin transducer and the head unit (Fishfinder/Chartplotter). It is essential for larger vessels where the standard transducer cable length is insufficient to reach the bridge or console.
Cable Rating: CL2 (Class 2) rating indicates the jacket is fire-resistant and suitable for routing through boat hulls and bulkheads.
Design: Features keyed, waterproof (IPX7) connectors to maintain signal integrity for sensitive sonar frequencies (Traditional, CHIRP, ClearVü/SideVü).
Shielding: High-density shielding to prevent electromagnetic interference (EMI) from engine alternators or other onboard electronics.
| Feature | Specification |
| Connector Type | Usually 4-Pin, 8-Pin, or 12-Pin (Verify your pins) |
| Length | Standard lengths: 10 ft (3m) or 30 ft (9m) |
| Cable Jacket | CL2-Rated, UV-resistant, and Waterproof |
| Pin Configuration | Gold-plated contacts for corrosion resistance |
| Compatibility | Garmin echoMAP series, STRIKER series, and GPSMAP series |
| Model Reference | Garmin Part No. 010-11617-XX (depends on pin count) |
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