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Is the KI-825 Electronic HSI a direct replacement for existing KI-525A HSIs?

April 26, 2017electronic existing HSI hsis ki-825 replacement

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Is the KI-825 Electronic HSI a direct replacement for existing KI-525A HSIs?

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No. Although, the KI-825 uses the same two 41 pin type connectors that the KI-525 has, there are several wiring differences between them. Also, the KI-825 has a third 50 pin connector that is used for the expanded features of the KI-825 such as Nav/GPS switching. The KI-825 utilizes a configuration module to store settings and parameters that must be programmed into the KI-825 to use the additional functions and features of it.