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FT-DM800
Compustar FT-DM800 Positive to Negative Input Adapter
$11.99 CAD
This is the Compustar FT-DM800 Positive to Negative Input Adapter.
This product is used for converting a vehicle positive input (for example if the vehicle had a positive ARM input) to a negative input that the Compustar system can read (as Compustar systems accept negative inputs only (for the most part).
Watch below for a detailed explanaton: