superchip is a loose term really. . as superchip have done lots of different variations from just a fcd to a full blown piggy back ecu which alters the inputs and outputs from and to the ecu to allow it to be tricked to run more boost and different fuelling and ignition but these have a number of wire connections and don't look like that.
It could however also be altering the speed input to the ecu and removing the speed limiter.. difficult to see where it is connected to.., but it just has 3 connections which makes it unlikely to be any of the above.. normally there is power and ground and then signal in and signal out on them.
But regardless it is not an ESL board.
Simon
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