Tracing a fault on a Bose Acoustimass board, I've found one blown
component that I can't identify

It's in an 0805 package, pink, with RL2 written on it

There are two others on the board that measure 7k ohms either way. The
blown part measures considerably more, and assymetrically

It's in a series configuration. On one side of it is a pin of the 5-pin DIN
socket, which is for an inputted 12VDC control signal. On the other side
of it is a 100k resistor

To me, the measurements and siting of it rule out a capacitor, diode
and inductor. And if it was a resistor, why is it pink and without an
ohmmage marking like every other resistor on the board ?

Any ideas ?

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