External Compas on apm 2.6

Hello everybody I bought a Chinese version on the APM 2.6 board with an external compass and GPS 

3691096784?profile=original

The same as on this picture.

My problem is the compass is never pointing the same direction even after calibration on the Apm planner.

So I decided to buy an external compass on internet, and here is my problem, the one that 3dr sell on there website is different from the one that I bought, the 3DR as more "chip" on the boar.

3691096857?profile=originalThis is the one that I bought. (HMC5883L Triple Axis Compass Magnetometer Sensor Module For Arduino)

3691096952?profile=original

And this one is the 3DR one.

Is there any chance that replacing the compass on the GPS by the fist picture chip will work ?

because I tried everything I could with the actual one. If i unplug the compass, the board set the north

on its booting position. 

Thank you!

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