Hello Wirat, and welcome to the forum.
If you do not have the correct card for your PGM-IV, it may be hard to buy a new one in Thailand. You can try TYGA Performance (based in Sattahip) or Red Baron in BKK.
Maybe it is easier to fit a PGM-III and MC21 wiring harness instead. You may be able to buy it second hand from Red Baron.
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Andy.
NSR-WORLD.COM
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