Tech2 main unit is for sale now, if your gm tech2 multiplexer is bad, you can buy from us, you can choose the same multiplexer which you bought before, then you can use it normally with new gm tech2 main unit.
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Tech2 Multiplexer GM Scanner Main Unit
When you try to buy the GM Tech2 Multiplexer, please choose the same Multiplexer which you brought before
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