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Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 8952
Experience:  I am ASE Master Truck Certified.
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Cat Man, I have a 2002 GMC 6500 With a 3126. All I can find

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Cat Man, I have a 2002 GMC 6500 With a 3126. All I can find for a datalink hook up is a obd2. is it possible to connect to this ecm with ET or do I need a GMC scan tool?
Thanks for asking your question. I will try and help you out.
Yes ET can connect to that. You will need the Cat adapter. The Cat part number is *****Please reply back if you need more help or have more questions. I am happy to assist.
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