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International Automotive Technicians Network
Re: OBD Breakout Box
Posted to Tool & Equipment Forum on 11/29/2021

For my needs one from eBay I expect would be fine. The main thing to look for in the cheaper ones is whether they split the system and chassis grounds so you can check both for issues. Some combine the the grounds so you can't. Not too good. Here's a sample of... Login to read more.