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Re: Modis Ultra oscilloscope/DLC Mercedes key won't turn
Posted to Snap-on Handheld Users Group on 7/13/2020 4 Replies

When the tool is plugged into the DLC, pins 4&5 of the DLC put ground on the tool chassis. The ground leads for the scope are internally connected to tool chassis. That puts car chassis ground on the scope ground leads. If the scope ground leads are connected ... Login to read more.

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