I don't know if it would help (in time), but I could send a 7.2 DME, key fob, and M535 box if you want to check it by swapping out the set. I forget what year car you have. Buy it or borrow it....
I've been surprised how often grounds are overlooked. There is a grounding point to the right of the DME mount (if you are facing forward) and the main engine ground from the lower starter bolt to the SAI blower bracket.
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I am not an attorney, mechanic, or member of the clergy. Following any advice given in my posts is done at your own peril.
Last edited by 78F350; 06-17-2021 at 04:57 PM.
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