Not cranking over but will with relay but now no spark

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You MAY have some wire conductors cross-welded within the harness if it has been heated. Look for "fried looking" LOL or smelly areas of the harness. Unwrap in various places and look for damaged insulation from heat
K I checked around the harness and didn't see anything else stiff besides where I replaced..but I will start opening everything I see going to everywhere to find the problem.. sucks when it's somewhere in the harness and not a defective part..I think due to age I'm going to get bunch of wire and start putting new on each component as I go!!.. thanks again for your help..your comments and previous stuff I've saw looking on internet is very helpful..