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Thanks, is #6 the black w/ red tracer, output to battery? I already tried a heavier wire direct from there to battery, no change, but I will have another look for flakey connections and corrosion
G



That almost certainly points to a poor system ground.


A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)