HI new here and been reading and reading found some answer but not all, here is my problem hope someone can help.sled will not idle, backfires out of exhaust, no tach or gas gauge.new gas and plugs installed, compression test good, switching high beams off and on does nothing for tach, traced as much of wire harness for rub thru without pulling it all out, did stator tests, only get one reading on source coil, can't get a reading from BR-BR/R, with only getting one reading would sled even start and run like that if that reading is accurate?pulling my hair out need help.
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