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help! 850 1994

So...I have replaced the wiring harness and it at least solved one problem - the ecu and Idle Air Control don't heat up anymore. But still no start! Just cranking. One thing that is also different is that the main relay buzzes loudly with key in position II. I tried three different relays and all the same. Also, I get a code in A-6 (Ignition ecu) that indicates no signal from injectors. Does any of this mean anything to anybody??






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