August 28, 20205 yr I just picked up a 93 Loyale and it runs. A little rough but it runs. While looking things over notice there are 3 wire harnesses not plugged in to anything by the fuel filter. Anyone know what they are for?
August 28, 20205 yr The single pin white and green ones are for various ECU test modes, leave them disconnected. The bigger one is for a diagnostic tool to plug into.
August 28, 20205 yr Cars in general have MANY unused plugs. They are there for various reasons - usually diagnostics or options that model wasn't equipped with. GD
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