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I have twin 250 HPDI 2003. The 3 conductor wire that comes out of harness to hook up YDS system has a cap. I was under the impression that this cap had a jumper jumping out the black wire and Black and white wire. (Data wire blk / w and negative wire Blk) I have recently found out that my cap does not jump these wires out. Does any one know if these 2 wire are supposed to be bonded together? The motors run great while on YDS system however when the cap is put back on and get boat back to house they do not run good at all, idels on 3 cylinders and has speratic non consistant problems.
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