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Tiara Open 2002 Tiara 38 open ground issue
#1
Good Day, I have a 2002 38 open and my starboard gages (oil pressure, engine temp, transmission temp, etc.) all are erratic.  Sometimes 2 of them will work fine but normally they are erratic.  I feel it is a grounding problem.  Problem is I have not been able to find the ground wire/cable off the engine.  Does anyone have experience with this and do you know when to find the ground cable?  Thanks
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#2
I own a 2003 38 Open and have the wiring diagrams from Tiara. Not sure if you do. If so I would start there. If you need diagrams I may be able to help. There are quite a few, 20 or so.... Let me know
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#3
Is your engine electronic (3126B)? If so there is a 70 pin customer connector, rear of engine near air cleaner. Check the connection and if possible, clean the pins inside the connector. Battery negative should be on pins 2 and 3
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