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"Calif Bill" wrote in message nk.net...
It is working corrrectly now. Alarm when no oil pressure. And with out engine running, the oil pressure is minimum. "Matt" wrote in message ... I have a '94 Chaparral with a Mercruiser 5.7L engine. I recently ran into a problem when I put my boat in the water, the "Pressure Switch" (partnumber 87-805605A1 http://www.mercruiserparts.com/images/mer/2689.jpg (in picture what is the nut and washer for? the wire just pushes on) rotted and oil was spurting out. After replacing the Pressure Switch (oil replaced and pressure back to normal), WITHOUT having the engine on and when turing the key one click I get a continous audio warning, the only way to stop it is remove the wire from the Pressure Switch. When the engine is running the oil pressure is normal (see additional question below) and the alarm doesn't sound, it only sounds when the engine is off and the key is turned one click to turn on the accessories. Any suggestions?? I have straigh 40 weight oil, when running at a decent cruising speed my oil pressure is around 60-65 is that normal or should it be a little lower? Thanks for any info and help. -Matt Bill's correct, the switch is working properly. With the ignition in the on position, with the motor not running, power is being sent to the switch, and because their is no oil pressure, the alarm is sounding. That's exactly the way it should work. |
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