It is abnormal for a CD-ROM to experience any of the symptoms below. Disc drive noise should be a soft whirling noise when the CD-ROM drive is accessed and only be generated when the CD-ROM is accessed. That's the short list of most common issues.CD-ROM and other disc drives may generate noises when the drive is accessed. You can quickly borrow and swap the module with your dealer in case the module has gone bad. In this case you just re-ground the culprit and close the loop.Īnd rarely it requires a very, very large capacitor on the engine management module which is in the engine compartment. If a vibration-induced ground disconnect (butt splice) occurs within a harness you'll never uncover its exact location even though you might be able to identify the problem. No noise one day and suddenly noise the next. Supras and Moombas have a history of noise caused by engine management electronics. If its not in all speakers then its a clue that its in your audio system componentry or wiring rather than the boat. Isolate the noise amplifier by amplifier and speaker by speaker. Or it could be a bad solder joint within the cable's termination.Īnd sometimes its a weak audio system ground, whether source unit to factory harness or amplifiers to battery. If the cable is strain releived the fix should be permanent without the need for a cable replacement. Sometimes you have to evenly compress (as to maintain the original round shape) the RCA shield fitting on your cable so it seats snugly again. Vibration can get to all things eventually in a boat. Now if the RCA show signs of rust, what should I do? Get new cables, get a new amp? When I mean everyone, I mean everyone in the vicinity of the boat. As a matter of fact, everyone around me loves the sound. I have them wired to Polk DB651 and a Boston acoustic sub. By the way Phil, my Kicker amps kick arse. Figured that part of the boat never gets wet.
The squeal when you turn the key on is likely the engine's computer, so I would check the suspect RCA cables first. If you have a RCA connection that is only partially olugged in, or if you have corrosion, the RCA cable will end up acting more like an antenna, and it will pick up EVERYTHING that is emitting RF energy. Seriously, check the RCA cables to make sure they are seated properly and are clean without corrision.
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