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Postby Couttsy77 » Sat Sep 02, 2017 10:11 am

I have a 2013 regal 28 express . We installed an amplifier for the stereo (done by professional) and our battery started to die . We replaced both batteries and installed a high output alternator and a new starter and a new belt . Now the alarm goes off when we are sitting and the engine is at idle . Once we start moving and the rpm rise the alarm goes off. If we stop and idle the engine it the alarm goes off again. The oil pressure is normal . The engine temp is normal (happens even when engine is cold) and engine oil should be at a good level . Not sure if this is a battery issue or an engine issue? Any ideas?
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Re: Alarm

Postby lg260ss » Sun Sep 03, 2017 6:02 pm

What engine do you have and what type of alarm is it? Is it constant,or is it beeping?

With regards to batteries, I have the same boat and added a second deep cycle house battery to the house side circuit. It allows me to stay out longer without worrying about charging. I can leave the fridge running and run the stereo for extended periods, it's an easy upgrade and well worth doing. I installed the 3rd battery in the engine room on the starboard side next to the trim tab pump.
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Re: Alarm

Postby aviator1 » Sun Sep 03, 2017 9:00 pm

As LG said, count your alarm beeps per minute and report other question, the alternator you that an approved alternator for this engine?
Sounds to me like an alternator output issue or a ground issue, if you can have access to your batteries with the engine running (safely), place a volt meter across a battery and let us know what the voltage is. If access on a 28 Express is not feasible, you can do it thru a DC cigarette lighter socket or your fuse panel...I am not familiar with a 28 Express layout maybe LG can chime in.
it might not hurt to review what the good folks did with your sound system.
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Re: Alarm

Postby rt160001 » Mon Nov 27, 2017 1:26 pm

Had you had any battery or alarm issues prior to installing the amplifier? The first place I'd look is that amplifier installation, sounds like they may have "hijacked " the power from where they shoud'nt have.
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Re: Alarm

Postby SvedasFish » Tue Nov 28, 2017 1:47 pm

Did they install proper gauge wire to supply the amp?
If too small then the alarm could sound because of the voltage drop. Your running engine/alternator would boost it to stop the alarm.
(engine off)If the amp adjusts for power, then it would try to draw more current , which would drop the voltage further.

Just a suggestion.
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