89 SN2001 battery drain
Printed From: CorrectCraftFan.com
Category: General Correct Craft Discussion
Forum Name: General Discussion
Forum Discription: Anything Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=48607
Printed Date: March-06-2025 at 3:58am
Topic: 89 SN2001 battery drain
Posted By: SN89Russ
Subject: 89 SN2001 battery drain
Date Posted: April-28-2020 at 12:10pm
I have a 89 SN2001 that drains the battery while running. Can't run 2 things without draining the battery. Blower and lights, radio and lights, blower and radio, etc. no combination. Can only run one thing at a time to not drain the battery. Any thoughts how to correct this issue?
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Russ
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Replies:
Posted By: 8122pbrainard
Date Posted: April-28-2020 at 12:14pm
Get the VOM (volt Ohm meter) out and get a voltage reading at the battery when the engine is running and then when it's not running. You should see around 14 running and with a battery charged around 12 not running. If you don't see the 14, then your alternator is suspect.
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/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete
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Posted By: SN89Russ
Date Posted: April-30-2020 at 12:23pm
Thanks, I took the alternator to a local alternator shop and it tested fine. I wonder if wiring, or old equipment (blower, etc.) are drawing too much amperage due to age? The radio is simple deck, small amp, and 4 - 6" speakers, no subs or anything major. I've heard this is a common problem for the older SN2001s.
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Russ
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Posted By: 8122pbrainard
Date Posted: April-30-2020 at 12:41pm
Russ,
Did you check the voltages as recommended or just take the alternator in?
I'd start cleaning up ALL wiring connections including battery cables and their terminals.
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/diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete
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Posted By: SN89Russ
Date Posted: April-30-2020 at 2:39pm
I just took the whole alternator in, to ensure nothing was wrong with it. Given the age I suspected it maybe worn out. Wiring was my next step.
I've thought about adding a second battery in the boat as a back up. Any thoughts to that?
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Russ
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Posted By: 8122pbrainard
Date Posted: April-30-2020 at 2:55pm
Clean up the wiring first. A second battery isn't going to do any good if the alternator isn't charging the original. How old is the battery and have you had it load tested?
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/diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete
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