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Boating Discussion Thread, Volvo KAD43 Alternator in Boats; Any expert here want to help out... I got a new alternator and tach...still not charging and tach is not ...
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Old Feb-09-2008, 11:27 PM   #1
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Volvo KAD43 Alternator
Any expert here want to help out...

I got a new alternator and tach...still not charging and tach is not
doing anything...

I guess the old tach was okay afterall...the alternator was frozen.
Sergio is 2 weeks out...I need to go kill some fish! Anyone familiar
with a valeo type alternator?
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Old Feb-10-2008, 02:47 AM   #2
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If you're in SD there's a place off of Convoy Ct. cant remember the name right now(it's late) Pacific something ? They rebuilt my alt. for a fraction of what a new one would cost in 2 days. it's on Convoy Ct. on the east side of convoy
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Old Feb-10-2008, 07:59 AM   #3
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Run the wires down.....look for a relay.....
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Old Feb-10-2008, 08:01 AM   #4
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Had a similar problem. Turned out to be the main wiring harness. Pull both ends and check for corrosion.
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Old Feb-11-2008, 09:56 AM   #5
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Thank you for the feedback guys....Shawn, it did pull the main wire harness...it
was fine.

I check the owners manual, but there were not wiring diagram for the main harness.
Does anyone know where I can get a hold of one?
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Old Feb-11-2008, 04:19 PM   #6
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i would recommend the factory manual
did you test the voltage and amps on the alternator
i never trust gauges
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Old Feb-11-2008, 04:31 PM   #7
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i would recommend the factory manual
did you test the voltage and amps on the alternator
i never trust gauges
Dumb question...do you put a meter between positive and negative
poles? If so, what should it read? 14v since it's a 14v alternator?
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Old Feb-11-2008, 04:51 PM   #8
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i put mine meter leads when i check on the battery
but i also hook an amp clamp up and do a load test on the battery
should be 13.5-14.7

what motor u have?
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Old Feb-11-2008, 04:55 PM   #9
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Quote:
Originally Posted by JUST-IN-TIME View Post
i put mine meter leads when i check on the battery
but i also hook an amp clamp up and do a load test on the battery
should be 13.5-14.7

what motor u have?
It's a Volvo KAD43...I put a meter on
the battery and it doesn't change when the engine is running...12v.
Can you please detail how and I can load test an alternator?
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Old Feb-11-2008, 10:09 PM   #10
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got a battery load tester?
you need to runn it around 1500 rpm

turn the meter to a/c volts, if u got more that .7 a/c volts bad reg/rec in the alt
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