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Dec 30th, 2023
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 High Voltage Detected
#1933209
02/01/08 11:55 AM
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Joined: Mar 2007
Posts: 2,042
Markk
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2007
Posts: 2,042 |
Recently outfitted the boat with new electronics. The new humminbird is showing me a high volatage warning when I have been cranking across the lake for several minutes. The volt gauge show around 16 when underway and quickly goes back to near 12 after idling for a couple mins. Is this normal to see or could the alternator be on the way out?
"I'd rather be a fence post in Texas than the king of Tennessee." 
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Re: High Voltage Detected
[Re: Markk]
#1933309
02/01/08 12:40 PM
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Joined: Dec 2002
Posts: 3,832
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,832 |
You might have a problem with the voltage regulator. You need to have it checked out.
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Re: High Voltage Detected
[Re: Tommy Yetts]
#1933329
02/01/08 12:46 PM
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Joined: Nov 2005
Posts: 4,061
Mike Halfmann the boatmann
TFF Team Angler
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TFF Team Angler
Joined: Nov 2005
Posts: 4,061 |
sounds like voltage rec/reg is spiking. bad ju-ju. have it checked out ASAP.
mike halfmann
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Re: High Voltage Detected
[Re: Mike Halfmann the boatmann]
#1933581
02/01/08 02:19 PM
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Joined: Mar 2003
Posts: 3,914
Bass Art
TFF Team Angler
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TFF Team Angler
Joined: Mar 2003
Posts: 3,914 |
Markk, Humminbird sells a power supply called a True Volt or Sure Volt. It will supply the correct voltage to sensitive electronics, and protect them from surges/spikes in power. I always use them on electronics, no matter who makes them. Cheap insurance.
Artie
________________________________
Dad took me fishing when I was 10, and I've been pretty much hooked since. He went to be with God on August 14, 2012. I miss you, Dad.
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Re: High Voltage Detected
[Re: Bass Art]
#1933759
02/01/08 03:21 PM
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Joined: Jul 2004
Posts: 201
Miguel Diaz
Outdoorsman
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Outdoorsman
Joined: Jul 2004
Posts: 201 |
Your alternator typically shouldn't go above around 14 volts if the regulator is working and with a fully charged battery. 16 volts is way over and your alternator should be checked. It shouldn't even spike to 16. Keep an eye on your tachometer as it is sometimes the first to go if voltage is to high.
Miguel Diaz
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Re: High Voltage Detected
[Re: Miguel Diaz]
#1934611
02/01/08 07:50 PM
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Joined: Jun 2004
Posts: 1,509
OPTI
Extreme Angler
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Extreme Angler
Joined: Jun 2004
Posts: 1,509 |
It really depends on what year model it is because the earlier engines Mercury or OMC had non regulated charging systems What year and hp and make....OPTI
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Re: High Voltage Detected
[Re: OPTI]
#1934892
02/01/08 09:38 PM
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Joined: Mar 2007
Posts: 2,042
Markk
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2007
Posts: 2,042 |
I've got a 93/94 150 Merc XR6.
"I'd rather be a fence post in Texas than the king of Tennessee."
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Re: High Voltage Detected
[Re: Markk]
#1934912
02/01/08 09:47 PM
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Joined: Aug 2004
Posts: 970
way2manyhobbies
Pro Angler
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Pro Angler
Joined: Aug 2004
Posts: 970 |
I have a 95 XRi 200HP efi and it puts out 16 volts as well
way2manyhobbies
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Re: High Voltage Detected
[Re: way2manyhobbies]
#1934919
02/01/08 09:49 PM
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Joined: Aug 2004
Posts: 970
way2manyhobbies
Pro Angler
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Pro Angler
Joined: Aug 2004
Posts: 970 |
Where can I buy a Sure Volt or True Volt?
way2manyhobbies
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Re: High Voltage Detected
[Re: way2manyhobbies]
#1937861
02/03/08 11:02 AM
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Joined: Mar 2007
Posts: 2,042
Markk
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2007
Posts: 2,042 |
Is the voltage regulator difficult to change on a 93 Merc 150 XR6? Im assuming this is just an electronics component, correct? I've also heard that if the battery was bad, it could be drawing more power and could be the cause as well. Can anyone confirm that?
Last edited by Markk; 02/03/08 11:03 AM.
"I'd rather be a fence post in Texas than the king of Tennessee."
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Re: High Voltage Detected
[Re: Markk]
#1937868
02/03/08 11:10 AM
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Joined: Sep 2007
Posts: 2,497
Scott A.
Extreme Angler
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Extreme Angler
Joined: Sep 2007
Posts: 2,497 |
The voltage regulator is easy to change. There are two of them on it. I just mailed a copy of a service manual on cd rom yesterday to way2manyhobbies. Feel free to call me and I can help you out. I have a 92 150XR6.
Scott 214-493-9506
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Re: High Voltage Detected
[Re: Scott A.]
#1938000
02/03/08 12:37 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
The battery and anything connected to the battery can cause this. Had a 1995 200HP XRI with high voltage and finally found a bad automatic bilge pump causing it by disconnecting one added + wire at a time. It was not fused to the battery, NOT SMART. Also had a problem several years ago with an onboard charger causing problems. Good Luck
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: High Voltage Detected
[Re: gary purdy]
#2005611
02/25/08 11:37 AM
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Joined: Mar 2007
Posts: 2,042
Markk
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2007
Posts: 2,042 |
Ok, I gotta take this one on the chin. The battery was low on water. Caused it to always show low voltage and the engine was constantly trying to charge (or over charge). No problems since.
Fault - low battery water
Root cause - stupidity
"I'd rather be a fence post in Texas than the king of Tennessee."
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