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toyman
Joined: 11 Jan 2009 Posts: 556 City/Region: Lake Livingston
State or Province: TX
C-Dory Year: 2006
Vessel Name: Fan-C-Dory
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Posted: Sun Feb 28, 2010 2:20 pm Post subject: Battery Switch ?? |
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I have a Honda 150, 2 batteries, and a Guest selector switch. The switch has 2 small terminals, that according to Guest wiring diagram, should each have a field wire from the alternator connected. Mine only has one wire - but everything seems to work fine. Should I fix it till it is broke ? _________________ Dave W.
KE5GOH
Stuck in the 70's,
In East Texas |
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BrentB
Joined: 15 Jul 2006 Posts: 4419 City/Region: Greenwood
State or Province: IN
Photos: BrentB
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Posted: Sun Feb 28, 2010 8:56 pm Post subject: |
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I thought it depends on the alternator type and might need to use an isolator _________________ Brent Barrett |
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toyman
Joined: 11 Jan 2009 Posts: 556 City/Region: Lake Livingston
State or Province: TX
C-Dory Year: 2006
Vessel Name: Fan-C-Dory
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BrentB
Joined: 15 Jul 2006 Posts: 4419 City/Region: Greenwood
State or Province: IN
Photos: BrentB
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Posted: Sun Feb 28, 2010 9:41 pm Post subject: |
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Need to check
I expect the regulator is part of the alternator |
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journey on
Joined: 03 Mar 2005 Posts: 3595 City/Region: Valley Centre
State or Province: CA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: journey on
Photos: Journey On
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Posted: Sun Feb 28, 2010 11:08 pm Post subject: |
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The battery acts as a buffer for the alternator. If the engine is running and you turn the switch to "OFF" the batteries are disconnected from the alternator output, and somethings gotta give. Removing the field excitation shuts the alternator off so there's nothing to give.
Outboards typically do not bring the alternator excitation (field) lead out so you can't disconnect it. Therefore DO NOT EVER SWITCH THE BATTERY SWITCH TO OFF WHEN THE MOTOR(S) ARE RUNNING.
Boris |
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jennykatz
Joined: 15 Dec 2003 Posts: 1678 City/Region: naples
State or Province: FL
C-Dory Year: 2006
C-Dory Model: 23 Venture
Vessel Name: Little Treasurer
Photos: Jennykatz
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Posted: Mon Mar 01, 2010 7:08 am Post subject: battery |
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Yamaha also suggests not to switch from battery1 to battery 2 while engine is running .Always turn eng. off before switching . Don't ask me how I know . _________________ retired 8/08 from UAL, still working pt tm
Duck c-22 cruiser sold 6/23/08
06 Venture Cruiser with merc115CT
00 cd16 cruiser honda 40 sold 3/12 |
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toyman
Joined: 11 Jan 2009 Posts: 556 City/Region: Lake Livingston
State or Province: TX
C-Dory Year: 2006
Vessel Name: Fan-C-Dory
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Posted: Mon Mar 01, 2010 10:21 am Post subject: |
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Still don't understand the single wire on my installation. But it is what it is. |
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jennykatz
Joined: 15 Dec 2003 Posts: 1678 City/Region: naples
State or Province: FL
C-Dory Year: 2006
C-Dory Model: 23 Venture
Vessel Name: Little Treasurer
Photos: Jennykatz
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Posted: Mon Mar 01, 2010 3:40 pm Post subject: battery sw |
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If you can take a picture that would help. My guest switch is wired to two batteries I have one wire coming from engine then two wires leading out to the house battery and starter battery . If you look close you might have the same setup ? Is your Guest switch 1or 2 or both or off then it should or could be wired this way ? PIctures ,Pictures |
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BrentB
Joined: 15 Jul 2006 Posts: 4419 City/Region: Greenwood
State or Province: IN
Photos: BrentB
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Posted: Mon Mar 01, 2010 5:39 pm Post subject: |
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I have 2 battery switches and none have the alternator protection feature. I just have a circle using a China wax marker around OFF position to be careful using it when the motor is running. |
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toyman
Joined: 11 Jan 2009 Posts: 556 City/Region: Lake Livingston
State or Province: TX
C-Dory Year: 2006
Vessel Name: Fan-C-Dory
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Posted: Tue Mar 02, 2010 9:13 am Post subject: |
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Sorry no pictures - don't know how - AND the job is finished. But mine is wired as shown on the wiring diagram referenced above for single engine, 2 batteries. Except only one wire on the small terminals. |
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