Reply
 
Thread Tools Search this Thread Display Modes
 
Old 03-20-2022, 04:42 PM   #1
Veteran Member
 
City: Belfast
Join Date: Oct 2021
Posts: 37
What’s this switch?

Can any one advise what this bottom switch is for ?
Gb42 #1386
Attached Thumbnails
57475067-B37A-44C1-B7A0-21EC30B3588D.jpg  
GBNI is offline   Reply With Quote
Old 03-20-2022, 05:55 PM   #2
Senior Member
 
Nick F's Avatar
 
City: Vancouver
Vessel Name: L'Attitude (previously Khenko)
Vessel Model: CHB 34 1976
Join Date: Sep 2020
Posts: 221
Looks like the "Generator" / "Shore Power" selector.
Nick F is offline   Reply With Quote
Old 03-20-2022, 07:14 PM   #3
Senior Member
 
City: Ft. Myers, FL
Vessel Name: Hannah Jane
Vessel Model: 2000 Grand Banks 42 Classic
Join Date: Feb 2014
Posts: 137
Photo is dim and grainy, but I think it's the load switch for the ammeter. At least it is for my 2000 GB42. Do you have the GB manual that came with the boat? It has some details in it, plus some line drawings of the electrical systems. I believe it measures the amps on either L1 or L2. My AC system is on one "leg" and all other 120 V items are on the other leg.


Quote:
Originally Posted by GBNI View Post
Can any one advise what this bottom switch is for ?
Gb42 #1386
FBoykin is online now   Reply With Quote
Old 03-20-2022, 07:56 PM   #4
Guru
 
O C Diver's Avatar
 
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 10,907
Looks to be a heavy amperage barrel switch. Could be the shore power or generator selector switch. Could also be a selector switch for bow and stern shore power if you have more than one input.

Ted

Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
O C Diver is offline   Reply With Quote
Old 03-21-2022, 02:31 AM   #5
Veteran Member
 
City: Belfast
Join Date: Oct 2021
Posts: 37
Quote:
Originally Posted by FBoykin View Post
Photo is dim and grainy, but I think it's the load switch for the ammeter. At least it is for my 2000 GB42. Do you have the GB manual that came with the boat? It has some details in it, plus some line drawings of the electrical systems. I believe it measures the amps on either L1 or L2. My AC system is on one "leg" and all other 120 V items are on the other leg.
Thanks, I think this is it.
There is a separate AC source selector switch.
GBNI is offline   Reply With Quote
Old 05-07-2022, 02:17 PM   #6
Senior Member
 
City: Saunderstown
Vessel Name: Serenity
Vessel Model: Grand Banks 47 Europa
Join Date: May 2020
Posts: 118
Switch

Good Afternoon -

I am not sure if you have access to the back but it might help determine use of the switch. We have a 2008 GB 47 Europa and have a barrel switch in the same location. It is for the inverter on our boat. See pictures attached.

On the front it is a three position switch (OFF, INVERTER, and AC MAIN) and as
you can see in photo its called "Inverter Bypass." Again, on our boat she will only charge the house batteries off the Generator and Shore Power when switch is in the AC Main position. When they are not being used the switch is put in the "INVERTER" position. hope this helps.

Bob
Attached Thumbnails
Barrel Switch 1.jpg   Inverter Bypass Switch 2.jpg   Inverter Bypass Switch 3.jpg  
kernr is offline   Reply With Quote
Old 05-12-2022, 08:54 AM   #7
Senior Member
 
Steve1.0's Avatar
 
City: Hobe Sound
Vessel Name: Kumatage
Vessel Model: Grnd Bnks 46 cl
Join Date: Aug 2020
Posts: 120
That looks similar to a switch on my 46. Its a four position (off, 1, 2, 3) for showing the voltage in each (bank 1, 2, and generator) battery bank. I have an analog dc meter just above the switch. Looks like your dc meter may be just above the ac meter in the photo.
Steve1.0 is offline   Reply With Quote
Old 05-12-2022, 11:52 AM   #8
Guru
 
rgano's Avatar
 
City: Southport, FL near Panama City
Vessel Name: FROLIC
Vessel Model: Mainship 30 Pilot II since 2015. GB-42 1986-2015. Former Unlimited Tonnage Master
Join Date: Oct 2007
Posts: 4,224
I am always amazed at how little importance previous owners pay to proper labeling of switches and buttons. "Well, I know what that does; so why bother to label it?" It does not compute with me.
__________________
Rich Gano
FROLIC (2005 MainShip 30 Pilot II)
Panama City area
rgano is offline   Reply With Quote
Old 05-12-2022, 01:03 PM   #9
Guru
 
AlanT's Avatar
 
City: Gig Harbor, WA
Vessel Name: MoonShadow
Vessel Model: Wendon Skylounge 72'
Join Date: Oct 2012
Posts: 574
Quote:
Originally Posted by rgano View Post
I am always amazed at how little importance previous owners pay to proper labeling of switches and buttons. "Well, I know what that does; so why bother to label it?" It does not compute with me.
First time leaving the dock on my current boat after purchase: I familiarized myself with the rows and rows of switches at the helm. Several were unmarked and "off". Presumably spares for future use. One of those was, I assumed inadvertently, "on". Without thinking about it too much I turned it off.

Went to leave the dock the next morning and the stern thruster did not work. Bow thruster switch was labelled and on. No Stern thruster switch on the dash (I had completely forgotten my action in the prior paragraph). Searched the boat for a Stern Thruster switch with no luck. We were side tied, pressed against the dock by wind with a boat directly in front and behind us and I was very reluctant to leave with no St Th. I called an electrician. After two hours he was able to trace the switch - to that one I had absentmindedly switched off. I learned that day that unlabeled does not mean unimportant!
~A
AlanT is offline   Reply With Quote
Old 05-12-2022, 01:12 PM   #10
Guru
 
hmason's Avatar
 
City: Stuart FL
Vessel Name: Lucky Lucky
Vessel Model: Pacific Mariner 65
Join Date: Aug 2013
Posts: 2,504
The ammeter and volt meter shows the amps and volt loads on each leg of your incoming shore power. Turning the switch from #1 to #2
switches the meter readouts from one leg to the other.
__________________
Howard
Lucky Lucky
Stuart, FL
hmason is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Trawler Port Captains
Port Captains are TF volunteers who can serve as local guides or assist with local arrangements and information. Search below to locate Port Captains near your destination. To learn more about this program read here: TF Port Captain Program





All times are GMT -5. The time now is 11:30 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2006 - 2012