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Is my converter wired correctly?
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posted
My lack of DC power when unplugged from land power turned out to be a defective new solenoid. But the way it is wired is very confusing. On my 3 post solenoid which appears to control my converter has a activating wire that always has 12 volts. I have working 12 volts in my coach without the land power but the solenoid gets very hot. Can anyone tell me what's wrong from the pictures? All the fuses and batteries are fine. The house battery switch is on.

 
Posts: 18 | Location: Michigan | Member Since: 03-21-2021Reply With QuoteReport This Post
Official Barth Junkie
Supporting Member of Barthmobile.com 2/22
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The lower left solenoid indeed appears to be switching main power leads from the large fuse behind. It looks like it is being used to connect main power. It is probably the main disconnect for the house batteries.

If the house batteries are on, this relay will be energized to allow power through it. Since this is on most of the time, it may get quite hot. Be sure the solenoid is the proper type. Some are rated for intermittent use for starters, etc. while others, like this, need to be constant duty. They look the same but the internal coils are different.

If the relay is not constant duty rated it may overheat and fail again. This is a good item to have an extra around as a spare.


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 300 hp
 
Posts: 4795 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/22
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quote:
Originally posted by Steve VW:

If the relay is not constant duty rated it may overheat and fail again. This is a good item to have an extra around as a spare.


Or two. hmm

This is the numbers from the 3 wire I ordered in 2016 for DBarth.
Order details on January 17, 2016 (1 item)
Cole Hersee 24106 12V Grounded Continuous Duty SPST Solenoid

4 wire I used was
Cole Hersee - 24059-08-BP (24059-BP) 12V Insulated SPST Continuous Duty Solenoid


Dana & Lynn
1997 38ft Monarch front entry
Spartan Mountain Master Chassis
Cummins 8.3 325hp
Allison MD-3060 6 speed
22.5 11R
Cummins Factory Exhaust Brake
8000 watt Quiet Diesel Generator
9608-M0022-38MI-4C
Christened Midnight

1972 22ft
Christened Camp Barth
 
Posts: 1242 | Location: Waseca, Minnesota | Member Since: 12-09-2010Reply With QuoteReport This Post
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Thanks for the help and especially the part numbers. I know there have been several changes before I bought it. Supposedly the other solenoid was a constant duty. I know this one is but the hot solenoid bothered me. I know everything works but I will carry a spare.
 
Posts: 18 | Location: Michigan | Member Since: 03-21-2021Reply With QuoteReport This Post
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