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Re: [GMCnet] Battery Boost Solenoid # [message #110895 is a reply to message #110859]

Wed, 05 January 2011 08:06

Richard Denney

Messages: 920
Registered: April 2010

Karma:

Senior Member

On Tue, Jan 4, 2011 at 11:58 PM, LEdmcconnell <LEdmcconnell@aol.com> wrote:

> The one that I'm replacing is different yet. It has all 4
> terminals on the end.
>

This is a common configuration for high-amperage contactors that would work
fine in this situation. Yandina sold off some surplus 200-amp contactors a
few years ago, and I managed to snag one of them for really cheap. It has a
much higher continuous current rating than a typical solenoid, and it also
had the required 100% duty cycle. Here's a picture of mine:

http://www.gmcmhphotos.com/photos/showphoto.php?photo=26980&title=chassic-wiring-center-2c&cat=3677

Any solenoid relay switch or contactor will work. It needs a 12-volt control
circuit (case ground is acceptable), a current rating sufficient for engine
starting (the crank rating of the battery for a few seconds), and a 100%
duty cycle rating. Most starter solenoids are fine except they have a 25%
duty cycle rating and their coils will overheat if left energized.

Rick "who has never actually needed a boost since owning the coach" Denney

--
'73 230 "Jaws"
Northern Virginia
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[Message index]

		Battery Boost Solenoid # By: LEdmcconnell on Tue, 04 January 2011 22:58
		Re: [GMCnet] Battery Boost Solenoid # By: powerjon on Tue, 04 January 2011 23:39
		Re: [GMCnet] Battery Boost Solenoid # By: jimk on Wed, 05 January 2011 22:41
		Re: [GMCnet] Battery Boost Solenoid # By: Richard Denney on Wed, 05 January 2011 08:06
		Re: [GMCnet] Battery Boost Solenoid # By: Bob de Kruyff on Wed, 05 January 2011 13:51
		Re: [GMCnet] Battery Boost Solenoid # By: Richard Denney on Wed, 05 January 2011 16:05
		Re: [GMCnet] Battery Boost Solenoid # By: WD0AFQ on Wed, 05 January 2011 16:48

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