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Old 07-07-2009, 02:40 AM   #1
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Join Date: Jul 2005
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Chassis battery not charged by shore power or genny

I have a '93 Intellitech Battery Control Center. The contol/circuit board allows the chassis and coach batteries to be charged by the alternator, but only the coach batteries are charged from charger/converter (shore power or generator). I contacted Intellitec today who provided me with a upgrade circuit board part number which will cause both battery banks to be charged whenever either are being charged while maintaining the isolation to prevent discharge of both chassis and coach batteries. Can anyone tell me where I can find/purchase this circuit board as it is unavailable directly from the manufacturer? The part number is Intellitec #73-00-50-000. Thanks in advance!

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Old 07-07-2009, 09:46 AM   #2
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Newmar Owners Club
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Location: Maggie Valley, NC
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I faced the same situation but solved it with a Trik-L-Start rather than chasing down the elusive circuit board. Reasonable, simple to install, and works great.


Jim & Sandy
2016 Newmar Ventana 4037
2014 Grand Cherokee Summit
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Old 07-07-2009, 11:55 AM   #3
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There is one of these circuit boards listed on Ebay at this time.
Do a search for Intellitec

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Old 07-07-2009, 09:32 PM   #4
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I have a similar setup with my 99 pace arrow. It was not charging the coach battery when the MH engine was running. I ran a 12 gauge jumper wire from the IGN fuse on the circuit board to the trigger terminal on the relay, works fine now.
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