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Old 12-24-2015, 01:24 PM   #15
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Lew,
Could the BIM have been potentially damaged to the point that 24v could have had an impact on the chassis electrical system i.e.; DDE, alternator, battery and other control units?
Road Jager
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Old 12-24-2015, 02:47 PM   #16
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Quote:
Originally Posted by RoadJager View Post
Lew,
Could the BIM have been potentially damaged to the point that 24v could have had an impact on the chassis electrical system i.e.; DDE, alternator, battery and other control units?
Road Jager
P.S. Most tasty oranges I must say.
If the house batteries were indeed wired in series for 24VDC, I'm not sure what the impact on the BIM would have been. It's operational scheme is to combine the 2 battery systems when one is below 12.6VDC (If I recall) AND there is a charging source present.

In this scenario, IF the chassis battery was low (below 12.6VDC) AND the BIM saw the voltage of 24VDC (it probably would have been more like 25.6+), then it's entirely possible that the solenoid would have closed and combined the 2 battery banks and everything you listed above would have fried! I would hope that the sensing circuitry of the BIM would have been blown out by the high voltage input from the improperly wired house bank and NOT combined the 2 banks.

This is a great question for Precision Circuits Inc. to answer, or to have someone capable start poking around with a meter in the OP's rig to do some forensic investigation.
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Old 12-24-2015, 04:35 PM   #17
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The PCI BIM also has logic to turn off the relay if either battery goes above 15.5V for 30 seconds.


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Old 12-24-2015, 05:32 PM   #18
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Good to know. That would potentially save the entire chassis 12VDC electrical system.


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Old 12-25-2015, 04:58 AM   #19
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Many thanks Lew.
Will Contact you very soon.
Merry Christmas!
Jeff
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Old 12-25-2015, 06:31 AM   #20
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To the op, does the engine startup?
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Old 12-26-2015, 04:41 AM   #21
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Yes the engine always started up...no problem here.
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Old 12-30-2015, 01:23 AM   #22
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Lew...just arrived Cape Coral tonight
From Asheville NC trip.
Batteries and 12 volt system are all
Functioning as they should but I still
Don't know what was done in 7 hours
To correct problem.
I would like to know because if a problem occurs in future I need to advise repair person doing trouble shooting.
Any additional thoughts?
Jeff
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Old 12-30-2015, 06:43 AM   #23
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Will be interesting to know Lews findings.
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