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  #11  
Old 10-05-2015, 06:14 PM
Jay Watts Jay Watts is offline
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I just realized I was riding beside this truck on 75S in N. GA. Thursday. Small world.
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  #12  
Old 10-06-2015, 01:38 PM
John Royark JR John Royark JR is offline
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BEAUTIFULL coach, I absolutely LOVE it. I cant wait until its 20 years old so I can add one to my collection.
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Current owner of:
1949 S&S Cadillac Knickerbocker combo
1985 Superior Cadillac Sovereign FWD hearse
1985 Eureka Pontiac Chieftain hearse
1995 Superior Chevrolet Chancellor hearse
See all my pro cars past and present in my photo album
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  #13  
Old 10-09-2015, 07:24 AM
Richard Vyse Richard Vyse is offline
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Well here is the story on the electrical issue. There are two sensors that continue to draw on the battery which in time drains it. A new harness has to be installed which means it has to go to the Cadillac dealership for that once it is built. They were not aware my hearse was doing that but was held up due to the other hearse being delivered with mine had the issue. Mine has the issue too so I'm being told but have not had an issue so far. In addition the car alarm just goes off on it's own so that needs to be addressed. So far no issue with that while at the grave but has while under the car port. On top of that we found out you cannot leave the key fob in an unlocked hearse with no one inside. The system thinks the car is being stolen.
Oh boy, electronics today....
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  #14  
Old 10-09-2015, 09:45 AM
Peter Grave Peter Grave is offline
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Have a customer Packard owner AND Range Rover owner don't leave the key in the switch overnight on the Rover you will be shown a dead battery in the AM. Nothing in owners manual to tell you either. Bad part is you can't install a battery kill switch cause then the computers in the system have to relearn everything. Progress is a wonderful thing.
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  #15  
Old 10-09-2015, 09:57 AM
Joe Rackov Joe Rackov is offline
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Hopeful this is some hope for you. Brought our lead tech in from the shop to read your post. Same thing with our coach here.

Between GM tech assistance and Accubilt tech assistance this is what they found. Hope I have repeated it correctly.

Apparently GM said that the glass sensor circuit was not used in this coach. Dependent on carline model takes its signal from a sensor in the glass. But per our tech the circuit is still active and seeking for a signal from the non existing circuit. Even though the BCM is active per GM TAC it should not drain the battery. That should not cause any problem. Accubilt thinks the problem is in their wiring and working on a new harness.

The "fix" so far until a new harness is available was to disconnect the red and blue wires at the rear park assist sensor module, IIRC circuit 11 and 13

I'm just a dumb parts guy but it would seem that GM could deactivate the security sensor circuit through a reprogram in the body control module. But more intelligent minds are at work here (seriously) than mine. So until then this is our fix.
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John ED Renstrom (10-09-2015), Peter Grave (10-09-2015), Richard Vyse (10-09-2015)
  #16  
Old 10-09-2015, 12:03 PM
Jay Maynard Jay Maynard is offline
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The best fix is to stay with an '06-'11 DTS coach and not waste money on a new monstrosity. But I understand that Richard had no say in the matter. 😕
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