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01-16-2018, 11:38 PM
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#1
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Senior Member
Monaco Owners Club
Join Date: Nov 2016
Posts: 225
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Electronic Control Module
Is the electronic control module the device that sends data to the OBD port? Is there a way to test it?
Where would it be located on a Cummins 8.3 ISC? On the engine or elsewhere?
Thanks for any responses!
This forum has been a lifesaver so far!
__________________
Scotia, Tricia, Mia, (the Labradoodle)
1999 Monaco Dynasty
330hp Cummins, Allison 6 speed
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01-17-2018, 05:09 AM
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#2
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Senior Member
Join Date: Nov 2010
Posts: 386
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ECM on the passenger/fuel side, closer to the front of the Engine. Other than clean, lube connections, I am not one to mess with sensitive pins at the connectors. There is info on line to do it!
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02 Allegro Bus. Freightliner
ISC 350 Cummins
2019 Chev Colorado
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01-17-2018, 08:40 PM
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#3
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Senior Member
Join Date: Nov 2009
Location: Warren, Oregon
Posts: 2,559
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Quote:
Originally Posted by Scotialaddie
Is the electronic control module the device that sends data to the OBD port? Is there a way to test it?
Where would it be located on a Cummins 8.3 ISC? On the engine or elsewhere?
Thanks for any responses!
This forum has been a lifesaver so far!
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I don't have a Cummins so my port is on the left side of the steering wheel under the dash, 6 or 9 prong and I also have the same port in a rear bay. Need to get something like the Scangauge D and plug into it to get all the reading off your motor, only way I know how to test. It does not look like the old OBD 11 style port. This is where the ECM will send all its info for a read out.
https://www.ebay.com/itm/ScanGauge-D...YAAOSwHnFVpgVp
or you could get the SilverLeaf.
VMSpc | SilverLeaf Electronics, Inc.
2 stroker
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2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
Cat C9--STEEL & COPPER Bolt Together Radiator w/ updated rubber mounting
SilverLeaf 330 Magnum 2812 PSW 2011 Ford Edge Sport-Air Force One
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01-18-2018, 03:32 AM
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#4
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Senior Member
Join Date: Nov 2010
Posts: 386
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For monitoring and readout I use ScangaugeD. Less expensive, not as detailed as Silverleaf but has served me well.
__________________
02 Allegro Bus. Freightliner
ISC 350 Cummins
2019 Chev Colorado
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01-18-2018, 07:04 PM
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#5
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Senior Member
Monaco Owners Club
Join Date: Nov 2016
Posts: 225
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That’s my problem. My scangauge d was working fine and now I only have a blank screen.
__________________
Scotia, Tricia, Mia, (the Labradoodle)
1999 Monaco Dynasty
330hp Cummins, Allison 6 speed
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01-18-2018, 08:53 PM
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#6
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Senior Member
Join Date: Nov 2009
Location: Warren, Oregon
Posts: 2,559
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If your motor runs fine, I would be looking at the Scangauge first. Have you pulled it out and plugged it back in. My Silverleaf got unplugged and took me a few to figure out what happened.
2 stroker
__________________
2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
Cat C9--STEEL & COPPER Bolt Together Radiator w/ updated rubber mounting
SilverLeaf 330 Magnum 2812 PSW 2011 Ford Edge Sport-Air Force One
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01-19-2018, 09:03 PM
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#7
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Senior Member
Monaco Owners Club
Join Date: Nov 2016
Posts: 225
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Seems it was related to a battery isolator/alternator issue.
Replaced the alternator and it’s been working fine now.
__________________
Scotia, Tricia, Mia, (the Labradoodle)
1999 Monaco Dynasty
330hp Cummins, Allison 6 speed
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01-21-2018, 10:10 AM
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#8
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Senior Member
Join Date: May 2017
Location: Metamora, MI
Posts: 5,525
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a 1999 cummins doesn't have OBDII.
OBDII is 1996 and newer passenger cars and light truck (ie; pickup trucks).
Yours is likely J1708.
__________________
2002 Newmar Mountain Aire Limited 4370 w/ Spartan K2 and Cummins 500hp
ASE Master Certified (a long.....time ago...)
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01-21-2018, 06:45 PM
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#9
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Senior Member
Monaco Owners Club
Join Date: Nov 2016
Posts: 225
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Quote:
Originally Posted by Dav L
a 1999 cummins doesn't have OBDII.
OBDII is 1996 and newer passenger cars and light truck (ie; pickup trucks).
Yours is likely J1708.
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Yep. Thank you.
__________________
Scotia, Tricia, Mia, (the Labradoodle)
1999 Monaco Dynasty
330hp Cummins, Allison 6 speed
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