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VMS coach diag plug
#1

After reading the posts about the SilverLeaf on this forum, I finally got the program.  I elected to get the 6 plug/ 4 wire without the adapter thinking I'd just hard wire it, but I found the coach diagnostic plug has 7 wires - any guess what the additional 3 do?


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#2

This is from Silverleaf and may help:


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.pdf J1708-J1939 Diagnostic Connectors_0.pdf Size: 47.16 KB  Downloads: 42

Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486 

1993 Newell 39' #337 
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#3

(01-20-2017, 11:54 AM)folivier Wrote:  This is from Silverleaf and may help:

Thanks, but that's basically a generic diagram which unfortunately doesn't help identify the extra wires or those with numbers clearly stamped.  But I guess it doesn't matter since they only use four wires anyway.


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#4

I think the others are for proprietary DD diagnostics. Possibly to write to the ECM. But not 100% sure on that.
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#5

My advise is to buy the plug rather than hard wire. If you keep the existing port then a Detroit Engine Analysis Computer can be connected if needed in the future.

2001 Newell #579
tow a Honda Odyssey
fun car: 1935 Mercedes 500K replica
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#6

You can use the crimp on wire taps and have the best of
Both

Richard and Rhonda Entrekin
99 Newell, 512
Maverick Hybrid Toad
Inverness, FL (when we're home Cool )
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#7

i did what richard did. permanent for me and still have the plug accessable

tom

2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

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#8

You could check with Silverleaf to make sure it works, but you can use a $5 plugin connector to connect ODB2 and connect to your PC with WiFi or bluetooth.
GM 12 Pin To OBD1 OBD2 16 Pin Diagnostic Tool Cable Connector Adapter

Jon & Chris Everton
1986 40' Dog House #86
450 hp ISM 5 spd ZF Ecomat 2
2004 Range Rover L322 Toad
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#9

since DDEC is detroits proprietary interface it wont work at all with obd2 or any other interface.

thats what i think anyway

tom

2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

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#10

Well I finally finished installing the Silverleaf system and I have it connected to a 10" ToteVision Tablet. This Tablet is pretty cool in that it has SSD with Windows 7 and it also has a 3G sim card slot to enable an internet connection from AT&T, Verizon, Sprit, etc. I'm still sorting out what information I can and can't get, but even with what I do get, it's so much more than the dash gauges.
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