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05-15-2016, 06:15 AM
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#15
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Senior Member
Join Date: May 2014
Location: Henderson, Nevada
Posts: 1,224
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ECM
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2005 Newmar DS 4023, Spartan Chassis, ISL 370 Cumapart, 2008 Jeep Rubicon 4dr, 2015 Kia Soul, 1969 Italian & 2004 Akita
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05-15-2016, 06:47 AM
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#16
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Quote:
Originally Posted by provega
is this the fuse
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The 12 volts feeding the ECM has a 20 amp inline fuse, I have never seen one like your pic i would check it with a ohm meter and see if it is any good.
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-15-2016, 08:00 AM
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#17
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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A fast way to check the proper power to the ecm is check pins 52 and 53 for voltage then turn key on and check pin 70 for voltage if all checks out there is no power problem.
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-15-2016, 08:23 AM
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#18
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Junior Member
Join Date: May 2016
Posts: 19
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I found 2 inline fuses one is 10 other is 20. both are good.
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99 national tradewinds. 3126 cat
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05-15-2016, 08:53 AM
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#19
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Sounds like it is not getting fuel then.
__________________
Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-15-2016, 04:34 PM
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#20
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Junior Member
Join Date: May 2016
Posts: 19
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Explain why when it runs on either the tach stays on zero.
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99 national tradewinds. 3126 cat
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05-15-2016, 04:41 PM
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#21
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Quote:
Originally Posted by provega
Explain why when it runs on either the tach stays on zero.
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Sounds like a bad connection or a bad tach
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-15-2016, 06:10 PM
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#22
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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The more I think about your problem with the tach not working and no start a bad
ignition switch would cause both problems.
Just a thought
__________________
Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-16-2016, 03:04 PM
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#23
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Junior Member
Join Date: May 2016
Posts: 19
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Checked pin 52 & 53. Both had power. Pin 70 had power when key turned on. I took return line off and cranked it over and had fuel come out.
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99 national tradewinds. 3126 cat
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05-16-2016, 03:14 PM
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#24
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Ok the ECM is getting power on the correct pins.
Do you see any indication of oil pressure on the in dash gauge, it will be just a flicker of the needle when you are cranking it over.
If you can get to it plug in the block heater and leave on a few hours then try to start.
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-16-2016, 03:20 PM
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#25
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Have you checked for any trouble codes indicated ?
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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05-16-2016, 03:54 PM
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#26
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Junior Member
Join Date: May 2016
Posts: 19
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No codes show. All I have is a switch for block heater not a plug like on my truck unless there is a plug somewhere.
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99 national tradewinds. 3126 cat
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05-16-2016, 03:55 PM
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#27
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Junior Member
Join Date: May 2016
Posts: 19
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I do get oil pressure.
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99 national tradewinds. 3126 cat
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05-16-2016, 04:01 PM
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#28
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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The block heater plug is located on the drivers side where you access your shore power cable the outlet in that bay is controlled by a rocker arm switch on the control panel to the drivers left.
You might want to check to be sure the block heater is plugged in as some unplug it and then wonder why the heater does not work.
__________________
Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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