Medium and Heavy Trucks

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I have a 1993 ford l8000 with a 8.3 cummins. Truck ran fine,
I have a 1993 ford l8000 with a 8.3 cummins. Truck ran fine, but now when i go to start it, the starter engages the immediately losses voltage to everything. It has brand new starter, alternately … read more
james Roberts
james Roberts
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Vocational, Technical or Trade School
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2007 c13 no start told engine no go replaced starter fire
2007 c13 no start told engine no go replaced starter fire wall cellinoid No crank just some … read more
Daniel Wilson
Daniel Wilson
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My 2016 Peterbilt 389 with Cummins ISX 550 will not turn
My 2016 Peterbilt 389 with Cummins ISX 550 will not turn over its like battlers are dead but they are brand new one day old. I have a code… read more
cumminsdr
cumminsdr
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High School or GED
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Have a 2001 freightliner columbia with ultrashift. Truck has
Have a 2001 freightliner columbia with ultrashift. Truck has been sitting for 8 months. Dropped new batteries in it and she almost started. The 4th try I got nothing... … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
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Have a 2005 9400i international and the voltage surges to 15
Have a 2005 9400i international and the voltage surges to 15 every 7 second and messing up the auto shift … read more
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Thermoking ts300 unit wont start has code 35. cleared code
thermoking ts300 reefer unit wont start has code 35. cleared code but comes back … read more
Daniel Wilson
Daniel Wilson
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Transmission will not go in gear shows fault code 64 its a
transmission will not go in gear shows fault code 64 its a international 10 speed automatic 2013 it shows a flashing F and the triangle yellow is on … read more
Jeremy
Jeremy
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Associate Degree
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I have a 1982 gmc 1 ton diesel, 6.2 with a banks sidewinder
I have a 1982 gmc 1 ton diesel, 6.2 with a banks sidewinder turbo. i recently replaced the glow plugs, injection pump, injectors, lift pump, batteries, starter, alternator, and a/c. YES i realize not the smartest of places to spend my money( its what my 16 year old daughter drives and she loves it) Anyways, the glow plugs recently stopped cycling, no glow plug light on, and will not start? So i looked for shorts and bad grounds, replaced the relay, and switch...even the starter? i cannot seem to find the fault? any ideas? … read more
roybelding
roybelding
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I have a 1994 Kenworth with an L10 Cummins that cranks, but
I have a 1994 Kenworth with an L10 Cummins that cranks, but won't start. ENG RTD 1 relay never gets power, ENG RTD 2 relay will flutter on and off which makes the fuel shutoff solenoid turn on and off… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I have a 1996 International 4700 T444E tow truck. The truck
I have a 1996 International 4700 T444E tow truck. The truck will not stay running for more than around 10 minutes. Came out one day, truck would not start. Turn key over and no click or anything, batt… read more
Daniel Wilson
Daniel Wilson
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Changed the starter and starter relay on my 2013 cascadia
changed the starter and starter relay on my 2013 cascadia with a dd15 engine. now all of a sudden the alternator is over charging the system, unplug the sensor wire from it and it runs normal at 14 vo… read more
Daniel Wilson
Daniel Wilson
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I have a 20006 freightliner columbia with ultrashift 2
I have a 20006 freightliner columbia with ultrashift 2 pedals every time i go on reverse the engine surges up and down between 600 and 800 rpm and truck jumps like a crazy horse if i step all theway o… read more
Jeremy
Jeremy
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Associate Degree
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Question diesel tech only, I have a 2005 freightliner
Question for detoit diesel tech only, I have a 2005 freightliner columbia, DD60 14L, 990k, 10 speed ultrashift, code 254 fmi 07 fail 1, engine died while driving after getting diesel. Is turning if st… read more
Jeremy
Jeremy
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Associate Degree
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freightliner coumbia: I have a semi 2007 freightliner that
I have a semi 2007 freightliner that wont start unless you jump the starter relay and than it wont go into gear or have any throttle I have no codes… read more
Jeremy
Jeremy
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Associate Degree
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I have a 1994 FL70, 5.9 cummins, 6 speed. Very cold here
I have a 1994 FL70, 5.9 cummins, 6 speed. Very cold here in Montana right now. truck outside and plugged in. The batteries show 12-13 volts but everything in the truck is dead electrically ....like th… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Have an 05 Pete 379 with the cat with the smaller starter.
Have an 05 Pete 379 with the cat with the smaller starter. Had someone helping me change the starter out . He didn't mark the wires now I'm having difficulty figuring which are negative wires and whic… read more
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I have a 2001 freightliner fld. I replaced batteries brand
I have a 2001 freightliner fld. I replaced batteries brand new and checked the too make sure. Replaced starter brand new. Replaced ignition switch and start button brand new. And also changed ignition… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2001 Freightliner with a ultrashift transmission,
I have a 2001 Freightliner with a ultrashift transmission, initially the transmission service light would flash during shifting. A technician suggested the batteries were weak. I removed the batteries… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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