Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
No brake lights 2003 top kick brake switch @ pedal ok bulbs
no brake lights 2003 top kick brake switch @ pedal ok bulbs good and can power probe in cab floorboard and brake lights one dark green one yellow … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Having trouble repairing air brakes on semi. when i hook to
Having trouble repairing air brakes on semi. when i hook to trailer the red knob wont stay in and had lots of pressure pushing out. the yellow know will stay in until i try to push knob for emer trail… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a freightliner M2with a 4/2005 manufacture date.
Hello. I have a freightliner M2(###) ###-####with a 4/2005 manufacture date.Driver side tail / brake / turn (3) wire socket went bad. Bought a new light assembly which came loaded with new bulbs. One … read more
Daniel Wilson
Daniel Wilson
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I need the wiring diagram for the truck bed on a 2006 Ford
I need the wiring diagram for the truck bed on a 2006 Ford F-250 6.0. I am replacing the wiring to the 7 blade connector as there is a rats nest (wiring) currently there.… read more
Jeremy
Jeremy
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Want to be connected to Wayne to get my question answered.
want to be connected to Wayne to get my question answered … read more
Wayne
Wayne
Journeyman
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My FLDmodel has right brake light on truck & trailer but no
My FLD(###) ###-####model has right brake light on truck & trailer but no left brake light on truck or trailer. All other lights work. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I have a 2007 International 4400 w/ a DT570 engine. I have a
I have a 2007 International 4400 w/ a DT570 engine. I have a fault code of 6:2 2033-14A which I don't understand. Can you help?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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2007 international 4300 no brake lights. Depress brake pedal
2007 international 4300 no brake lights. Depress brake pedal and get warning triangle in dash and warning engine flashing dtc 1222 597 2 brake switch circuit fault replaced both sensors noto helping… read more
Daniel Wilson
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I have a 1995 international 4700 that the hazard lights are
I have a 1995 international 4700 that the hazard lights are not working on the bed all other lights work. The hazard lights work on the cab. I replaced the turn signal switch and wiring harness but st… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
1999 t600 brake lights and turn signals not working. Fuses
1999 t600 brake lights and turn signals not working. Fuses are good. Nothing on trailers work either . I unplugged tail lights to eliminate a bulb problem and still nothing. Could it be a brake pressu… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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What can allow a tandem wheel on the 4th axle of a semi
what can allow a tandem wheel on the 4th axle of a semi trailer to come free of its attachment?… read more
Jeremy
Jeremy
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Hey spanky its roland again hopefully you can help me i have
Hey spanky its roland again hopefully you can help me i have a 1996 ford aeromax with a 11.1L detriot. seems i dont have power coming out of the junction box on the cab for the trailer brake lights. i… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I am working on a 2007 M2 single axle road tractor w/air brakes.The
I am working on a 2007 M2 single axle road tractor w/air brakes.The right side brake light will not work. Running light and turn signal work. A trailer connector was added for a tag trailer using the … read more
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Ford F800: My job has a 1990 Ford F800. I dont know the engine
My job has a 1990 Ford F800. I don't know the engine or anything like that offhand since I am not at work. My question pertains to the wiring of the rear lights. We have no brake lights and the turn s… read more
Wayne
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Hello, I have a 2000 sterling tractor and my trailer brake
Hello, I have a 2000 sterling tractor and my trailer brake lights are on as soon as the key is turned on and stay on, the underhood relay is getting "switch on' power with key on, also i get power at … read more
Wayne
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Need advice on good used s/a medium-duty road tractor
Need advice on good used s/a medium-duty road tractor: I need help in setting up an Over-the-Road hotshot rig; a good used medium-duty road tractor to pull a stepdeck or lowboy-type flatbed trailer ra… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I have a 2005 Mercedes Columbia Freightliner.Trailer brake
I have a 2005 Mercedes Columbia Freightliner. Trailer brake lights stay on 100% of the time even though the tractor brake lights are not on and the tractor is completely shut down When hooked to a tra… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,164 satisfied customers
Kenworth K100: Im wiring a trailer brake box to my semi so
I'm wiring a trailer brake box to my semi so I can haul my gooseneck trailers with it. Where is the brake switch located on a 1989 cab over Kenworth K100?… read more
spankyjr1
spankyjr1
Retired
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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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