Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
The left side brake lights aren't working. All other lights
The left side brake lights aren't working. All other lights work fine. Even the blinker works just fine on that side and they are run on the same wire. … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
185 satisfied customers
My left turn signal doesn't work,if I take a test light and
My left turn signal doesn't work,if I take a test light and probe the red wiire for signal at left front fender while wire is un hooked,it will blink but only 6.5 volts.already changed turn signal swi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Jeremy. I have another conundrum on the 99 freightliner. We
Hi jeremy. I have another conundrum on the 99 freightliner. We recently had some mild to very cold weather in a short time frame. Lots of salt and moisture on the roads. Its causing havoc on the elect… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
2001 Freightliner FL70, the glow plug light and the ABS
2001 Freightliner FL70, the glow plug light and the ABS light stay on all the time. Is it ok to drive? … read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
I have a 2003 Freightliner Columbia. Having issues with my
Good morning . I have a 2003 Freightliner Columbia . Having issues with my marker lights not working when my headlights are on . I have replaced my dash switch already no change . Checked fuses and re… read more
Roy
Roy
shop foreman
Associate Degree
5,217 satisfied customers
I have a 2000 c6500 with a 7.4 in it i have torn the engine
i have a 2000 c6500 with a 7.4 in it i have torn the engine apart and had a valve job done i have it back together and its running great everything is hooked up. However i cannot find where the heck t… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
98 fl70 with cat motor. Doesn't crank below 32 deg. Replaced
98 fl70 with cat motor. Doesn't crank below 32 deg. Replaced starter and solenoid with no change. Is there another electric relay or could it be the ign. Switch?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,002 satisfied customers
1999 Peterbilt 379, Left front turn signal won't blink with
1999 Peterbilt 379, Left front turn signal won't blink with out headlights or clearance lights on and then it is very dim. With out the headlights on the rear turn signals blink normal. With left turn… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
1999 international 4900 left turn signal doesnt work when
1999 international 4900 left turn signal doesnt work when headlights are turned on. simultaneously the right one blinks very slowly. Slowly as in every 3 seconds or so. Also the clearance lights blink… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
1996 series 60 with 800,000 on it run one day next day
1996 series 60 with 800,000 on it run one day next day wouldn't start,new ecm,fuel pump,injectors still wont fire will run on ether and then stalls out… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
We have a 98 Ford/Sterling LT9500 truck. Today I was trying
We have a 98 Ford/Sterling LT9500 truck. Today I was trying to install a third brake light on top of a mounted water tank. I located the brake wire at the left rear light and cut it to splice in. I cu… read more
John Vieira
John Vieira
Heavy Duty Diesel Mechanic
63 satisfied customers
2005 t 600, wheni turn on the ac button it blows fan fuse also
2005 t 600, wheni turn on the ac button it blows fan fuse also replaced fan clutch selinoid but the fan stays on checked all pressure sensor connections all good , stumped… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Have a 2008 freightliner cascadia. Need wiring diagram for
Have a 2008 freightliner cascadia. Need wiring diagram for blinker circuit. Left blinker blinking very fast and not transmitting to trailer. Need diagram for supply to 7 way pigtail socket as well.… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2008 International Prostar. The left running light
I have a 2008 International Prostar. The left running light is not working. The signal and flashers work and the lightbulb is not burnt .… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
I have a 2003 fl70 freightliner moving truck. Recently it
I have a 2003 fl70 freightliner moving truck. Recently it has had some bizare electrical issues. With the key off and just flicking the left turn signal, the hazard lights come on and the digital odom… read more
Jim
Jim
Diesel tech.
212 satisfied customers
I have a 2010 kenworth w900l I am having turn signal problems.
I have a 2010 kenworth w900l I am having turn signal problems. My right signal does not work no indicator light no trailer or fender lights but the rear light does work. I have swapped the flasher mod… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
i have 1999 w900l kw hooked to a tanker trailer, the truck
i have 1999 w900l kw hooked to a tanker trailer, the truck has quit completly two times, and the clearance lights are going out. It will start back up eventually, what is going on. We just had kw mech… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Why does my peterbilt 367 semi blow a 20 amp fuse in the power
Why does my peterbilt 367 semi blow a 20 amp fuse in the power G5 fuse location in the engine compartment fuse panel when I use the left turn signal… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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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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