Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2007 freightliner columbia day cab. headlights will not
2007 freightliner columbia day cab. headlights will not switch to high beam. the turn blinker switch has been replaced and also checks good. the circuit checks out good to the fuse/relay panel into th… read more
TomcM28
TomcM28
Owner
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Front passenger turn signal will not come on all other
Front passenger turn signal will not come on all other signals work changed the bulb still Nothing … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1996 379 peterbilt that the low beams do not work.
I have a 1996 379 peterbilt that the low beams do not work. the high beams do work but the switch in the cab gets very hot and it soon trips the breakers. I checked for shorts everywhere and put a new… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have A 93 L 8000 I replaced the high low beam switch and
I have A 93 L 8000 I replaced the high low beam switch and the Circuit breaker and I still have no headlights or taillights I have turn signals and that's it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
1985 359 Pete. I have low beam headlights only High beams
1985 359 Pete. I have low beam headlights only High beams dont work. I have four round Headlights. bulbs are good. No power to high beam. when I switch to high beam the two outside lights shut off and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Head lamp defualt code oneside low beam not working on low
head lamp defualt code oneside low beam not working on low beam when on high beam otherside high beam goes out … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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2007 freightliner, low beams dont work, beams do. Also no
2007 freightliner, low beams dont work, hi beams do. Also no power to marker light pins for trailer … read more
Keiphun Sowell
Keiphun Sowell
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AutoDiesel Technology
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2012 Isuzu NPR HD. Daytime running lights work and low beam.
Second opinion] 2012 Isuzu NPR HD. Daytime running lights work and low beam. No high beam lights. Checked multifunction switch and all wiring. Not finding anything obvious. Also the high beam indicato… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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All lights working except low beam. Tried new dimmer but no
All lights working except low beam. Tried new dimmer but no luck. 4700 international … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a 2013 Hino 268 that I've had for about a month and
I have a 2013 Hino 268 that I've had for about a month and the high beam headlights work but the high beam s … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Put new square fixtures and led lamps. This is on a 1982
Put new square fixtures and led lamps. This is on a 1982 Peterbilt 359. We have them wired but when you turn high beam the lamp which is on the left side. The right light just has a small glow. Voltag… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have no high beam lights on a 2003 heavy duty truck. I
I have no high beam lights on a 2003 heavy duty truck. … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 satisfied customers
I have a 2006 Freightliner Columbia. I have headlight
I have a 2006 Freightliner Columbia. I have headlight issues. When low beam is on; all my marker lights work and both low beams are on. Once I put High Beam on, drivers side lo/hi bulbs turn off and a… read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
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I have a 2007 Freightliner Columbia...was just up in the
I have a 2007 Freightliner Columbia...was just up in the snow and salt...now my high beam headlights don't work!..or my wiper unit, or my … read more
Roy Belding
Roy Belding
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Road Lights have stopped working on 2002 freightliner
Road Lights have stopped working on 2002 freightliner columbia. checked and i am not getting power to the lights. I have swapped out the road lamp relay with a known good relay. I am getting power to … read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2013 Freightliner Coronado, the passenger high beam
I have a 2013 Freightliner Coronado, the passenger high beam will not work. I have the truck on and the only high beam that works is the driver side, all lights work by the way except the passenger hi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have an 07 Peterbilt 379 why do my headlights go out on
I have an 07 Peterbilt 379 why do my headlights go out on the driver side when I switch to highbeam and low beam works until I turn it until turn on highbeam them nothing on driver side? I tried a new… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
i have a 2004 thomas school bus, 5.9 auto air 72 pass
i have a 2004 thomas school bus, 5.9 cum auto air 72 pass bus The problem is when dim head lights to bright they will come on as switch starts to switch then go back to dim lights, Can hold dimmer swi… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 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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