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Related Medium and Heavy Trucks Questions
Low beams on high beams come on with very very dim light.
Low beams on high beams come on with very very dim light. Just the opposite on high beams … read more
TomcM28
TomcM28
Owner
Associates
14 satisfied customers
My bus does not have working low beams, but the high beams
Hi! My bus does not have working low beams, but the high beams work … read more
JimmyM827
JimmyM827
Bobcat specialist
Automotive technologies
70 satisfied customers
This past week one morning I got up, turned on my headlights
This past week one morning I got up, turned on my headlights and just the right side came on....(when on high beam) On low beam, both left and right low beam work.. When dimmer switch is on high, both… read more
Keiphun Sowell
Keiphun Sowell
Owner Brothers Restoration/Troubleshoot
AutoDiesel Technology
2,780 satisfied customers
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
6,062 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
6,062 satisfied customers
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
6,062 satisfied customers
I have a 2008 GMC 5500. When I turn the headlights on I have
I have a 2008 GMC 5500. When I turn the headlights on I have no low beam. The high beams will turn on when I hit the dimmer switch. It has a new dimmer switch, light switch, and I've tested all fuses … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
We have a 2004 International 8600 that has a problem with
Hi. We have a 2004 International 8600 that has a problem with the headlights. The daytime running lights work, low beams work, but no high beams. The high beams work if I hold the dimmer switch in the… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
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
6,062 satisfied customers
Bought a used 1995 Peterbilt 379. Last owner said no issues
Bought a used 1995 Peterbilt 379. Last owner said no issues with headlights. Just got it shipped to me. Turn on headlights dash says low beam is on. Passengers low beam is bright and on drivers side l… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
GMC c7500 no dim lights, cannot locate the drl module.
GMC c7500 no dim lights, cannot locate the drl module … read more
Wayne Crawford
Wayne Crawford
4,052 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
6,062 satisfied customers
Problems with Volvo headlights. High beam indicator stays
problems with Volvo headlights JA: What's the make/model/year of your truck? Engine type? Customer: high beam indicator stays on JA: Are you fixing your truck yourself? What have you tried so far? Cus… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
593 satisfied customers
99 fld 120 headlight wiring problem. On low beam the left
99 fld 120 headlight wiring problem. On low beam the left headlight dims every 10 seconds or soand I can hear the breaker clicking off and on. When this happens, the left turn signal indicator light o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
High beams only on a 2000 Pete. Checked breakers, turn
High beams only on a 2000 Pete. Checked breakers, turn signal switch, headlamps the, light switch … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
On a 99 379 short hood, I just bought, the headlights (4) are
On a 99 379 short hood, I just bought, the headlights (4) are all on and the dimmer switch on the turn signal switch won't dim. It just clicks as you pull it toward you. The bright light indicator is … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 1999 Kenworth t600. When I turn my low beam
I have a 1999 Kenworth t600. When I turn my low beam headlights on , my low beam bbulbs are bright and my high beams come on dim. When I turn high beams on high beams come on and low beams get dim. An… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 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
2,756 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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