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Related Medium and Heavy Trucks Questions
When turn on left signal the rear left flashes bright and
When turn on left signal the rear left flashes bright and also the right flashes but dim like it has a short in it. When I turn on the right nothing happens. I need a schematics for all three light sw… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
2012 Kenworth, no high beams on right and no low beam on
2012 Kenworth, no high beams on right and no low beam on left. Fuses for chassis node are good, bulbs are good. Looking for wiring diagram from lights to chassis node … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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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
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I am trying to install LED headlights in a 2009 KW W900L. I
I am trying to install LED headlights in a 2009 KW W900L. I have to put in a relay system 4 the high beams. Is there a easy way to find the highbeam hot wire from the firewall to the headlights? … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2002 KW W900. I have no headlights,neither high or low beam.
2002 KW W900. I have no headlights,neither high or low beam. High beam indicator is on constant. Also no turn or markers on hood. … read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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Western star no headlights, Western star4964ex, No power
No power from headlight switch to relay on fuse panel … read more
Roy
Roy
shop foreman
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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
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I just finished rewiring my headlights and fender turn
Hi, I just finished rewiring my headlights and fender turn signals, I was careful to replace the wiring in the same way it was previously wired, but now I'm having an issue with the high beam indicato… read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
2005 W900 headlights 't work. Have power to 3 wire plugs on
2005 W900 headlights don't work. Have power to 3 wire plugs on frame on each side. also have power on the ground wire. Tried aux. ground to frame to ground wire ,just get small spark but no lights. Di… read more
Bradley Martin
Bradley Martin
16 satisfied customers
2014 kenworth t800 No low or gh beams,no flashers or turn
Good morning, 2014 kenworth t800 No low or high beams,no flashers or turn lights Low power to both head light harnesses, Replaced both high and low beam head light Fuses seam to be ok Left low beam we… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 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
2,243 satisfied customers
2007 IH 4300 1HMMAAL27H486569. Headlamps will not come on by
2007 IH 4300 1HMMAAL27H486569. Headlamps will not come on by the switch. Only the low beams come on when you release the parking brake. You can flash the high beams anytime but they will not stay on. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have 2007 379 installed grand general head lights and when
I have 2007 379 installed grand general head lights and when I turn on brights the lights go out how do I fix it… read more
Daniel Wilson
Daniel Wilson
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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
2,243 satisfied customers
I have a 2001 Volvo VNL. VIN# ***** I am working on the
I have a 2001 Volvo VNL. VIN# ***** I am working on the headlights. The left low beam is dim at times and completely out at other times when the switch is on and the truck is parked. If I release the … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a 2008 kenworth t800 with 120,000 miles and the backlighting
I have a 2008 kenworth t800 with 120,000 miles and the backlighting in the gauges and all or the switches don't light up when the headlights or park light are turned on. The gauges still give their re… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
Jeremy..same bus, 2004 Thomas model 590. Relay fixed the marker
Jeremy..same bus, 2004 Thomas model 590. Relay fixed the marker light situation, but now the high beams will not stay on. They were working. Now there is just a "Flash-to-Pass" when you try to engage … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 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
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212 satisfied customers
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