Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Working on a Peterbilt 386 vin # DD205206.low beam on
Working on a Peterbilt 386 vin # DD205206.low beam on passenger side is not working. Volt gauge shows 5 bolts. Looked for headlight relays but can't find any. Called Peterbilt parts guy I buy from and… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
23 satisfied customers
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
Associates
8 satisfied customers
Trying to figure out how to replace the high beam indicator
Trying to figure out how to replace the high beam indicator light on a 2002 Freightliner MT45 … 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
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
Retired
Vocational, Technical or Trade Scho
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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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Western star no headlights, Western star4964ex, No power
No power from headlight switch to relay on fuse panel … read more
Expert
Expert
10,448 satisfied customers
I need a headlight wiring diagram for a 1998 FLD120
I need a headlight wiring diagram for a 1998 FLD120 Freightliner with an N14 Cummings in it. VIN#1FUYDDYB0WL959791. Can you help me find? I am trying to find where the low-beam relay has constant powe… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
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
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
HelloWell yet another irritating issue with my Freightliner
Hello Well yet another irritating issue with my Freightliner Columbia Suddenly the drivers side low beam bulb will not work. Pass side works, in high beam both sides work. My guys are having to drive … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
I am working on 2000 freightliner fld112. head light issue,
I am working on 2000 freightliner fld112. head light issue, all my lights work when i have a key in off position ( low, high beam, marker light) but when i turn key in on position my high beam dont wo… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 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
2,747 satisfied customers
Hi I have a 2005 387 Peterbilt. With. No high beam. And no
Hi I have a 2005 387 Peterbilt. With. No high beam. And no reverse lights I tried a new turn signal switch and head light bulbs to no avail. Where can I get a wiring schematic? Also do the to 2 items … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Vin # XXXXX ..2003 freightliner columbia ...light switch
Vin # XXXXX ..2003 freightliner columbia ...light switch in upward position no lights at all , but constant clicking coming from the self setting relay to rt hd lt and the lt self setting relay gettig… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
head lights work on high beams right side low beams left only
head lights work on high beams right side low beams left only its a 4 light system 2011t800 day cab isx 15l I have 7 trucks the dashboard monitor says low beam failure have got fuse panels out checked… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Jeremy, The new multi-function switch did not fix the High
Jeremy, Good Morning Sir. The new multi-function switch did not fix the High Beam inop situation on the 2004 Thomas Bus. I could have sworn that was what it was, but that did not fix it. I still have … read more
Toby
Toby
Vocational, Technical or Trade Scho
107 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
2,747 satisfied customers
HelloI have a 2000 International 4700 the high beams are
Hello I have a 2000 International 4700 the high beams are stuck on it does not seam to be the switch in the lever as I have discontected and tested it. I am wondering if there is a high beam relay and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,904 satisfied customers
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