Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Don, There is a red wire running from the cab to the back of
Don, There is a red wire running from the cab to the back of the truck for brake lights only. We also have a yellow and green for the turn signals in the factory harness. Right now we have 4 tail ligh… read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
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I have a 2005 International 4200, hydro nrakes and auto
i have a 2005 International 4200, hydro nrakes and auto trans. Ran into problem, i have flashers, brakes and tail light at key off but not when i turn key on or at run. Also, when i turn my key to on or run , my wipers are constantly on. … read more
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Mike Mcmillan
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Want to be connected to Wayne to get my question answered.
want to be connected to Wayne to get my question answered … read more
Wayne
Wayne
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690. Cruise control will not work. This truck is used in a
690. Cruise control will not work. This truck is used in a oil field application and the cruise control is used to idle the truck up and down during use of equipment on location. It has cruise control… read more
Jeremy
Jeremy
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I have a 2005 Mack LE no throttle drivers side throttle
I have a 2005 Mack LE no throttle drivers side throttle works on stand up RH side EML light and ABS light on Cruise switch doesn't work to advance idle … read more
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I have a 2002 fuso. My headlights,tail lights and brake
I have a 2002 fuso. My headlights,tail lights and brake light suddenly quit working. All fuses are checking good. Where else should I look … read more
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I HAVE A 1987 R MODEL MACK AND WHEN THE PARK BRAKE IS RELEASED
I HAVE A 1987 R MODEL MACK AND WHEN THE PARK BRAKE IS RELEASED THE BRAKE LIGHTS THROW THE BREAKER?… read more
Daniel Wilson
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I'm not sure if all of the these symptoms are related, but I
I'm not sure if all of the these symptoms are related, but I have a 2000 Mack RD688s that has the Electronic Malfunction Light & Parking Brake Light remain on with the ignition off and key out. I retr… read more
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I'm working on a 2001 mack ch612 I have power to the brake
I'm working on a 2001 mack ch612 I have power to the brake light switch located on the fire wall in the cab it is two wire I have 12 volts to the switch also the electric brake controller is conector … read more
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Jeremy
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2008 freightliner,Detroit diesel,60 series, truck starts and
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I have an 07 Mack CXN613 with the 355/380 engine. Weve been
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2005 pete 387 abs brain. Where is it located and does anyone
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I have a 2004 peterbilt 379 with turn singles problems. The
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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
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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
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99 peterbuilt 379 turn jake brake on tail li9ghts stop working
99 peterbuilt 379 turn jake brake on tail li9ghts stop working and cruise control quits also turn jake off and tail lights work again and so does cruise no fuses ever blow… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,877 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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