I need a wireing diagram of the intake heater system !!! The ATC can be turned back on in your Peterbilt semi-truck. 2000 Peterbilt 379 For Sale 141 Used Trucks From $14,900 The Peterbilt 379 is one of the most sought after models of trucks in the used truck market even after it was retired in 2007. This means that even if you have disabled the system, it will turn back on the next time you start the semi-truck. Peterbilt 379 CAT JAKE BRAKE. How To Turn Off ATC On A Peterbilt? (Explained & Solved!) In some cases, a Peterbilt 379 dash warning light may indicate a minor issue that you can easily fix yourself. Peterbilt 3D Models for Download | TurboSquid Similar trucks: Peterbilt 379 In Houston, TX. 5 Steps To Fix Peterbilt 379 Speedometer Not Working Forum rules SCS as a company do not wish to have paid mods on this forum. characterized by a smooth transition from the sidewalls to the walls of the sleeping compartment. Hood trucks of the 357 series with 4x2, 6x4 and 8x4 wheel formulas are not intended for long-distance transportation and are used in construction, oil fields, and in When the light is on, it means the system is disabled. [4], 2003 Peterbilt 379 American Class interior 550 hp CAT C15 18 speed, Learn how and when to remove this template message, "Peterbilt 379 Performance and Capabilities", https://en.wikipedia.org/w/index.php?title=Peterbilt_379&oldid=1116990609, Diesel (Cummins, Caterpillar, Detroit Diesel, Paccar), This page was last edited on 19 October 2022, at 10:49. Have you ever wondered what the ATC button in your Peterbilt semi-truck does? The total mass of tractors reaches 23.6 tons, road trains - 56.7 tons. If the light is on, the ACT is engaged and vice versa. After completing the CAPTCHA below, you will immediately regain access to the site again. In 1995, the modernization of the 320-series bonnet (4x2 / 6x4) was completed, consisting of two- and three-axle chassis designed for the manufacture of special However, a visual check may not be enough to spot a damaged wire in some cases. There are a few reasons this might happen: To regain access, please make sure that cookies and JavaScript are enabled before reloading the page. Need wire diagram for 2008 Pete 384 w/C13, Jake brake diagram. 3 Years Then, look for signs of damage on the wires. 1 - 30 of 55 results. The system will not use the brakes to slow the wheel spin down. looking for help with a 2007 Pete 378: fuse and relay layout and a wiring diagram for this model. You technically dont need to change the control module to disable the ATC permanently. It is said that there is a risk to turning the ATC system off on your Peterbilt semi-truck. This can be done at a workshop with a specialized tool to turn settings on and off on the ECU. You could disconnect the sensors on the wheels as well. Pressing this button will disable the ATC system. In CDL School Now Unit has a chandler tender box serial #11357. The first is that the wheel is losing traction, thus losing grip. overheats even with fan ON. If the low oil pressure light comes on, it means there isnt enough oil circulating through the engine. If it has power, consider taking a closer look. CommercialTruckTrader.com always has the largest selection of New Or Used Commercial Trucks for sale anywhere. There is an active diagnostic code for the intake manifold air temperature sensor and boost pressure is greater than 70 kPa (10 psi). This can ruin an entire set of tires or cause them to shred off the canvas. In the basic version, the trucks are equipped with I have a 2020 peterbilt 579 3.1m cab. 166K views 6 years ago With the temperature climbing this summer a lot of people change their thermostats in their Cat C15 engine as a cheap way to eliminate them as a cause of overheats. Please reply back if you need more help or have more questions. The 378 series includes mainly bonnet truck tractors with 4x2 and 6x4 wheel formulas for operation as a part of road trains with a gross weight of 72.6 t, as well as Air ride system. Transmissions may be either 9 or 18 speeds. Radiator plugged? I need a wiring diagram for a 2012 384 pete for the trailer light circuit. You've disabled JavaScript in your web browser. Disabling the ATC on your Peterbilt is an important thing. We're is abs relay located on a model 379 2004 Peterbilt At the same time, production of the 270 series bonnetless vehicles was discontinued. 4 Years For 80 years Peterbilt Motors Company has been manufacturing American medium to heavy-duty trucks. This can bother some drivers who prefer to have complete control over their throttle input. Blow off valves will release this pressurized air and makes a desirable hissing noise.. Please, Brian Giles (Saturday, 26 November 2022 23:20), Brandon Horrocks (Friday, 04 November 2022 22:39), 2005 379 peterbilt . William Fullford (Monday, 27 June 2022 05:45), Ross Buxbaum (Friday, 24 June 2022 00:09). no bubbles in coolant. The Peterbilt 379 is also equipped with a spacious, quiet riding cab sleeper system for the utmost comfort on the road. The classic 379 Series bonnet truck for long haul transport was created in the 1960s and modernized in 1990. 1 PETERBILT 379 Trucks in Bell, FL Trucks by Class CLASS 4 (GVW 14001 - 16000) (1) CLASS 7 (GVW 26001 - 33000) (2) CLASS 8 (GVW 33001 - 150000) (103) TRUCK BODY (1) Trucks by Category Cab Chassis (3) Car Carrier (6) Cargo Van (1) Conventional - Day Cab (19) Conventional - Sleeper Truck (52) Dump Truck (19) Logging (1) Tractor (77) 1998 peterbilt 379 petebilt with chandler tender box truck is 1998 pete 379 430 hp c-12 cat 15 speed 12000 front axle with 40000 air ride rears. Please refer to the Commercial Truck Trader Terms of Use for further information. There have been reports of the ABS being disabled when the ATC is disabled through the software. What Pressure Radiator Cap Rating Should I Use? 8LL, 9, 10, 13, 18, ULTRASHIFT, AUTOSHIFT, Caterpillar (C11, C12, C13, C16, C15, C156NZ, 3406C, 3406E). Based on the desired level of comfort and weight, the Peterbilt 379 comes with the following sleeper options: We want to help you find the perfect truck that fits your budget. Peterbilt 379 Replacement Radiator Caps. 8900 below average. The engine cooling system stabilizes the engine operating temperature by limiting the rise above the expected limits. streamlined aluminum cab with an inclined wedge-shaped hood. Can you reinstate the ATC on a Peterbilt if turned off. Peterbilt 379 2015 Paccar MX13 Engine Jake brake 10 speed Eaton Fuller new steel tank 4000-gallon baffle side to side USFS forest baffle 6 inch suction hose tubes inside tank tool boxes on. Northern California and its head office was in Newark near San Francisco. You've disabled JavaScript in your web browser. Designed for the replacement of worn or damaged timing belts, tensioners, belt idlers, hydraulic . A multimeter is a device used to measure the electrical properties of an electric device or wire. It can make driving the semi-truck more challenging in adverse conditions, though. If you do not have these tools at home, it would be better to call in an expert. Depending on the light thats illuminated, there could be a serious problem with your truck. Engine Radiators for Peterbilt 379 for sale | eBay The system will reset once the semi-truck is switched off. This will only temporarily disable the system, though, so its not a long-term solution. Wanting to get service manuals for 2013 Peterbilt 386 with isx motor. From the early . Sort by. Need wire schematic for paccar PP603468 rke system with model 389 harness that's in a 2021 peterbilt 348. 1988 would be Big Cam IV. It monitors various aspects of your vehicle, such as ignition timing, air/fuel mixture, and even speed. These large format PDF diagrams can be viewed on your computer or tablet, or taken to the print shop and printed out. doesn't overheat while idle or high idle. 5. 2004 Mazda MPV temperature gauge not working, Engine light on. The speedometer of the Peterbilt 379 truck comes with a fuse that protects it in case of power surges. Peterbilt 379 TelTek Gauges | Raney's Truck Parts Many Peterbilt 379 trucks come with the Cobra 25 or 29 LTD Classic. However, ATC systems have developed massively over the years, becoming more sensitive to wheel spin and applying brakes or cutting power more gently and naturally. The sensors are becoming better at detecting how much power is needed to allow the wheels to spin adequately without completely cutting the power. All modern-day Peterbilt semi-trucks will be equipped with traction control in some form. Then, look for signs of damage on the wires. respectively. 2004, the 335 series replaced the 330 series. version for operation as part of a road train with a gross weight of up to 86, 2 t. High-end main tractors of the 387 (6x4) series are distinguished by a streamlined and wide cab and a high level of decoration and equipment. The fourth option is Brakes Only. With this option, the system will not cut the power supply to the spinning wheel but rather use the brakes instead. Disabling the ATC does not affect the transmission performance. All tax, title and vehicle registration fees are additional. 21,000 1998 Peterbilt 379 For Sale In Kahoka, Mo. By checking this box and clicking the "Send me job offers" button below, I represent that I: By checking this box and clicking the "Send me job offers" button below. big cam cummins over heat | The Diesel Stop CommercialTruckTrader.com is not responsible for the accuracy of the information. If youre ever unsure about what a particular light means, consult your owners manual or ask a qualified mechanic. 1. It has caused some confusion for many people. CommercialTruckTrader.com always has the largest selection of New or Used Peterbilt 379 Conventional - Sleeper Trucks for sale anywhere. 2005 Peterbilt 379 Engine Cooling - TRUCKiD.com while cold took rad cap off and started ,no coolant jumping out. Unsubscribe at any time. The head office of the company is located in Dayton (Texas), production facilities - in Denton, Madison (Tennessee), St. Teresa (Quebec). There are custom Peterbilt control modules that do not have an ATC. Page Help Featured Filters. So, if this unit goes bad, your truck may not be able to recognize its traveling speed and will stay at zero most of the time. This is a 2000 peterbilt 379 day cab. Made to keep your vehicle's engine running cool Designed to maintain proper cooling level and prevent overheating. 1996 PETERBILT 379 Dump - Transfer Trucks Price: USD $45,000 Get Financing* Machine Location: Winton, California 95388 Engine Manufacturer: CUMMINS Horsepower: 400 HP Transmission: Manual Number of Speeds: 13 Spd Suspension: Air Ride Engine Brake: Yes Ratio: 3.9 Tires: 24.5 Compare Gordon Rodgers Inc Winton, California 95388 Phone: (209) 617-6871 max c4d lwo ma 3ds fbx obj Rigged. ATC stands for Automatic Traction Control. Peterbilt 352 Flatbed Crane Lightwave: $139. 1 - 8 of 8 results. And yes, you can contact Peterbilt customer support if the warranty hasnt expired. Make sure to set your multimeter to 200 ohms before using it. In some cases, you need a lot of power to get you out of a sticky situation. Honda450r21@gmail.com, LONNIE WAUGH (Friday, 19 August 2022 16:05), 2013 386 with isx engine looking for wiring diagrams for firewall cannon plugs also chassis harness or is there program or manual i can buy for my unit vin is 1XPHD49X2DD199788 ay help thanks. Serving as the successor to the 359, the 379 was a conventional-cab truck configured primarily for highway use, serving as the flagship of the Peterbilt model line. This is the cap's relief point, at which the pressure exceeds the cap's designated pressure rating and vents the pressure to atmosphere, either through a drain hose right to the ground (often seen in classic cars) or to a . When this happens, the wheel that is spinning too much will lose traction. wire schematic tach and speedo, Bernard Cheney (Sunday, 23 October 2022 01:12), looking for cab wire diagram for 2015 587 Peterbilt. It is unclear when this system was implemented into all models. Engine Coolant Radiator Cap by Automann. A malfunctioning speed sensor can also stop the speedometer of your Peterbilt 379 truck. The company was founded in 1939, since 1945 it is part of the PACCAR Corporation. Acert c-15 overheating | The Diesel Garage When youre driving a Peterbilt 379, its important to be aware of the different dashboard warning lights and what they mean. Consider reaching out to a trained mechanic, and they will take care of everything. A failing engine control unit can also lead to this problem in the Peterbilt 379 truck. The trucks are offered in single versions 4x2 with a gross weight of 14, 5-19, 0 t and 6x4 (23, 6-29, 3 t), as well as a truck tractor Frequently they would cut too much power or apply too much brake pressure to the wheels. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Dashboard Warning Lights, Symbols, and Meaning. What is the problem Posted by Anonymous on Aug 09, 2013 1 Answer Joe Minton Contributor 1 Answer I have same problem the freon is full.. The engine control unit is an expensive and complicated component, so replacing it requires skills and experience. Nowadays, digital multimeters are also available on the market that measure the values more accurately while being compact. Sometimes, the problem is not with the speedometer but with the cluster. kenneth hall (Friday, 01 April 2022 18:12), i have a 87 379 119' hood the wiring harness was badly cut up so i replaced the 87 harness with a 1991 379 harness, iam having trouble matching the 1991 harness with the 87 plug ins, I need the electrical diagrams for 2008 Peterbilt 325 for headlights and brake lights, Heather Johnson (Wednesday, 23 March 2022 01:11), troy hodge (Tuesday, 22 March 2022 16:09), i would like to glance at a 2012 peterbilt 587 service manual, Cliff DAvignon (Tuesday, 22 March 2022 10:31), I need electrical semantic for 2008 peterbilt 388 for dash panel lights and fuse box and one on the relays thanks, William Allen (Monday, 21 March 2022 13:54), I need the starting wiring circuit for 2006 357 peterbilt. If you see this warning light, pull over as soon as possible and turn off your engine. Peterbilt 379EXHD Truck + Interior v4.6 (1.43.x) for ATS To further outdo themselves in this outstanding display of pride and class, Peterbilt Motors developed an elite trim level of this model- the rare 379X. Defective Wrist Pin. However, it does limit the amount of power you can put down on the road, even if you push the throttle down fully. Amazon.com: Truck Radiator Compatible With Peterbilt 357 377 378 379 Sorting. I have 1999 peterbilt engine fan wont come on automaticly. View our entire inventory of New or Used Peterbilt 379 Conventional - Sleeper Trucks. There is an active diagnostic code for the coolant temperature sensor. This 379X model was only offered with a caterpillar engine mated to a 18 . Sort by. Be mindful that it must be installed properly, or else you may face the same problem even after getting a replacement. Auction. no oil in coolant no coolant in oil. MX-13 paccar motor and I am looking for the wiring diagram. Save my name, email, and website in this browser for the next time I comment. You're a power user moving through this website with super-human speed. The manual will help you locate it. When it comes to engines, you can't beat your options for the Peterbilt 379 model. $99. INSIDE PDC AND FOUND BLOWN FUSE FOR THE ENGINE ECM. Rear Ends, Air Lift Pusher Axle, 3.90 Ratio, Air Ride Suspension, 20,000 Lb. New Fachberater jobs added daily. This way, you can get a replacement while paying the least out of your pocket. If the ATC system detects that one wheel is spinning more than others, it will take action. Automatic traction control has been around for several years now. Peterbilt 379 Extended Hood Without Fenders Jone's Performance Jones Performance MSRP: $2,735.95 $2,432.51 Peterbilt Hood To Cowl Seal 20-15602-1244 L4260061244 Automann $48.95 Peterbilt 379 Extended Aluminum Hood w/ Fenders Grill And Surround Titan Hoods 1 review $4,893.95 Peterbilt 379 Short Hood Inner Panel 13-03576L 13-03576R Truck Shrouds The Peterbilt 379 comes with the following engine options: Being on the road in a Peterbilt 379 allows you to still experience some of the conveniences of home. [3], Throughout its production, the 379 was equipped with the most powerful versions of the engines offered in Class 8 on-highway vehicles. 2007 PETERBILT 379 Sleeper Trucks For Sale Price: CAD $70,000 Finance for as low as CAD $1,363.13* monthly Stock Number: 3902 Engine Manufacturer: Cummins Horsepower: 475 HP Transmission: Manual Fresh Engine Rebuild Updated: Feb 26, 2023 9:01 AM Hodgins Heavy Truck Centre Davidson, Saskatchewan, Canada S0G 1A0 Seller Information It was founded in 1939. If that doesnt fix the problem, then the truck will need to be serviced by a mechanic. When the ATC light is on, it means that the automatic traction control system is disabled. Save my name, email, and website in this browser for the next time I comment. Many truckers prefer to drive their semi-trucks without the ATC system. The 379 is externally distinguished from the 359 from the use of an enlarged windshield (allowing for horizontally-mounted windshield wipers); the 379 also introduced headlamp-mounted turn signals (relocated from the fender), making rectangular headlamps standard. 2005 PETE 379 overheating - TruckersReport.com If it is broken, replacing it will be the only solution. 2007 Peterbilt 379 Steel Radiator Overflow Bottle $249.99 Free shipping or Best Offer For 1989, 1992-1993, 1995-2007 Peterbilt 379 Radiator Spectra 11275ZF 1996 1997 (Fits: Peterbilt 379) $2,449.12 Free shipping Peterbilt 2008 379, 2008-2010 388, 389 aluminum radiator $695.00 $125.00 shipping or Best Offer Peterbilt 385 Toter Lightwave: $99. 1 Year Find New Or Used PETERBILT 379 Trucks for Sale, Narrow down your search by make, model, or category. As the turbo is on boost, the intake system will become filled with pressurized air from the turbo compressor. Peterbilt Peterbilt (full. Understanding this will help you know what to expect when you turn the ATC off on your Peterbilt semi-truck. You need to understand how it will affect your semi-truck fully. It was first built into a semi-truck in the early 2000s. You need to ensure that you are a skilled driver. Made to keep your vehicle's engine running cool Designed to maintain proper cooling level and prevent overheating. Peterbilt Motors Company, Peterildt Motors) is an American company manufacturing medium and heavy trucks. Contact a mechanic and let them diagnose the problem. When it comes to your Peterbilt 379, you want parts and products from only trusted brands. This is a very clever system that works similarly to the standard traction control system found on road cars. Without your consent employers will not be able to contact with job offers, would you like to opt-in now? The Peterbilt 379 is a true roadway icon that's undoubtedly earned it's global reputation. Four standard detachable sleeper sizes are available on the Peterbilt 379. They have a wide selection of power units: Cummins ISC, Here are some tips for troubleshooting Peterbilt 379 dash warning lights: The Peterbilt 379 is a workhorse of a truck, and its dash warning lights are there to keep you informed about whats going on with your vehicle. Peterbilt 379 Dash Warning Lights [Ultimate Guide] As you were browsing something about your browser made us think you were a bot. For some reason, there was a defect in some of the wrist pins that led to the separating of the piston pin and crown. While we understand that not all paid mods use the Intellectual Property of other companies/people, it is very hard to moderate what is and isn't acceptable when money is involved. Peterbilt 379 Long Sleeper Cab Tractor Truck 3-way 1991 3ds Max + c4d lwo ma 3ds fbx obj: $149. construction and utility vehicles on their basis. First, make sure to turn off the Peterbilt 379 truck. The ATC system on a semi-truck is clever. Additional information is available in this. Peterbilt 379 Performance and Capabilities - Allstate Peterbilt Here are a few simple solutions to try if the speedometer of the Peterbilt 379 stops working. However, if the ATC is turned off properly, you shouldnt have any issues. no white smoke. Here are a few simple solutions to try if the speedometer of the Peterbilt 379 stops working. Sorting. Check the fluid level and add more if necessary. The company was founded in 1939, since 1945 it is part of the PACCAR Corporation. Specially designed hitches are (703) 838-1763 required to recover your vehicle. $149. Some of the turbodiesel engines included the Caterpillar 3176, C-11, C-12, C-13, C-15, C-16 and the 3406-(B,C,E,P and EWS), Cummins the Big Cam NTC, N-14, ISM, ISX, ISMe5, ISXe5, Signature 600, and Detroit Diesel 60 series. What to do if a Peterbilt 379 dash warning light comes on, How to troubleshoot Peterbilt 379 dash warning lights, 2023 Honda Pilot Specifications and Release Date, BMW 2 Series Dashboard Warning Lights, Symbols and Meanings, Audi A5 Dashboard Warning Lights, Symbols and Meanings, Cadillac XLR Dashboard Warning Lights and Symbols, Lexus Nx 300 Dashboard Warning Lights and Symbols, Heavy Equipment Caterpillar Warning Symbols, Mercedes GLA 250 Dashboard Warning Lights and Symbols, GMC Sierra 2500 Dashboard Warning Lights and Symbols, Jeep Grand Cherokee Warning Lights, Symbols and Meanings, Stanley Fatmax Powerit 1000a Warning Lights, Kia Cadenza Dashboard Warning Lights and Symbols, Dodge Dart Dashboard Warning Lights and Symbols, Audi Q8 Dashboard Warning Lights and Symbols, How To Fix The Chevrolet Seat Belt Warning Light, Case Tractor Warning Lights, Symbols, and Meanings, Nissan Forward Emergency Braking Warning Light Reset. Manual will be automatically added to "My Manuals", How to Navigate the Functions in the Instrument Cluster Display, Air Filter Restriction Indicator or Gauge, Drive Axle Temperature Gauge (Forward and Rear), Operating Hydraulic Clutch (Manual Transmission), Cleaning, Protecting and Weather Stripping, Consumer Information and Vehicle Identification, Federal Safety Standard Certification Label, Trucks Peterbilt 348 2017 Operator's Manual, Page 17: Additional Sources Of Information, Page 60: Vehicle Recovery And Spring Brakes, Page 87: Driver Information Display Description, Page 91: How To Navigate The Functions In The Instrument Cluster Display, Page 119: Suspension Load Air Pressure, #1, #2, Page 121: Transmission Retarder Oil Temperature, Page 145: Steering Wheel Controls (Optional), Page 161: Sleeper Heater - A/C Controls (Optional), Page 190: Automatic And Automated Transmissions, Page 208: Adaptive Cruise Control (Optional), Page 212: Dual Range (Two-Speed) Rear Axle, Page 214: Auxiliary Axles - Pusher Or Tag, Page 223: Driving With Deflated Air Springs, Page 245: Preventive Maintenance Schedule, Page 276: Fuller Transmission Lubrication, Page 278: Allison Transmission Lubrication, Page 299: Cleaning, Protecting And Weather Stripping, Page 303: Safety Restraint System - Inspection, Page 315: Fuses, Circuit Breakers And Relays, Page 319: Fuse Inspection And Replacement, Page 326: Electrical And Alternator Precautions, Page 353: Inspection And Maintenance Instructions, Page 359: Noise Control System - Maintenance Log, Page 379: Wheel Replacement With Disc Brake Option, Page 389: Consumer Information And Vehicle Identification. I give my express consent authorizing TruckersReport and its. [1], The largest highway truck sold by Peterbilt at its launch, the 379 was produced in two configurations, a 119-inch BBC (bumper to back of cab length) and an extended-length hood, for a 127-inch BBC. If the light is on, the ACT is engaged and vice versa. Peterbilt 379 Thermostats & Components - TRUCKiD.com Peterbilt 379 Truck Engine, Cab Wiring Diagram Schematics 1994 PETERBILT 379 Farm Trucks / Grain Trucks Price: USD $95,000 Get Financing* Machine Location: Seminole, Texas 79360 Stock Number: 3244 Mileage: 429,872 mi Engine Manufacturer: CATERPILLAR VIN: 1XP5DB8X8RD344574 Rear Axles (Include Lift Axles): Tandem Engine Model: 3406 Wet Kit: Yes Drive Side: Left Hand Drive Compare J & S Tractors, LLC Try checking the fuel level and air filter first. The 379 Peterbilt in it's time, was the best riding truck available, with 3 different air-ride systems, a system where the unit sits of 3 sets of air bags: there's air ride on the axle, under the bunk and cab (Unibilt) and also in the driver's seat. In 2008, the company in the production of tractors began to use hybrid power plants designed and manufactured by Eaton Corporation, joe rogers dozer service (Friday, 10 February 2023 22:07), I am looking for the schematics for a 2007 Peterbilt 330 8.3L, Curtis Singleton (Tuesday, 17 January 2023 23:01). Need to find the location of the following NEED WIRING SCHEMATIC FOR 2007 384 PETE CECU CONTROLLER. If it shows some reading, the circuit is complete. In 2003, the company manufactured 18.6 thousand trucks (in 2002 - 19.5 thousand A leaking injector top O ring. The Peterbilt 379X was only in production from 2004-2006 with an estimite of only 2000 units produced and was geared towards owner operaters. Once you have located the speed sensor, check its condition. This can be installed on your Peterbilt semi-truck. The Automatic Traction Control can be turned off on a semi-truck by pressing the ACT button in the cabin. Is it bad if you turn off the ATC on a Peterbilt? 2004 Mazda MPV has been burning oil, no dripping or stains in driveway, but burning rubber type smell after turning vehicle off. The Peterbilt 379 is a model line of Class 8 trucks that was produced by the Peterbilt division of PACCAR from 1987 to 2007. But in 1986, the Newark plant was closed and in 1993 the head office was moved to Denton. Once you have got it replaced, start your vehicle and see whether it has fixed the problem or not. And remember, its always better to be safe than sorry when it comes to your truck. thank you, Loyd Morris (Friday, 12 August 2022 23:48), I need wiring diagrams for 2004 330 peterbilt mainly stoplamp circuit with hydrolic brakes. 1 Answer Air conditioner compressor on 1998 peterbilt 379 with cat c 12 engine will not kick on. We won't send you spam. When the tire overheats, it will begin to wear out faster, and it could even cause flat spots.