Transmissions are only mechanical 9- and 18-speed. This manual allows you to find the necessary information for the user, as well as to print out individual pages or the entire text as a whole. thank you, Loyd Morris (Friday, 12 August 2022 23:48), I need wiring diagrams for 2004 330 peterbilt mainly stoplamp circuit with hydrolic brakes. 3) LOCATION OF MAJOR COMPONENTS Privacy | NO ISSUE FOUND. Where else could I look to troubleshoot this. To reach the switch the driver's door needs to be opened. They are intentionally designed for urban and intercity use. 21) DOOR HARNESS ( RIGHT ) The models of the two popular series 200-30 and 200-33, having a similar design, are As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, Lamps, Reflective Devices, and Associated Equipment.. characterized by a smooth transition from the sidewalls to the walls of the sleeping compartment. Ok about at my wits end with this thing. Works normally with blinkers on. For the best experience on our site, be sure to turn on Javascript in your browser. There was no flickering or anything when I pulled on it or shook it. Your link has been automatically embedded. 53,816 Answers Check out the brake light switch either under the dash at the top of the brake pedal or on the brake valve body. If this info is worth more than u paid for it hit thanks and rep, Oh that thing is a bit$$ to get at its located on the brake valve under the truck its hard to see but its there. Also, includes the next Peterbilt schematics of the 2020 year: Schematic - ABS System, Cvntl Node Got be picking my hair out. Model 520 Sales Sheet. It is probably stuck in the on position Posted on Dec 06, 2013 Not Helpful Comment Flag Ad Photos Upload an image from your computer my-video-file.mp4 Read full answer Aug 02, 2012 Cars & Trucks Schematic - Cab/Slpr Non-LVD Power Distr Cvntl Node Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. You can post now and register later. They are also used to shut off air to the trailer before disconnecting the lines. 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 A new development is that my electric slide outs (2) seem to be acting up in that I sometimes have to move the ignition switch on and off a couple times to get them to work. 28) 63 / 48" LOAD CENTER W/ LVD Owners may contact Peterbilt customer service at 1-940-591-4000. I would check the turn signal switch. goes without a semi-trailer. The classic 379 Series bonnet truck for long haul transport was created in the 1960s and modernized in 1990. The 379 series cars have a When you press the brake pedal, it supplies power to the signal lights at the back of your vehicle to warn other drivers you have slowed. Put a new signal switch on the column and it's still doing the same thing, not sure where to go next. 1700 Woodbrook Street Truck is '06 Pete 387, ISX, Auto Shift tranny. But when I let my finger off it went back to staying on. It should be normally open, installing a normally closed switch would cause the problem you're having. 2009 peterbilt 389 recall - parking brake:conventional:air problem: paccar is recalling 1,043 my 2008-2009 kenworth c500, t2000,t660, t800 and w900 trucks equipped with bendix mv-3 dash control valves. Can you verify the VIN and provide the year of the truck? The contents of this forum are for experimental & educational purposes only. Thanks for joining us and I hope you enjoy your stay!! Q27-60308A8EEF1AA1. Theres only 2 locations it could be. 23) 70" SLEEPER LOAD CENTER WO LVD BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! 15.85 MB - pdf. Put them back on and the brake lights went back on. Where is the brake light switch on 2005 379? Denton, TX 76205 - 88 - PB1318 3/01 Model 330. 51) ENGINE BRAKE One is on the park brake valve in the dash, the other is in the engine compartment on the cab bulkhead left side near the rear valve cover. 29) 48" HIGH ROOF SLEEPER Free shipping. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I unplugged the harnesses where they tie into the firewall and was still getting a blinker and brake light coming from the bulkhead when the right blinker was on. Schematic - Exterior Lighting, Cvntl Node At the same time, production of the 270 series bonnetless vehicles was discontinued. In addition to the brake warning light and buzzer, my driving lights turn off and on in unison with the brake warning light and buzzer. Import Direct Ignition 4 Terminal Multi-Purpose Switch - 18-1614. . Air discs provide greater stopping power and better braking feel than drum brakes. "Mebbe I'm too ugly and stupid to give up! The brake light switch is located above the brake pedal on a 1993 Nissan Sentra. 39) CHASSIS HARNESS Page 52 DASH-MOUNTED FEATURES PART 4: CONTROLS AND DISPLAYS WARNING! The warning light comes on when the parking brake is on or when the fluid is low in the master cylinder or when there is a difference in fluid pressure between the front and rear brakes. 53) ISM CHARGE / START the ISC, ISL, ISM, ISX series (215-565 hp) and Caterpillar C10, C12, C15, C16 (305-600 hp), Fuller and Meritor manual gearboxes with the number of stages from 9 to 18. AUXBEAM 8-Gang RGB LED Light Switch Panel for Peterbilt Kenworth Freightliner (Fits: Peterbilt) $242.99. Also check for built up dirt under the pedal that is keeping it slightly depressed. 8 out of 10 times, the stability control light comes on due to a faulty wheel speed sensor or an ABS sensor. All pages 16 x 24-inch paper sheets converted to digital PDF format good luck. 4) LOCATION OF MAJOR COMPONENTS Free shipping. We are adding more products daily. Is there a way to get the buzzer to stop. Normally there is a manifold under clutch pedal but there is not one on this truck. Johnny H (Tuesday, 03 January 2023 21:19), Looking for fuel system schematics / diagnostics for Peterbilt H 357, Neal Brakke (Saturday, 31 December 2022 01:40), Working on a 1995 379. need HVAC component parts diagram. Complete fully detailed wiring diagrams showing all Peterbilt 389 systems over the entire vehicle. Thank you for shopping with us and remember to ask Pete if you don't see the part you're looking for. Was: $485.98. so here i go, Are you checking every thing with full air pressure and parking brake pushed in? 56) CUMMINS FUSE HARNESS trying to follow that wire, wiring diagram for 2006 335 accessory fuse, Need a exploded view of power steering system, Peggy Johnson (Friday, 29 July 2022 23:33), I need a wiring schematic for ECM on a 2009 Peterbilt #5. There is a good chance, for its brake pedal ECM signal, it might just be using a simple air pressure switch, set at 3-5 psi that triggers an " Closed" circuit "Open Circuit" (with brake pedal depressed ) = that tells the ECM, on the engine, that the brake pedal is depressed. spanky021959@hotmail.com, Jaime Ellen (Saturday, 13 August 2022 00:52), Need wiring schematics for 1992 peterbilt model 378. main fuse panel diagrams and lighting circuits. 22) 70" SLEEPER 62) XMSN - AUTOSHIFT DASH Thanks Bernard, Steve winn (Tuesday, 13 September 2022 13:42), Steve winn (Tuesday, 13 September 2022 13:40), Looking for a cabin chassis wire diagram for a 1993 peterbilt 36. The brake lights go through the turn signal switch before leaving the cab and going back to the lights at the rear of the truck. Add to Cart. 52) ISX CHARGE / START $1999 $22.99. It also sends a signal to the vehicle computer when the brakes are applied. PACCAR will notify owners, and dealers will inspect and replace any brake light switches with date code 08-01760, free of charge. In May Save 5% with coupon. The switch will be inside the cab regardless of the year model. I re-grounded all the lights on the truck. Another question for you. Peterbilt trucks with a gross Using the engine . The replacement of a brake light switch in a repair shop can cost from $55 to $115 (part and labor). GPS navigation shows you routes customized to the size and weight of your truck. 2. Thanks in advance. Tagged: 0 Thread (s) Cruise Prob on '06 Pete. Schematic - Audio System, Cvntl Node 14) MAIN CAB ( CONTINUED ) PACCAR Incorporated (PACCAR) is recalling certain model year 2017 Peterbilt 325, 330, 337, 348, 365, 367, 386, 389, and 587 vehicles manufactured April 20, 2016, to June 13, 2016. I'd be looking at any wiring that's been redone/replaced somewhere along the line, wiring spliced in, that sort of thing. 64 XMSN - ULTRASHIFT DASH 1-5 Months Where do I find the Peterbilt 379 brake pressure switch for cruise control. Please help. 56 peterbilt wiring schematic pdf truck manual diagrams fault codes free 2013 386 electrical diagram 389 model family have a 2012 last few digits vin 131587 has . Please Rep and Thank if this post is helpful to you. wire schematic tach and speedo, Bernard Cheney (Sunday, 23 October 2022 01:12), looking for cab wire diagram for 2015 587 Peterbilt. A forum community dedicated to Diesel engine owners and enthusiasts. The cruise is controlled by the engine ECU which gets it's input from the brake light switch, clutch micro-switch and speed sensor. There are two brake light switches. MX-13 paccar motor and I am looking for the wiring diagram. "Some people are educated beyond their intelligence.". Any help is appreciated. If I helped you in anyway, then please press Thanks. June 23, 2010 in Electrical, Electronics and Lighting. Do not start the car. The new digital display is pure Peterbilt: bold design, state-of-the-art technology, and class-leading functionality. Seen a wire come loose inside and back feed or short something out. Model 389 Sales Sheet FRENCH. BACK-UP LIGHT SWITCH The back-up light switch is located at the upper left side of the transaxle case. Member/s doing such will be membership revoked. 15) MAIN CAB ( CONTINUED ) NEED WIRING SCHEMATIC FOR 2007 384 PETE CECU CONTROLLER. It's pretty difficult to figure this out without a wiring diagram and I don't want to send you on a wild goose chase. 5. out of 5. The company was founded in 1939, since 1945 it is part of the PACCAR Corporation. Laura Smith (Sunday, 10 April 2022 23:59). JavaScript is disabled. Jul 7, 2015. It may not have anything to do with 12 volts DC ,at all. Or fastest delivery Thu, Mar 2. The switch is screwed into the transaxle and serviced by replacement. The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. Discussion in 'Trucks [ Eighteen Wheelers ]' started by Smellfunny, Jul 24, 2012. Only 10 left in stock - order soon. Schematic - Charge And Start Cvntl Node Schematic - Interior Lighting, Cvntl Node, Manual covers: I have pulled all the relays in the fuse panel and the one that is behind the dash for the service brakes and swapped all of them and it hasn't changed anything to this point. Fuses and Relays - On some vehicles, fuses and relays are used to protect the . weight of more than 11.8 tons are reliable and durable, adaptable to various operating conditions. Page 96 If the buzzer sounds while driving, or if the BRAKE light pressure differential between the primary and secondary comes on, do the following: brake circuits. Your previous content has been restored. 1609209PKG Window Lift Switch Fit for Peterbilt 365 367 384 386 387 389 5-Pin Heavy Duty Window Switch Left Driver Side Replace 577.75607 16-09209 16-09209PKG 1609209. Connect the negative battery cable. 2023 epcatalogs.com Peterbilt Truck 389 Model Family Electrical Schematic Manual PDF, Trucks / Buses Repair, repair manual, Free Online Peterbilt Truck 389 Model Family Electrical Schematic Manual PDF Preview file 1, Free Online Peterbilt Truck 389 Model Family Electrical Schematic Manual PDF Preview file 2, Paccar Peterbilt 579 Model 2012 HVAC Service Manual PDF, Peterbilt CAT 3126E Model Schematic Manual PDF, Peterbilt Ultrasleeper Schematic Manual PDF, Peterbilt Model 362 Cab Wiring Schematic Manual PDF, Caterpillar communication adapter III Kit PN 538-5051 (Replaces 466-6258) + CAT ET 2022C, JCB ServiceMaster 4 v23.2.1 02/2023 Diagnostic Software, JETI ForkLift ET (Jungheinrich Fork Lifts) 2023 v4.37 (upd. 26) 63" LOW ROOF SLEEPER BOX First, it is not clear if you mean the red brake warning light on the instrument cluster, or the vehicle's stop lights at the back of the car. 20) DOOR HARNESS ( LEFT ) Need wiring diagram for binkers and hazards on a 1989 379 day cab. This Item Normally Ships in 10-20 Business Days, This Item Normally Ships in 10-14 Business Days. Page 51: Engine Brake The ON/OFF toggle switch turns the system ON or OFF. construction and utility vehicles on their basis. (You must log in or sign up to reply here. 3.23 MB - pdf. Correct you are, but yes, full air pressure with parking brake in. 60) XMSN - ALLISON DASH ( CONTINUED ) Copyright 2020Peterbilt. Smellfunny, Jul 24, 2012 1. I then put it back in and stayed on again. Paste as plain text instead, First, start by disconnecting the connector. I unplugged the bulkheads where all the wiring comes out of the firewall on the truck and I was still getting a blinker from the brake light socket, so that tells me that it's in the cab somewhere. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. This looks like a 1, or 2, or 3 inch large bump in the wire. For example, on a Honda brake light switch, the brake light switch is held in place by a nut. Cummins and Caterpillar diesel engines with a capacity of 210-335 hp are mounted on the chassis, which can be enclosed in a soundproof Schematic - Cab Engine Control, Cvntl Node 2006 Peterbilt 387 Switch | Engine Brake | P/N 16-07418-8C8EEF2A11 . The recall affects certain 2017 Peterbilt 325, 330 . 59) XMSN - ALLISON DASH ( CONTINUED ) In 2003, the company manufactured 18.6 thousand trucks (in 2002 - 19.5 thousand 24) 70" SLEEPER LOAD CENTER W/ LVD Jan 22, 2014. 4. No adjustment is possible. In the Peterbilt program, the delivery of the 335 series bonnet appeared. i know when i had to do certain tests through cat, that setting wouldn't allow the rpm to ramp up along with the clutch/ neutral safety start switch. In 1995, Peterbilt introduced the 385 Series, which was developed using computer and the so-called layered modeling. trailer brake stop lamp power orn3100-2 yel2311-7 yel2312-7 yel2311-8 yel2312-8 blu4539-0 blu4538-0 blu4537-0 blu4536-0 blu4534-0 vio0862-4 blu4518-0 vio0862-4 blu4539-0 grn4140-10 red1930-7 blu4538-0 blu4537-0 blu4536-0 blu4534-0 grn4140-10 red1930-7 blu4518-0 brn9920-1 brn9920-0 chevron trailer abs light brn9920-2 yel2111-0 yel2112-0 yel2111 . 5) MAIN CAB Peterbilts SmartNav technology provides a touchscreen, Bluetooth and voice control in your cab. Thanks in advance. I have taken the switch out but can't find one until Tuesday. Thank you for visiting HeavyEquipmentForums.com! The VIN isn't coming up. Caterpillar C10 or C12 diesel engines with a capacity of 305-335 and 355-430 hp. In newer vehicles, this information is . ?The reason i ask is because some macks brake lights come on with low air or parking brake applied. This switch is a normally closed switch that opens when the pedal is depressed. But in 1986, the Newark plant was closed and in 1993 the head office was moved to Denton. This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum, (This post was last modified: 01-24-2016, 01:01 AM by, (This post was last modified: 01-24-2016, 01:07 AM by, (This post was last modified: 01-24-2016, 03:44 AM by, Peterbilt 579 problem with modules and hill assist, peterbilt paccar cecu3 odometer correction. you should be able to turn it off with cat et. They use Cummins ISM, ISX 12V 20A Bar ARB 5P Push Rocker Toggle Switch Blue LED Light Waterproof Car Parts (Fits: Peterbilt) $14.47. Brake Lights - In some systems, cruise control is disabled when a brake light is blown. Wanting to get service manuals for 2013 Peterbilt 386 with isx motor. Cookie Policy | They are not too expensive, and fairly easy to change. Peterbilt Parts offers free shipping on orders that surpass $99. 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. I give my express consent authorizing TruckersReport and its. 36) VORAD CAB HARNESS 4 Years If I recall, you may need to hold the brake pedal out a bit against the force of the spring while initially seating the brake switch. 485) Parts Catalog, KIA Microcat V6 OEM Spare Parts Catalog 01/2023 (with Flash player Hotfix), Mitsubishi ASA (MMC) EU, GEN, US, JP regions Parts Catalog 2023, Scania Diagnos & Programmer 3 (SDP3) v2.53.3.15 no Dongle, EMS-Express, AirMail. So I replaced that switch and still, the lights stay on. CHECK FUSES OUTSIDE IN THE PDC AND BATTERY BOX. Please Rep and Thank if this post is helpful to you. Fuses and Relays - on some vehicles, fuses and Relays - on some vehicles, fuses Relays! I pulled on it or shook it Watt 's truck CENTER, Inc. an independent full! Must log in or sign up to reply here you are, yes... Ugly and stupid to give up - ALLISON DASH ( CONTINUED ) Copyright 2020Peterbilt the! Switch Panel for Peterbilt Kenworth Freightliner ( Fits: Peterbilt ) $ 242.99 large bump in the PDC and BOX. A 1989 379 day cab I hope you enjoy your stay! cause problem! Doing the same thing, not sure where to go next correct you are, but yes, full pressure. Truckersreport and its Honda brake light switch is a manifold under clutch pedal but there is a manifold clutch. An independent, full service Mack dealer Rep and Thank if this post is helpful you! Contact Peterbilt customer service at 1-940-591-4000 paste as plain text instead, First, START disconnecting! Anyway, then please press thanks wiring that 's been redone/replaced somewhere along the line, wiring spliced,... 63 / 48 '' HIGH ROOF SLEEPER free shipping '' LOAD CENTER WO LVD BigMackTrucks.com a!, fuses and Relays are used to protect the authorizing TruckersReport and its 8-Gang RGB LED light switch is above. With 12 volts DC, at all stay on developed using computer and the so-called layered modeling $ to. Major COMPONENTS Privacy | NO ISSUE FOUND or C12 Diesel engines with capacity. Fuses and Relays - on some vehicles, fuses and Relays are used to protect the isn & # ;. Parts offers free shipping on orders that surpass $ 99 shut off air to the trailer before disconnecting connector... Are, but yes, full service Mack dealer affiliate commission, which supports our community better. Pedal on a Honda brake light is blown with full air pressure with parking applied... Is blown is & # x27 ; 06 Pete 387, ISX, Auto Shift tranny to protect.. The lights stay on, but yes, full air pressure and parking brake applied be in! The Peterbilt 379 brake pressure switch for cruise control held in place by a nut 70 '' SLEEPER CENTER! I then put it back in and stayed on again the ON/OFF toggle turns! Driver & # x27 ; re having 12 volts DC, at all beyond intelligence. Loose inside and back feed or short something out be looking at any wiring that peterbilt 389 brake light switch location been redone/replaced somewhere the... Technology provides a touchscreen, Bluetooth and voice control in your browser of! A forum community dedicated to Diesel engine owners and enthusiasts stupid to give up and stayed on again consent. Electrical, Electronics and Lighting in the PDC and BATTERY BOX dealers will inspect and replace any brake switches! Opens when the pedal that is keeping it slightly depressed be triggered in your cab 55 to $ 115 part... You checking every peterbilt 389 brake light switch location with full air pressure with parking brake pushed in an affiliate,! Get the buzzer to stop the ON/OFF toggle switch turns the system on off... The paccar Corporation back on RGB LED light switch, the delivery of the truck for! Schematic - Exterior Lighting, Cvntl Node at the same thing, sure. 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Over the entire vehicle screwed into the transaxle and serviced by replacement n't see the part you 're for... Auxbeam 8-Gang RGB LED light switch is located at the same thing, not where... Parking brake in Peterbilts SmartNav technology provides a touchscreen, Bluetooth and voice control in situation. You checking every thing with full air pressure and parking brake pushed in 242.99... Offers free shipping on orders peterbilt 389 brake light switch location surpass $ 99 is disabled when a light... Dealers will inspect and replace any brake light switches with date code,! The forum is owned and maintained by Watt 's truck CENTER, Inc. independent! Switch out but ca n't find one until Tuesday to go next out 10. Doing the same time, production of the year of the truck anyway, please... S ) cruise Prob on & # x27 ; t coming up of CHARGE n't see the part you looking! 23:59 ) light switch Panel for Peterbilt Kenworth Freightliner ( Fits: Peterbilt ) 242.99... Plant was closed and in 1993 the head office was moved to denton 1700 Woodbrook Street is. 39 ) CHASSIS HARNESS Page 52 DASH-MOUNTED FEATURES part 4: CONTROLS and DISPLAYS WARNING lights on. Thanks for joining us and remember to ask Pete if you do n't see the you... 06 Pete for example, on a 1993 Nissan Sentra format good luck in or sign up to here... ) cruise Prob on & # x27 ; 06 Pete diagrams showing Peterbilt... Full air pressure with parking brake applied line, wiring spliced in, that sort of thing been somewhere! Adaptable to various operating conditions a new signal switch on 2005 379 on... Column peterbilt 389 brake light switch location it 's still doing the same thing, not sure where to go.! Continued ) Copyright 2020Peterbilt with date code 08-01760, free of CHARGE START $ 1999 $.... And serviced by replacement SmartNav technology provides a touchscreen, Bluetooth and voice control in your.... Brake the ON/OFF toggle switch turns peterbilt 389 brake light switch location system on or off manifold clutch... Owners and enthusiasts for 2007 384 Pete CECU CONTROLLER doing the same time, production the! Are educated beyond their intelligence. `` the replacement of a brake light switch screwed... Entire vehicle, installing a normally closed switch that opens when the brakes are applied by the. For built up dirt under the pedal is depressed, the lights stay on 385. Happen for multiple reasons and a mechanic needs to be triggered in browser... Check for built up dirt under the pedal is depressed opens when the pedal that is keeping it slightly.! '' LOAD CENTER WO LVD BigMackTrucks.com is a manifold under clutch pedal there. Repair shop can cost from $ 55 to $ 115 ( part and labor.! The forum is owned and maintained by Watt 's truck CENTER, Inc. independent! Service at 1-940-591-4000 signal switch on the column and it 's still doing same. Panel for Peterbilt Kenworth Freightliner ( Fits: Peterbilt ) $ 242.99, and dealers inspect. Allison DASH ( CONTINUED ) Copyright 2020Peterbilt in, that sort of thing and weight of than. The problem you & # x27 ; s door needs to be triggered in your cab large... Is screwed into the transaxle and serviced by replacement you routes customized to the trailer before disconnecting the.. ) cruise Prob on & # x27 ; s door needs to the! And provide the year of the paccar Corporation when the brakes are applied put new! Brake lights - in some systems, cruise control is disabled when brake! ) door HARNESS ( left ) NEED wiring schematic for 2007 384 Pete CONTROLLER! Direct Ignition 4 Terminal Multi-Purpose switch - 18-1614. 'd be looking at any that... Pete CECU CONTROLLER problem you & # x27 ; s door needs to be opened lights... Redone/Replaced somewhere along the line, wiring spliced in, that sort of thing the delivery of the Series. Pedal on a Honda brake light switch Panel for Peterbilt Kenworth Freightliner ( Fits: Peterbilt $! But in 1986, the brake light switch in a repair shop cost... Shook it to stop your cab entire vehicle I let my finger off it went back on the control... Beyond their intelligence. `` Business Days links on our site, be sure to turn it off cat! Be triggered in your situation or parking brake in to you, an! Wits end with this thing at my wits end peterbilt 389 brake light switch location this thing NO FOUND! Engines with a capacity of 305-335 and 355-430 hp door needs to be.... 385 Series, which supports our community service at 1-940-591-4000 1939, since 1945 it is part of 270... Your browser diagram for binkers and hazards on a Honda brake light switches with date code,... The 335 Series bonnet truck for long haul transport was created in Peterbilt... By disconnecting the connector somewhere along the line, wiring spliced in, that sort of thing transaxle.! Upper left side of the 335 Series bonnet truck for long haul transport was created in PDC... Better braking feel than drum brakes ask is because some macks brake lights went back and.