Peterbilt 379 flasher relay location

Peterbilt 579 2018. Checked fuses. checked connections. all seams to be good. Tied two - Answered by a verified Technician ... I drive a 2006 Peterbilt 379. My left side low beam headlight does not work. The headlight is good. I have tested the wire all the way back to the plug under the bumper near the front tire. ... No power from headlight ...

ellyse perry sophie molineux relationship. 10 Apr 2023 . peterbilt 579 kill switch location2010 Peterbilt 384, 48" sleeper. The Load light fuse and relay were found under the sleeper bed, I didn't find anything on the fuse box next to the clutch, or the one behind the dash. Please help! I know I'm missing somethingThe location of the pressure switch (P/N 12-27919-000) is shown on installation drawing D12-27200-003 illustrated on page 5. Ref. Fig. 5. Wiring to the pressure switch is shown on schematic G06-92193-001 on page 2. Ref. wire code 221 that goes from the pressure switch to the SSAM. Ref. wire code GND-C that goes from the pressure switch to ground.Sorry to hear you're having troubles with your speedometer. If you are hundred percent certain that the gauge is good and you have a new sensor adjusted properly, thoroughly inspect your wiring and connector pins between your speed sensor and your engine ECM as well as your engine ECM and your instrument cluster for any corrosion or damage as well as any shorts for open circuits.FLASHER SHUTDOWN RELAY GRD 242 145 239 305 MAIN ACC RELAY 239 SPARE CIRCUTS E1 E2 230 226 226 226 230 HORN CIRCUIT BREAKER PANEL STOP TAIL MIR HEATSPARE #3 HEAT A/C SLPR SPARE SW WIPER 8 4 IGN ... Model 379 Family Wiring (before 7/94)(2 of 2) SK19517 M 02. Title: Model 379 Family Wiring (before 7/94) Author: CAD Subject: Model 379 Family Wiring ...Fuse box location on 2006 379X Discussion in 'Peterbilt Forum' started by Jerms1973 , Feb 24, 2016. Feb ... You also have relays behind the speedo/tach cluster. The cover of the panel by the clutch pedal shows you what's behind the speedo. I have never seen a 379 with a fuse panel under the hood. All of our newer 388/389's do, but not the …159 satisfied customers. 2013 peterbilt 386 with no low beam headlight on one side. 2013 peterbilt 386 with no low beam headlight on one side and no high beam on the other side …. Nich1019. Diesel Technician. Vocational, Technical or Tra... 159 satisfied customers. no dash lights but gauges work.

The location of the pressure switch (P/N 12-27919-000) is shown on installation drawing D12-27200-003 illustrated on page 5. Ref. Fig. 5. Wiring to the pressure switch is shown on schematic G06-92193-001 on page 2. Ref. wire code 221 that goes from the pressure switch to the SSAM. Ref. wire code GND-C that goes from the pressure switch to ground.Turn Signal relay location on a 2013 Petrbilt 386 Discussion in 'Heavy ... a 2013 Peterbilt 386 with a PACCAR motor and an Eaton 13 speed trans and 400K on the clock View attachment 183410 View attachment 183411 View attachment 183402 I checked and ... Pete 379 without air suspension... ed4207 posted Oct 25, 2023 at 10:40 PM. Do ...Peterbilt 379 dash lights. About a 2 weeks ago all my instrument panel lights quit working. I originally thought it was my dimmer switch that had gone bad, as the fuse/circuit breaker is fine, and there is power going to the dimmer switch, but no lights at all on the dash. All my other interior lights are working fine...ВИЖТЕ СТРАНИЦАТА НИ БУКМЕЙКЪР ТУК! Украинският президент Володимир Зеленски реагира гневно на информациите от последните дни, че Международният олимпийски комитет планира да допусне руски и беларуски състезатели ...Where is blinker flasher on 1997 peterbuilt 379? Updated: 12/14/2022. Wiki User. ∙ 12y ago. Add an answer. Want this question answered? Be notified when an answer is posted. 📣 Request Answer.Dec 21, 2018 · Check the Connections. In order to replace your bulbs, you had to access the back of the turn signal housings. Also in this location, you'll find the plugs that connect your tail lights and front turn signals to the car's electrical system. Unplug these and plug them back in one at a time. Sometimes just the act of unplugging and replugging can ...

Where is the turn signal flasher on a peterbilt 389? ... Were is the clutch safety switch located on a 389 peterbilt? ... etc. will affect the tare weight. For a tractor unit (such as the 379, 389 ...Peterbilt 379 Light Relays, Sensors & Control Modules. ... Truck-Lite® Signal-Stat Series Flasher Module (536) 0 # mpn4684506138. Universal Signal-Stat Series Flasher Module by Truck-Lite®. 1 Piece. 12V DC. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology ...Check the turn signal fuse/relay located in the fuse box next to the clutch pedal. Remove the access panel and it is marked. If the fuse is good Check the switch located on the steering column ...first check hvac fuse and blower motor fuse and relay.if both check out okay problem could be hvac control switch or module or the blower motor is bad.to keep from spending alot of money.the hvac control module control switch very expensive.it could cost $300.00 to $400.00 dollars.what i would do is remove blower motor in the left rear trim ...My peterbilt 379 blows the ignition circuit breaker in the cab when you try to crank the engine over checked the ground connections and positive connections and everything is tight and looks clean ... No power to the main accessary relay. Truck is a 2015 model 320 cab over. If I jump power to the acc relay everything works.

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About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...The turn signal flasher relay switch, on a Peterbilt 379, is located under the dashboard. The relay simply plugs in. What year was the last peterbilt 379 made? 2007. Trending Questions .2006 379 peterbilt left. Blinker and flasher work but the right side does nothing. Anyone have an idea what the problem is Last edited: Aug 16, 2017. Rowell trucking, Aug 16, 2017. Rowell trucking, Aug 16, 2017 #1 + …Peterbilt 357 Light Relays, Sensors & Control Modules. Sorting. Sort by. 1 - 10 of 10 results. Diode Dynamics® Inline Resistor. 0 # sp234181. Inline Resistor by Diode Dynamics®. ... Universal Signal-Stat Series Flasher Module by Truck-Lite®. 1 Piece. 12V DC. This product is made of high-quality materials to serve you for years to come.Peterbilt 357 Light Relays, Sensors & Control Modules. Sorting. Sort by. 1 - 10 of 10 results. Diode Dynamics® Inline Resistor. 0 # sp234181. Inline Resistor by Diode Dynamics®. ... Universal Signal-Stat Series Flasher Module by Truck-Lite®. 1 Piece. 12V DC. This product is made of high-quality materials to serve you for years to come.notes: 1) connector reference refer to sheet abbreviation and zone locations ( example: "( mc-1, h16 )" refers to main cab harness, zone h16 ). see table of content for sheet abbreviation. 1-1 a switch schematic - 379 model family electrical p94 …

May 10, 2013 · Fuses was blown so put a new one it and they worked a time or two and then stopped. Checked fuse and it was good. They work randomly. I will try to replace the flasher relay. Any idea where it is located on this year/model truck. I pulled the dash off and didn't look like anything was behind it. Wondering if it is in the fuse box? Nov 7, 2018. 0. I have a 2009 Pete 389 and can somebody help me find the ignition relay location. I have looked all over and Peterbilt was no help when I asked them. Vin is 778011. It does NOT have a relay/fuse box by motor/firewall. I have looked down by clutch pedal and didn't see it. Along with behind the dash.Feb 10, 2014. San Bernardino, CA. 0. Just a thought, Pull the left panel on your dash, should have inside of it a large relay. More than likely round. Check it out and make sure none of the wires are making contact with anything else. Turn your key on when investigating it and see if anything arc's.Each diagram consists of symbols, titles and line drawings to help identify and locate the different components of the system. In the diagram of a 2004 Peterbilt 379, the ignition switch is typically located on the entry panel or just underneath the hood. This will allow access to the power supply and gauges.relay electric horn hshp purple lslp bron / blk ocp or neutral start engine harness engine harness hood harness ... 379 model family electrical p94-6016 a 03. a39-0, orn / blu 8-0, brn 5-0, orn / blk 239-3, blk ... turn flasher turn stop lamp turn signal switch "b" panel ( bp, g14 ) aux e1 e2 pressure switchxmsn drl moduleWe're is abs relay located on a model 379 2004 Peterbilt. hope that will help. I have a 1998 379 Peterbilt I don't have any brake lights, no turn signals, no 4 ways, doesn't even light up on the dash. Can't find any fuses blown. I'd suggest that you use a voltmeter to check if there is power on the positive (supply) side of the fuse panel, and ...Mar 12, 2010. Austin Texas. 0. 2000 Peterbilt 379. No power to AC compressor. Power is at switch on dashboard, but can't trace power past switch. What wires from switch take power to the compressor. Pressure switches appear to be closed.check your owners manual for the location of the flasher. Read full answer. Aug 10, 2017 • Toyota Cars & Trucks. 0 helpful. 1 answer. ... Where is the flasher relay on a 2007 379 Peterbilt. Read full answer. Be the first to answer Sep 14, 2015 • Cars & Trucks. 0 helpful.

Peterbilt 379 Service Manual PDF. Peterbilt 379 - North American 6×4 long haul tractors produced between 1987 and 2007. Peterbilt 379 is a classic model of a truck tractor, which has become the primary basis for the development of subsequent series of the brand. The Peterbilt 379 series is implemented on the upgraded chassis of the Kenworth ...

Sep 10, 2015 · Subject: Peterbilt 379 flashers/turn signals not working. NE IL. Spent a few hours today trying to figure out why the flashers or turn signals on the semi suddenly don't light. Put in a new flasher and fuse. When you flip the signal handle the flasher clicks a few times, like it normally does, and then gradually dies out. Jan 7, 2016 · The ECM power relay is the relay responsible for sending power to the ECM. If the relay fails, or has any issues, it can cause the vehicle to have all sorts of problems, and may even render it undriveable. Usually a problem with the ECM power relay will produce a few symptoms that can alert the driver of a problem that should be serviced. 1. Peterbilt 379 Light Relays, Sensors & Control Modules. Sorting. ... Truck-Lite® Signal-Stat Series Flasher Module (536) 0 # mpn4684506138.Switching out the sensor .I have a 2007 Peterbilt 379 and some of the gauges are not. I have a 2007 Peterbilt 379 and some of the gauges are not working. most importantly the speedometer and odometer. the odometer is … read more. Nich1019. Diesel Technician. Vocational, Technical or Tra... 159 satisfied customers. Acc sw fuse keep blowing as if something is making ...The turn signal flasher relay switch, on a Peterbilt 379, is located under the dashboard. The relay simply plugs in. What year was the last peterbilt 379 made? 2007.Search our large inventory of New/Used Peterbilt Fuse Boxes for sale. Enjoy our hassle-free online checkout or call to speak to an expert. ... Peterbilt 379 Fuse Box - Used. USED - Mounts on driver side floorboard between door & firewall, Includes dash wiring harness ... Inc - Spencer Our Spencer location has over forty acres of part and ...I have a 2007 Sterling ACTerra vin# ***** and I can't find the location of the A/C Compressor Clutch Relay to test the voltage. ... I have a 2007 peterbilt 379 when I turn lights on hi and low both on can not switch to low only then 3 seconds in high goes out and will not ... Have a 06kenworth w900 can't find the flasher relay right side ...Find many great new & used options and get the best deals for flasher LED lights 12V ground 2 terminal for Peterbilt Kenworth Freightliner at the best online prices at eBay! Free shipping for many products!Yes I said Peterbilt 386, I meant Peterbilt 387 but it might be the same for a 386.

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I've a peterbilt 379 that dont have signal light r flasher working on right side. And brake light dont work on right. Good on left and marker light and tail light work on both side1999-2001 Peterbilt 379 Cab Assembly - For Parts Please Call. 1986-2000 Peterbilt 378 GAUGE PANEL Dash Panel - Used $302.00 Add To Cart. 1987-2000 Peterbilt 379 Dash Assembly - Used ... Inc - Spencer Our Spencer location has over forty acres of part and vehicle storage with over 100,000 sq. feet of storage under its roof. It has a mechanical ...Apr 13, 2023 · hello need fuse box diagram with location and function of all fuses and relays working in a 2000 379 peterbilt vin is 551224 … read more. Nich1019. Cummins/Caterpillar Techni... Vocational, Technical or Tra... 6,296 satisfied customers. I have a 2005 379 peterbilt my flashers have quit working. 8-Wire Harness with Relay; Covered by a 1-Year Warranty ... 17 Wire Switch 16-03827 TL10900 *Please Verify OEM Number Before Purchase Multifunction Switch With Hardware Fits Peterbilt 377 (1987-1994) 378 379 (1987-1998)... Add to Cart. Peterbilt 320 Multifunction Switch 16-04415 ... 352-789-6701 Store Location 3030 W Silver Springs Blvd, Ocala ...Filters 0 dealers found within 50 miles of your location. Filter By Dealer Type. Full Service. Parts & Service. Parts Only. TRP. Apply Filters Reset. Start searching to find a dealer near you. ... By submitting your contact details, you agree to receive marketing emails and commercial communications from Peterbilt. We do not share your data.VOLVO FM, FH Version 2 – Fuses box diagram and relays. See also: Volvo Truck Workshop Manual free download. FM9, FM12, FH12, FH16, NH12 VERSION 2. FM, FH CHID A610059– FM, FH CHID B411901– CHID B486535- CHID E735697- …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...387 Pete Flasher relay location? Discussion in 'Trucks [ Eighteen Wheelers ]' started by Elroythekid, Mar 3, 2012. Mar 3, 2012 #1. Elroythekid Road Train Member. 2,576 5,541. Sep 9, 2010 Halifax Nova Scotia 0. My signals won't flash so I assume its the relay, its not marked in the fuse box and I can't see it behind the glove box? ...We have a 1998 378 pete with a cat 3406E that is having an issue with the engine fan. it does not turn on when the engine gets hot. the driver can turn the fan on with the switch on the dash and thats what he has been doing to keep it from overheating. i found a peterbilt wiring diagram P94-6016 online for the truck but i dont think its the ... ….

Trying to learn more about the truck via the ECM. The engine came from Caterpillar rated at 500 HP and it appears that someone rerated it to 550 HP. Maybe ...The 1993 Peterbilt 379 wiring diagram is laid out in the traditional format that is easy to read and navigate. The diagram depicts the entire system, including all its components, connectors, and cables. This includes batteries, switches, fans, lights, and sensors. All connections are clearly identified by their type and location so that they ...2014 peterbilt 389, no directionals or brake lights, all. 2014 peterbilt 389, no directionals or brake lights, all fuses, grounds ok, think its the CECU … read more. Nich1019. Diesel Technician. Vocational, Technical or Tra... 165 satisfied customers. I have a 2018 peterbilt 389 installed a height control.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...What other problem did you have before the signals quit? Something that stopped all functions from the signals has to be either a feed or ground IF the flasher is good. Signals feed. Hot wire from the flasher 1 and it should blink underload, but not with a test light or DVM. In other words using a test light the flasher wire should be powered ...379 95 pete accessory relay behind the dash Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Truckertrucker39, Sep 13, 2018. Sep 13, 2018 #1. Truckertrucker39 Bobtail Member. 14 0. Sep 23, 2016 0. battery gauge and speed odometer,and battery gauge were not working.saw a post from a few years ago about checking the accessory ...If they all stopped working at the same time then it is probably a fuse or possibly 2. Check your fuse panels in the dash and under the hood. The dash lights and gauges should be a fuse labeled instrument cluster or guages, it is probably blown. The other fuse to look for will be the tail light fuse. This is where I would begin.Oct 20, 2022 · The turn signal flasher relay on a 2005 Ford F250 is located under the dash near the brake pedal. It controls the pulsation of the turn signals. Where is the flasher relay on 2005 ford explorer? 1 Answer. I have a 1998 379 Peterbilt I don't have any brake lights, no turn signals, no 4 ways, doesn't even light up on the dash. Can't find any fuses blown. Posted by Anonymous on Jan 17, 2016. Stephen Jan 17, 2016. Hi Anonymous, sounds like you lost power to those circuits.Search our large inventory of New/Used Peterbilt Fuse Boxes for sale. Enjoy our hassle-free online checkout or call to speak to an expert. ... Peterbilt 379 Fuse Box - Used. USED - Mounts on driver side floorboard between door & firewall, Includes dash wiring harness ... Inc - Spencer Our Spencer location has over forty acres of part and ... Peterbilt 379 flasher relay location, 31. Peterbilt 379 Fuse Panel Diagram is an important part of any Peterbilt truck owner’s toolbox. Knowing the layout of the fuse panel and where it is located can help drivers diagnose electrical issues more quickly. Without the diagram, a driver may not know which fuse to check for a certain component. It can also help locate any short ..., 7,987. Jul 12, 2017. 0. Remove the S or crank signal wire from the small terminal on the starter solenoid. Hook up the battery's and check for 12 VDC at the wire while disconnected. If there is power to the wire either the starter relay is stuck or you have a short to power on the ignition circuit. The other possiblity is you have a main power ..., Switching out the sensor ., Schematic - 379 Model Family Electrical P94-6023 C 05 27) J1939 CABLE SHIELD 28) TWISTED PAIR, 2005 250 Super Duty Crew. White and Grey. ARP studs, EGR Delete, and SCT from Vivian. CCV re-route, and 4" Magnaflow turbo back. Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. 2003 Pete EXHD., 1994 peterbilt 379, vin 347490, stop lights do not work, have a new switch, have the two kick panels out from behind the brake pedal,the new switch is gold with a black top, on the truck behind the br … read more, 1. 0. Mar 23, 2015. Leamington On. 0. I got a question may sound dumb though. Does anybody know where the sleeper fuse panel is on a 70 inch sleeper 379 it's a 2006. I know in my 63 inch it's under the bunk on the drivers side but, I can't seem to find it on a friends 70 inch. TheBaus, Jul 25, 2016., 1999 Peterbilt 379. Have no turn signals or hazards. The wiring from the truck harness to the switch melted so we replaced the switch and pig tail but still have nothing working from the switch. ... Good morning sirI have this kw with Paccar engine I need all lights wiring diagrams and fuses and relay locations please ... The turn signals quit ..., I have a 2007 Sterling ACTerra vin# ***** and I can't find the location of the A/C Compressor Clutch Relay to test the voltage. ... I have a 2007 peterbilt 379 when I turn lights on hi and low both on can not switch to low only then 3 seconds in high goes out and will not ... Have a 06kenworth w900 can't find the flasher relay right side ..., Installing a LED Flasher on the Peterbilt Lakester. Operators the LED lights with no problems. Working good, relay electric horn hshp purple lslp bron / blk ocp or neutral start engine harness engine harness hood harness ... 379 model family electrical p94-6016 a 03. a39-0, orn / blu 8-0, …, Nov 30, 2017 · Nov 30, 2017. #1. I have a 98 Peterbilt 379. Left turn signal doesn't work, right one works fine and the 4ways work. LED everything for lights. I've checked grounds and tried 2 different flashers and put in a new turn signal switch, have a wiring diagram, following the diagram and according to the diagram there is a left and right relay after ... , Ownership, maintenance and mechanical issues forum for all Peterbilt models, including 210, 220, 320, 325, 330, 337, 348, 365, 367, 386 Hybrid, 386, 387, 388, 389, 379, IIRC I used a 1/4 socket with an extension to get to it. The fuse block has hook on it that you'll need to maneuver to get it loose enough to flip over to get to the back. I suggest being careful because there are a lot of electrical connections that could be knocked loose. Unplug old relay, plug in new relay., 1996 Peterbilt 379 Vin 1XP-5DB8X-8-TN368732 Could you please get us the Engine cooing fan schematic for the auto and manual on off control … read more. Nich1019. Cummins/Caterpillar Techni... Vocational, Technical or Tra... 6,278 satisfied customers. 1999 379 Pete both right and left running lights on the., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Condenser Fan Relay Cooling Fan Relay Rear Window Defogger Not used Not used EPS Air Pump 20 A 70 A 60 A 20 A 15 A 10 A 20 A 15 A 20 A 20 A 30 A 100 A 40 A Fuses 244 Taking Careof theUnexpected (AUXILIARY FUSE BOX) UNDER-HOOD FUSE BOXES (MAIN FUSE BOX) 01/08/21 20:42:59 31S2A620_247. Created Date:, If after all of that, the engine will not turn over and only clicks, jump the Starter Relay with 1 cable from a jumper cable set from the Positive Battery cable post to the Starter Relay on the Starter wire connector. Make sure the truck is in Park or Neutral. If the Starter jumper cable sparks and the Starter does not turn, the Starter is bad., May 10, 2013 · Fuses was blown so put a new one it and they worked a time or two and then stopped. Checked fuse and it was good. They work randomly. I will try to replace the flasher relay. Any idea where it is located on this year/model truck. I pulled the dash off and didn't look like anything was behind it. Wondering if it is in the fuse box? , Being a 2019 truck I don't believe there is a flasher relay. Can you provide the last 6 of your VIN? I'll pull some diagrams for you. Ask Your Own Medium and Heavy Trucks Question. Customer reply replied 2 years ago. 244226, I didn't see one anywhere either. ... 1999 Peterbilt 379. Have no turn signals or hazards., If you're in search of Peterbilt 379 Relays, Switches & Sensors aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 41 Relays, Switches & Sensors parts from top brands with prices ranging from $36.99 to $241.99. Beyond great prices, we stock trusted brands manufacturing all types of Relays, Switches & Sensors ..., Peterbilt Forum > Pete 379 Electrical Issues Discussion in 'Peterbilt Forum' started by Drpeterbilt, Jun 15, 2012. Jun 15, 2012 #1. Drpeterbilt Bobtail Member. 3 0. Jun 15, 2012 0. Hello , New to the site and have some electrical questions on a 379 Pete. Have issues with the passenger headlight..on lowbeam there is no problems, but when you hit ..., Apr 9, 2008 · Got a weird one, we have a blinker issue. Neither right nor left blinker, nor hazards, are working. It is not a fuse issue, checked both flasher, and blinker fuses. SOMETIMES they do work, majority of time they do not. Sometimes they flash ONCE then stop flashing. No lights on dash when they are not working. No sound (our blinkers beeep when ... , Here are the step-by-step instructions on how to find the starter relay in a Peterbilt 389: Open the hood and locate the battery box. The starter relay is often located near the battery box, but it can also be located on the driver's side frame rail. Inspect the area around the battery box and the driver's side frame rail for a small ..., 1999 379 peterbilt. after the truck runs a while while stop ang go traffic all the warning lights start flashing and going nuts. i took left dash panel apart as a relay was buzzing behind it,and what … read more, Peterbilt 337 2017 Pdf User Manuals. View online or download Peterbilt 337 2017 Operator's Manual. Sign In Upload. ... Location of Fuel Shut-Off Valves. 319. Specification. 319. Fuel Filters. 319. Introduction. 320. ... 379. Advertisement. Advertisement. Related Products., Peterbilt Reverse Light Switch (Pollak) Rating * Name Email * Review Subject * Comments * You May Also Like... Quick view. Paccar | sku: BA29100. Peterbilt Reverse Light Switch $9.05. Add to Cart. Quick view. Pollak | sku: 21-467. Reverse Light Switch Freightliner/Kenworth. $18.79. false. Quick view. PAI | sku: MSW-4396 ..., Its a 2000, The only thing I could get some Peterbilt is a 379 Model Family Electrical Schematic and a 379 wiring schematic. It covers a lot of options cummins engine too. This has a Cat C13 In it. I can't even locate the wire coming off the A/C Compressor in these schematic. Its a Black wire with 239-3 on it then a light green w/white stripe wire., give me a like 👍 good luck, Truck is a 2007. No right turn signal. I don't have a wiring diagram. I cannot find a flasher brick anywhere.the flasher actually seems to be in the instrument cluster. There are 9 relays behind and below the cluster but cant figure out what they are for . When the cluster is plugged in the left turns and left hazards work fine., The 2005 Ford F1 50 flasher relay switch is located below the dashboard on the drivers side of the passenger compartment.. CB12100 Starter Relay Switch for Peterbilt Starter Relay Switch CB12100, CB1210 for Peterbilt Models 330, 340, 357, 375, 377, 378, 386, 389 2 Prong, Feb 22, 2013 · One if those larger wires should be hot., The Main Accessory Relay in the dash is where I'd start. It's on the left side usually above the fuse panel in the key switch area. It is a large 75 amp relay, part # 16-03405. ... I have a 2002 Peterbilt 379. Truck will start and run with no problem. I have no power to the ACC side of the truck. I have not heat, wipers, power mirror, ect., The Peterbilt Interior & Effect Sound Pack (previously known as the 3XX Interior & Effects Pack) is the perfect companion for your Peterbilt truck and one of my Sound & Engine Packs.. This pack adds highly detailed and authentic interior sounds such as parking brakes, windows, wipers, switches etc and effect sound such as air brakes, horns, gearbox clunks and reverse beepers all recorded from ...