Peterbilt starter relay location

Starter Relay Switch fits Peterbilt 330, 340, 357, 375, 377, 378, 386, 389. SKU: US84-7501 ... Buy it at our Miami location. Please select a delivery method. In Stock ...

The starter interrupt relay prevents the starter motor from receiving power, thus preventing the engine from starting, unless the proper key code is used. This helps keep your truck secure and efficient by allowing only authorized personnel to start the engine. The starter interrupt relay works by receiving a signal from the key-fob or key …Look on your starter ground ,should be the same color as the extra wires on starter ground stud which is on opposite side of where starter goes into engine, so on end of starter. Sometimes they call the relay starter solenoid but take your meter and put on ohms and check both wires to ground the one that has 3ohms would be ground.In many cases an intermittent starting problem is linked to a bad wire connection that may become dirty due to exposure under the hood. 4. Clicking sound coming from the starter. This symptom is common when your battery is low on amps, but is also an indicator that your starter relay is not sending a full signal.Wiring Diagrams. This page uses frames, but your browser doesn't support them.Gasoline 1997-1998: Automatic Shut Down Relay, Radiator Fan Relay, Fuel Pump Relay, Air Conditioner Compressor Clutch Relay, Back-Up Lamp (Back-Up Lamp Switch (M/T), Transmission Range Sensor (A/T)), Transmission Control Module, Duty Cycle EVAP/Purge Solenoid, EVAP Leak Detection Pump, Daytime Running Lamp Module, Torque …Mar 27, 2021 · You'll have to purchase the yellow bypass relay. For some reason they engineered the interrupt relay to disable the starter when the batteries are low. But in reality it just causes issues and disables the starter when the batteries are absolutely fine sometimes. Call a Peterbilt or Kenworth dealer to ask for the yellow bypass relay.

If you can jump the big power wire to the little solenoid wire at the starter, and it starts then the small wire is not getting 12 v from the solenoid, because when you jump it at the starter all you are doing is giving the little wire 12v from the big wire with your tool. so back at the push button, check the power side of the push button, does it have 12v, if it doesnt …44 Peterbilt Starter Relay Wiring Diagram – Wiring Diagram Source Online. Peterbilt 379 Complete Vehicle Electrical Wiring Diagrams: Includes following ...Model 387 Cummins ISX. Model 379 Cummins ISX. Model 379 Family Heater/Air Conditioner. Model 379 Complete Built Before April 05 (41-pages) Peterbilt Air Suspension Ride Heights. Peterbilt Schematic Before 7/94. Ultrasleeper. Missouri Tax Exemption Form. 387 Main Cab Harness 16-10169 For Agee :)1999 peterbilt 379 with ... it runs fine but if you turn it off it wont restart the starter was bad I replaced it and the ig. fuse and the engine relay,starter ...In many cases an intermittent starting problem is linked to a bad wire connection that may become dirty due to exposure under the hood. 4. Clicking sound coming from the starter. This symptom is common when your battery is low on amps, but is also an indicator that your starter relay is not sending a full signal.ECO start/stop function: Front SAM control unit with fuse and relay module: 100: 157: Valid for model 204.902/982/984 without ECO start/stop function: Electrohydraulic power steering: 100: ECO start/stop: Spare: 158: without ECO start/stop: Blower regulator: 50: ECO start/stop: Rear SAM control unit with fuse and relay module: 150: 159E-Fan Relay (Electric Fan 1 Motor (Single-Stage Blower), 2-Stage Blower Switching Unit (Two-Stage Blower)), Steering Control Unit - Fan Relay (2003-2008) 9: 20: WiperMotor Fast/Slow Relay, Wiper Motor On/Off Relay, General Module Control Unit: 10: 15: Front Fog Lights Relay (General Module Control Unit, Left Fog Light, Right Fog Light, Switch ...Starfound Industrial Sdn Bhd - DOLD Relay Module, Switch, Monitor & Starter Electrical (Sensor, Switch, Relay, Controller, Actuator, Module) Supplier, Suppliers ...

ECO start/stop function: Front SAM control unit with fuse and relay module: 100: 157: Valid for model 204.902/982/984 without ECO start/stop function: Electrohydraulic power steering: 100: ECO start/stop: Spare: 158: without ECO start/stop: Blower regulator: 50: ECO start/stop: Rear SAM control unit with fuse and relay module: 150: 159Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 [email protected]. GET A QUOTE. Common signs include the wiper blades only working on one speed or a different speed than you selected, not working at all, and making humming noises.Dec 7, 2015 · 5 12-09-2015, 07:10 PM. You should also have a relay for the starter interrupt. The relay is what powers the solenoid. The purpose of the relay is to keep the starter from engaging for a few possible reasons: When the engine is already running, clutch switch, neutral safety switch, etc. 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.Engine Starter Relay Open Circuit Table 1. SPN 677/FMI 5 Description This fault sets when then MCM detects that there is an open on the Engine Starter Relay circuit. Monitored Parameter Engine starter relay Typical Enabling Conditions Key On Monitor Sequence None Execution Frequency Continuous when enabling conditions met Typical Duration 2 Seconds

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Kenworth TrucksKenworth T Fuse Box Location electricaldiagrams. Peterbilt Door Mirror. You could get a relay and and have the wire thats on the solenoid now control the relay to engage solenoid on starter. Tractor trucks featuring a sleek aluminum cab include the Peterbilt and In the Peterbilt program, the delivery of the series bonnet appeared.HONDA CRV CR-V ENGINE STARTER RELAY LOCATION, STARTER NOT WORKING 2012 2013 2014 2015 2016If you have Honda CRV CR-V and you want to see where the …Typically, the starter relay is located in the engine compartment, near the battery and starter. However, the exact location may vary depending on the specific model and year of your Peterbilt 379. Troubleshooting the Starter Relay in the Wiring Diagramenable relay Run to start signal from ignition switch Run to starter solenoid 26 32 4 30 87 86 85 Vehicle Harness 38-way Connector All OEM responsible wiring shown is "typical". Consult specific application. (30, 87) = Switched ignition (26-87) = Latch into the ECU (4-85) = -12 volt relay source (32-86) = +12 volt relay source Trans ECU Legend

4,112 Location Mo Dec 17, 2019 #1 The driver said it some times he would have to turn the key several times before the starter would work. The dealer shop said …Locate the ECM (Electronic Control Module) on the passenger side of the truck. The starter relay is typically located in front of the ECM. Look for a blue or black box with wires connected to it. This is the starter relay. Using a test light or multimeter, test the wires going to the relay to ensure it is the correct component.Oct 22, 2013 · Electrical System:Starter Assembly:Relay Summary: Cummins: the relays and fuses of aftertreatment systems, in wiring harness, is potentially not adequately secured via original equipment manufacture (oem) and have wire rubbing points, relay damage or rub points. More Peterbilt 386 Starter Relay Service Bulletins of Other Model Years. 2013 Brand, Make, Model, Description, Qty, Fitting Position, Fitting Notes, Category. HINO, BUS, AD2J [BD190] 08/1996-11/1999, STARTER RELAY, 1, View.SH 14, REFDES S112-1, NODE 1. SH 40, REFDES J15-3, NODE 12. Schematic - 379 Model Family Electrical. View and Download Peterbilt 389 instruction manual online.The back of the ignition switch has four terminals, which are the Battery, Start, Ignition and Accessory. The procedure for wiring an ignition switch is as follows: Step 3: Connect the starter relay wireThe starter relay wire needs to be co...Mar 11, 2017 · Ok Now remember I have: a 2013 Peterbilt 386 with a PACCAR motor and an Eaton 13 speed trans and 400K on the clock I checked and cleaned every single fuse, checked every single relay, Then moved to the inside of the cab and removed the kick panel and checked all the fuses....all were good. I tried to reset the code by cycling on -off with the key. Relays: LT/PWR/SEAT: Driver Side Power Seat Relay: RT/PWR/SEAT: Passenger Side Power Seat Relay: PWR/WNDW: Power Windows Relay: PWR/COLUMN: Power Steering Column Relay: L/GATE: Liftgate Relay: LCK: Power Lock Relay: REAR/WSW: Rear Window Washer Relay: UNLCK: Power Unlock Relay: DRL/LO BEAM: Daytime Running …Peterbilt Starter Relay Wiring Diagram from websiteschematics.bhcase.it. Print the cabling diagram off in addition to use highlighters to trace the routine. When you use your finger or stick to the circuit with your eyes, it is easy to mistrace the circuit. One trick that We use is to print out a similar wiring plan off twice.The Kia Spectra has three engine options--the 1.6-liter four-cylinder, the 1.8-liter four-cylinder and the 2.0-liter four-cylinder engines. Although the location of the starter is underneath the Spectra below the intake manifold on the bell...1992-1993: Turn lamp, License lamps, Anti-theft module, Warning chime, Flash to pass, Trailer running lamp relay, Trailer b/u lamp relay, running lamps, Rear anti-lock brakes (1993) 5: 15: 1993: Air bag module, Del module, Aux. battery relay, Starting system, Transmission control switch, Backup lamps, Turn lamps: 6: 15

If you can jump the big power wire to the little solenoid wire at the starter, and it starts then the small wire is not getting 12 v from the solenoid, because when you jump it at the starter all you are doing is giving the little wire 12v from the big wire with your tool. so back at the push button, check the power side of the push button, does it have 12v, if it doesnt problem between it and ...

Clutch Switch works, according to instrument information on DDDl. thanks a lot guys! Starter relay located at the Sam Cabin behind the glove compartment, take 4 screws out to access. The clutch switch sends an input to the Sam cabin, the sam sends the signal to the start enable relay located on the fender well, "If it has one". If it does not ...I had a no click no crank start issue and proceeded to replace the starter relay. When I replaced the relay the 30a fuse blew out. So I replaced it only to have it blow again. Did a little research online and decided to replace the …Here is a more detailed list of the signs of a bad or failing fuel pump relay to look for: 1. Check Engine Light on. The engine control module monitors all engine sensors to ensure they do not show the wrong values. If the ECU suspects any sensor is giving an incorrect value, it will light up the check engine light.Starter - Relay F177 26-124 - Big Rig World carries Genuine OEM and Aftermarket parts to repair your vehicle at the lowest prices.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. Key accessory power activates it to power up all the accessory fuses.Peterbilt 379 Wiring Diagrams/ Schematics - Free download as PDF File (.pdf), Text File ... J50 P103-1 STARTER RELAY START / 3 ORN1250 ORN3912-2 COIL CHARGE ... SW21 OPTIONAL JUMP START …Product Description. New Genuine S&S Switch Newstar P/N S-21291. Starter Relay Switch CB12100, CB1210 for Peterbilt Models 330, 340, 357, 375, 377, 378, 386, 389. 2 Prong, 2 Terminal Bosch Type. Alternative and other replacement reference part numbers: Peterbilt CB12100, CB1210, 16-03909. Tyco V23232-D0001-X001.Peterbilt trucks with a gross weight of more than 11.8 tons are reliable and durable, adaptable to various operating conditions. In 2003, the company manufactured 18.6 thousand trucks (in 2002 - 19.5 thousand vehicles). The Mid-Ranger family, manufactured since 1987, is designed to work in the city. The models of the two popular series 200-30 ...

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4,112 Location Mo Dec 17, 2019 #1 The driver said it some times he would have to turn the key several times before the starter would work. The dealer shop said …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.Kenworth T Fuse Box Location electricaldiagrams. Peterbilt Door Mirror. You could get a relay and and have the wire thats on the solenoid now control the relay to engage solenoid on starter. Tractor trucks featuring a sleek aluminum cab include the Peterbilt and In the Peterbilt program, the delivery of the series bonnet appeared.Replacing the relay means solving the problem once and for all. The starter relay is a long-lasting component that can last up to 100,000 miles. So replacing it is worth the cost. Let’s explore the processes involved. Replacing a bad starting relay. Starter relay replacement is a pretty easy and quick fix.2016 Pete 587 Starter interrupt relay clicks with the engine off. Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Alexp2686, Feb 9, 2021.Oct 22, 2013 · Electrical System:Starter Assembly:Relay Summary: Cummins: the relays and fuses of aftertreatment systems, in wiring harness, is potentially not adequately secured via original equipment manufacture (oem) and have wire rubbing points, relay damage or rub points. More Peterbilt 386 Starter Relay Service Bulletins of Other Model Years. 2013 start up, and there will be some DEF present with the air in the line as it is pushed out through the dosing valve. - During the test, the dosing valve is only open for the bleed operation and is closed when the pump is maintaining the correct pressure. A continuous spray from the valve at this time indicates a problem with the valve. 4.Oct 22, 2013 · Electrical System:Starter Assembly:Relay Summary: Cummins: the relays and fuses of aftertreatment systems, in wiring harness, is potentially not adequately secured via original equipment manufacture (oem) and have wire rubbing points, relay damage or rub points. More Peterbilt 386 Starter Relay Service Bulletins of Other Model Years. 2013 ….

Dec 26, 2016 · 2013 Peterbilt 587 paccar engine diagnostic fault shows Fuel Delivery Pressure … read more. Replaced both DEF and SCR doser valves and still have P3844 code. Davie says DEF Dosing valve current too low or open circuit … read more. Peterbilt starter relay location. In both systems, the metering device orifice tube or TXV is located between the condenser outlet and the evaporator inlet. It breaks right where it connects to the compressor. E email protected 08. Wheres orifice tube at on 05 model. Sold By Vander Haags Inc.Finally, the Peterbilt starter enable relay offers superior performance in cold weather. The relay is designed to operate efficiently in temperatures as low as -40 degrees Fahrenheit. This ensures that the truck can start reliably even in the coldest of climates. For any commercial truck owner, the starter enable relay is an essential component ...Transmission pump run-start. 112: 10A** Charge air cooler relay coil run-start (Raptor only). 113: 7.5A** Blind spot information system. Rear view camera. Front view camera. Voltage quality module. 114 — Electric fan 2 relay. 115 — Upfitter 3 relay (Raptor only). 116 — Upfitter 4 relay (Raptor only). * Cartridge fuses ** Mini fusesPrint; Navistar International Truck C ircuit Diagrams . PDF Files. Circuit diagrams for Navistar International Truck Models 4200, 4300, 4400 . Built October 16, 2000 to December 31, 2001 CLICK HERE. Circuit diagrams for …Here is a more detailed list of the signs of a bad or failing fuel pump relay to look for: 1. Check Engine Light on. The engine control module monitors all engine sensors to ensure they do not show the wrong values. If the ECU suspects any sensor is giving an incorrect value, it will light up the check engine light.E-Fan Relay (Electric Fan 1 Motor (Single-Stage Blower), 2-Stage Blower Switching Unit (Two-Stage Blower)), Steering Control Unit - Fan Relay (2003-2008) 9: 20: WiperMotor Fast/Slow Relay, Wiper Motor On/Off Relay, General Module Control Unit: 10: 15: Front Fog Lights Relay (General Module Control Unit, Left Fog Light, Right Fog Light, Switch ...16 Tem 2020 ... The 2006 Ford F-250 starter relay is located in the main fuse panel that is under the hood near the battery. This relay goes from the power ...Sep 6, 2017 · 2012 Pete 386 no start. I had UD with similar problem, no codes, no other issues, got so frustrated pulled exhaust pipe infront of dpf, truck started and ran great. Would only crank for about two seconds, like starter was bad. Not sure if this is a similar problem, just my two cents. starter relay electric horn hshp purple lslp bron / blk ocp or neutral start engine harness engine harness hood harness ( hood, j10 ) 239-400, blk 243-10, pink / blk ... Peterbilt starter relay location, Wiring Diagrams. This page uses frames, but your browser doesn't support them., The starter relay is located inside the power distribution center a black box located next to the driverside battery.The starter solenoid is intergrated into the starter,there also is a checkout procedure for the starter solenoid too. 2007 Dodge Ram,SLT,RegCab,4x4,5.9L HO,auto,3:73,Isspro gauges,Banks Airbox,BD Cool-it,BD X-flow intake,DDP ..., . the label for the door is just under $ bucks from peterbilt. Peterbilt fuse box wiring diagram fuse panel cover peterbilt fuse box diagram peterbilt fuses and relays mack truck. My husband has a Peterbilt. Model I need diagram of the fuse box. - Answered by a verified Technician.Oct 31, · Peterbilt Free Fuse Panel Diagram Myrtle Mcpherson., Product Description. New Genuine S&S Switch Newstar P/N S-21291. Starter Relay Switch CB12100, CB1210 for Peterbilt Models 330, 340, 357, 375, 377, 378, 386, 389. 2 Prong, 2 Terminal Bosch Type. Alternative and other replacement reference part numbers: Peterbilt CB12100, CB1210, 16-03909. Tyco V23232-D0001-X001. , The Peterbilt 366 / 367, with its 10×4 wheel configuration, can tow a 73-ton road train. Diesel engines producing anything from 280 to 600 horsepower power these automobiles. Transmissions often have between ten and eighteen ratios. Wheel suspensions of various sorts are available as an option for the machines., Transmission pump run-start. 112: 10A** Charge air cooler relay coil run-start (Raptor only). 113: 7.5A** Blind spot information system. Rear view camera. Front view camera. Voltage quality module. 114 — Electric fan 2 relay. 115 — Upfitter 3 relay (Raptor only). 116 — Upfitter 4 relay (Raptor only). * Cartridge fuses ** Mini fuses, In the Peterbilt program, the delivery of the series bonnet appeared. Ford Contour Nissan SX Fuse box diagram fuse layout , location, and assignment of fuses and relays Nissan SX S13 Peterbilt cecu problems. Additional relay in engine compartment My battery and brake light are on while im driving., Pulled the relay and applied voltage directly to the pin that provides power to the start solenoid. Starter works every time and never becomes a no start. So. Good battery and key switch voltage to the relay. Good relay. Good starter. Good circuit from the relay to start solenoid. That leaves one other option. A ground circuit for the relay., I’m looking for the starter relay on a 2011 Peterbilt 387. I have found 2 fuse box locations. 1) Behind glovebox 2) Sleeper compartment inside..., Goodmorning guys - working on our Peterbilt starter still. We got the old starter out, put a new starter in yesterday morning. Cleaned all the connections and put everything back on. Tried to start, just solenoid clicking, I think the solenoid I'm hearing is the one on the firewall., LoneStar® and ProStar® Chassis Built January, 2007 and After — ELECTRICAL CIRCUIT DIAGRAMS iii 4.44. REMOTE RADIO — N/AMP AND N/WIRED REMOTE AND N/DRIVER INTERFACE DISPLAY,, Locate the ECM (Electronic Control Module) on the passenger side of the truck. The starter relay is typically located in front of the ECM. Look for a blue or black box with wires connected to it. This is the starter relay. Using a test light or multimeter, test the wires going to the relay to ensure it is the correct component., 4,112 Location Mo Dec 17, 2019 #1 The driver said it some times he would have to turn the key several times before the starter would work. The dealer shop said …, Free shipping for many products!Search: Peterbilt Starter Relay Location.Peterbilt 359 Heater/AC schematic peterbilt heavy duty 330 models cummins 8 3L ISC 1996 FL 60 Cummins 8 At the time the 359 was first introduced to the market, if a trucker wanted a long hood rig, the choice was the Peterbilt 359 or the Kenworth W900A truck enable relay …, Mar 11, 2017 · Ok Now remember I have: a 2013 Peterbilt 386 with a PACCAR motor and an Eaton 13 speed trans and 400K on the clock I checked and cleaned every single fuse, checked every single relay, Then moved to the inside of the cab and removed the kick panel and checked all the fuses....all were good. I tried to reset the code by cycling on -off with the key. , Finally, the Peterbilt starter enable relay offers superior performance in cold weather. The relay is designed to operate efficiently in temperatures as low as -40 degrees Fahrenheit. This ensures that the truck can start reliably even in the coldest of climates. For any commercial truck owner, the starter enable relay is an essential component ..., The starter interrupt relay prevents the starter motor from receiving power, thus preventing the engine from starting, unless the proper key code is used. This helps keep your truck secure and efficient by allowing only authorized personnel to start the engine. The starter interrupt relay works by receiving a signal from the key-fob or key …, Electrical System:Starter Assembly:Relay Summary: Cummins: the relays and fuses of aftertreatment systems, in wiring harness, is potentially not adequately secured via original equipment manufacture (oem) and have wire rubbing points, relay damage or rub points. More Peterbilt 386 Starter Relay Service Bulletins of Other Model Years. 2013, Oct 22, 2013 · Electrical System:Starter Assembly:Relay Summary: Cummins: the relays and fuses of aftertreatment systems, in wiring harness, is potentially not adequately secured via original equipment manufacture (oem) and have wire rubbing points, relay damage or rub points. More Peterbilt 386 Starter Relay Service Bulletins of Other Model Years. 2013 , It’s a 2012 Peterbilt 388. I’m trying to find the starter relay. I don’t know where it’s located. Mechanic's Assistant: What is the complete model and serial number of your machine? 1XP-WD49X-1-CD131732. Mechanic's Assistant: Are you fixing this yourself? What have you tried so far? Battery starter, ignition switch wiring, Fuse Layout Ford Explorer 1996-2001. Cigar lighter (power outlet) fuses in the Ford Explorer are the fuse №17 (Cigar lighter) in the Instrument panel fuse box, and fuse №3 (Power Point) in the Engine compartment fuse box (1996-1997). Since 1998 – fuses №17 (Cigar lighter) and №22 (Auxiliary Power Socket) in the Instrument panel fuse box., 2014 peterbilt 386..I’m having intermittent starter issues.. starter has been replaced batteries are good.. ... 2014 peterbilt 386..I’m having intermittent starter issues.. starter has been replaced batteries are good.. I can’t find a relay in any of the fuse panels.. is there a relay somewhere on the frame?, start up, and there will be some DEF present with the air in the line as it is pushed out through the dosing valve. - During the test, the dosing valve is only open for the bleed operation and is closed when the pump is maintaining the correct pressure. A continuous spray from the valve at this time indicates a problem with the valve. 4., In many cases an intermittent starting problem is linked to a bad wire connection that may become dirty due to exposure under the hood. 4. Clicking sound coming from the starter. This symptom is common when your battery is low on amps, but is also an indicator that your starter relay is not sending a full signal., The 2013 Peterbilt 386 Fuse Panel Diagram provides a visual representation of the wiring system inside of your truck. The diagram is divided into sections to make it easier for you to identify which components need to be checked. It also includes information about the power distribution, the location of the fuse box and other related components., A starter enable relay is an electronic switch that allows current to flow from the battery to the starter when the ignition switch is turned on. This is a critical component for fleet operators, especially when reliability is a priority. Peterbilt Motors Company, a division of PACCAR Inc., has been a leader in transportation and trucking ..., A Peterbilt Starter Enable Relay is designed to act as a “bridge” between two parts of the truck’s electrical system, the starter motor and the solenoid. It’s essentially responsible for sending a signal from the starter motor to the solenoid, which then activates the engine., Fuse box diagram (location and assignment of electrical fuses and relays) for Dodge Caravan (2001, 2002, 2003, 2004, 2005, 2006, 2007)., Owner Operators Forums - peterbilt 387 Fuse box or relay box - I was wondering does anyone know how to reset the fuse box or circuit breaker on a peterbilt 387. My radio fuse blew out. I remove the glove box and there are no fuses just a red light on the fuse box indicating the radio fuse is Out.. thanks in advance[/lis, Mar 11, 2017 · Ok Now remember I have: a 2013 Peterbilt 386 with a PACCAR motor and an Eaton 13 speed trans and 400K on the clock I checked and cleaned every single fuse, checked every single relay, Then moved to the inside of the cab and removed the kick panel and checked all the fuses....all were good. I tried to reset the code by cycling on -off with the key. , Fuse box diagram (location and assignment of electrical fuses and relays) for Mercedes-Benz C-Class (C160, C180, C200, C220, C230, C240, C270, C280, C320, C350, C30, C32, C50) ... Starter relay Rear SAM control …, The back of the ignition switch has four terminals, which are the Battery, Start, Ignition and Accessory. The procedure for wiring an ignition switch is as follows: Step 3: Connect the starter relay wireThe starter relay wire needs to be co..., These cables are special order from Peterbilt and may take days to get OR you can make your own for around $180-$200. *379 C15* will need 14’ of 4 ohm cable, (75”/1900mm length for - cable and 90.5”/2300mm length for + cable) 2 battery connectors, 2 starter connectors, some red and black shrink tubing for the ends, and reusing the old ...