Intake heater light on freightliner

EZWiring EZWiring™ makes Freightliner, Sterling, Western Star, Thomas Built Buses, and Freightliner Custom Chassis Corporation products’ wiring drawings and floating pin lists available online for viewing and printing. EZWiring can also be ac-cessed from within PartsPro. Introduction Descriptions of Service Publications

Intake heater light on freightliner. First, the heater should come on every time the key is turned to the on position. Then the Engine ECM checks the coolant and intake air temp and if they are high enough, the heater shuts off. Second, the 12volt power that operates the circuit comes from the truck, not the ECM. The most common reason for the heater not to work is a loss of power ...

The headlights on a freightliner truck can typically be adjusted using a vertical adjustment screw. The lateral position of the headlights is typically fixed. Whenever you replace ...

This heater is a GREAT drain on the 12 volt system. (240 amps). The heater comes on when the ignition is turned on and runs providing heat to the intake of the turbo when cold starting. Hence the "Wait to start" light on the dashboard. If you activate the start before this light goes out, you will overload the circuit and possibly the fuse will go.Re: Pre Heat controls for 8.3. Reply #7 – October 20, 2012, 06:02:41 pm. Block heaters and aqua hots (or clones) are used to warm the block before attempting to start the engine. The intake manifold grid heater is part of the start process, and is activated by the ignition key. 808 Posts. Posted - 05/30/2017 : 10:18:04 AM. I have a DT466 that we got back from the dealer . They had to do some work on the engine we installed . There were wiring issues . When we got it back the wait to start light would come on for 5 or 6 seconds and go off . A couple days later went to start the bus the wait to start light wouldn't come ... BUSINESS CLASS M2 MAINTENANCE MANUAL Models: M2 100 M2 106 M2 106V M2 112 M2 112V STI-455-7 (02/03/2022) Published by Daimler Truck North America LLC 4747 N. Channel Ave.Posts: 944. Check Engine Light - Grid Heater. I have a CAT C-7 (350 HP) in a Travel Supreme motorhome with a check engine light illuminated due to the following codes: 70-5: Inlet Air Heater Driver #1. 729-5: Air Intake Heater Open Circuit. I checked the grid heater solenoid and it is good, but it appears I am not getting control power to the ...1. Table 1 MBE 900 Grid Heater Relay Installation Kit (P/N: A9061590004) INSTALLATION PROCEDURE. 1. Make sure that the engine is off (key OFF, engine OFF). 2. Disconnect the batteries. 3. Disconnect the electrical harness connector and …I have a 2004 FREIGHTLINER M2-16 with a DT 466 Diesel engine. While driving it it runs fine but at decceleration at almost full stop, it starts shaking and acting up and the intake heater light comes … read more

Leading Solutions for Cold Starts & Emissions Reduction. Air Intake Heaters, also known as grid and manifold heaters, provide solutions for diesel applications such as On-Highway, Off-Road and Power Generation. Powered by the vehicle battery, air intake heaters provide an on-board, stand-alone cold weather starting aid without driver intervention.Feb 21, 2017 #1. Confused Light Load Member. 224. 268. Sep 22, 2009. somewhere else. 0. Anyone ever had this intake heater error 1 and 2 code flash up on dash ? If so what …The grid heaters on our Vision's here will continue to cycle causing the volt gauge to drop, the STOP light and TOO LOW with pic of battery, until the engine oil temp and the engine water temp reach 120 degrees cumulatively. So basically 60 degrees of temp on each one is suppose to stop grid heater from coming on. 808 Posts. Posted - 05/30/2017 : 10:18:04 AM. I have a DT466 that we got back from the dealer . They had to do some work on the engine we installed . There were wiring issues . When we got it back the wait to start light would come on for 5 or 6 seconds and go off . A couple days later went to start the bus the wait to start light wouldn't come ... Grid heater light kicked on while driving. so just got the truck with 170,000 and was perfectly fine ( dealer let me take it home for a few days). Then dealer threw in a smarty programmer he had ordered for it and i set it on level one to start with. I took it down the highway and when cruising at 70 the wts light kicked on and chimed a few times.

2020 freightliner M2-106 with 3 lights on.1 Check engine light. 2 Amber engine light 3. Amber low Def light with blinking red light. My def tank if full but keeps indicating i have no def fluid. Drove … read moreInstructions for Westek timers are available online at AmerTac.com and WaterHeaterTimer.org. American Tack and Hardware Co. manufactures and distributes Westek timers for use in ap...09 Air Intake . 09–01 Air Cleaner Element Inspection and Replacement ; 13 Air Compressor . 13–00 Safety Precautions ; 13–01 Air Compressor Inspection ; 15 Alternators and Starters . 15–00 Safety Precautions ; 15–01 Alternator, Battery, and Starter Checking ; 20 Engine Cooling/Radiator . 20–00 Safety Precautions ; 20–01 Radiator ...Tail Light Configurations (Module 294) Trailer Interfaces (Module 296, 297) (Module ) Engine Interface (Black Plug) (Plugs may also be frame located) 148, 163, 87L Transmission (Grey Plug) (Plugs may also frame located Interfaces. be (Module , 34C) Electrical Component Overview 2010 M2 Electrical Body Builder Reference Page # 2 Rev: New

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S2 Chassis Maintenance Manual, November 201942/9. 5. Check the fuse for the hydraulic brake booster pump, as follows. 5.1 Open the cover to the main power distri- bution module (PDM). 5.2 Pull the fuse in position F6 for the Hydro- Max relay. 5.3 Inspect the relay to make sure the fuse is not damaged.Optional lights include an intake heater, low brake fluid, low coolant, low fuel, automatic transmission range inhibit, pall filter, differential lock, and wheel spin indicators. Air Filter Indicator The air filter indicator (marked " AIR FILTER ") lights up when the air cleaner filter element is significantly clogged, reducing intake airflow ...Shows the steps to disable those pesky intake heater lights by disabling grid heater. Remember to key off and let bus go to sleep to fully deactivate.The coolant heater was added by Freightliner/Thomas because of poor bus body heat shortly after they switched from 3126 to C7. Thomas did free retrofits on C7 equipped units that didn't have them already. ... On the older GMs with 3116s and 3126s we have there is an Intake Heater light that we wait to go out until we start it.3 posts · Joined 2023. #1 · Jan 18, 2023. I have a 2004 ram 2500 5.9 with 73k miles and a couple months ago the check engine light came on for the air intake heater. I replaced the air intake heater as well as the relays. Light stayed on and would not clear with the scanner. Took it to the dealer and they said the air intake heater and relays ...

The heater will stay on for a few minutes, It is there to help starting and reduce smoke during warmup.i haven't worked on cats in a few years but i think the heater can stay on for up to 5 minutes in extremely cold environments. and yes they will draw voltage down .On our Freightliner m2 trucks with cummins engines,the intake heater will cycle ...To contact Freightliner about a concern about a specific vehicle call the Customer Assistance Cen-ter at 1-800-385-4357 or complete a Product Concern Form. Vehicles domiciled in Canada thought to have a defect that could cause a crash, injury, or death, should immediately be reported to Transport Canada and Daimler Truck North America … BUSINESS CLASS M2 MAINTENANCE MANUAL Models: M2 100 M2 106 M2 106V M2 112 M2 112V STI-455-7 (02/03/2022) Published by Daimler Truck North America LLC 4747 N. Channel Ave. FREIGHTLINER M2 Heater Assembly. OEM #: A22-59312-000. SURPLUS RED DOT AUXILARY HVAC A/C HEATER ASSEMBLY FLOOR MOUNTED P/N: A22-59312-000 REPLACED BY P/N: RDH R4225 1. Create Estimate. Part Info. (541)922-6455 Request Info Enterprise Hagerman Inc. UMATILLA OR. $600.00. Fl70 with a cat 3126. the intake heater light does not come on. and won't start without ether. 2002. Replaced the intake - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. ... Hi, I have a 3126 CAT engine in a 1997 Freightliner FL-70. New Design Old Design Have a cat 3126, I suspect air inlet heater is not working. Lots of smoke at startup, light comes on but not for long. How can I test it or the relay. 02 kw t300 cat 3126 engine. Hello and thank you for using just answer my name is ***** ***** I will be assisting you with your question today on your intake heater on your caterpillar engine ...18 Manual Transmissions and Clutch. 19 Drive Axles. 20 Fifth Wheels. 21 Trailer Couplings. 22 Headlights. 23 Vehicle Appearance and Care. 24 Pre- and Post-Trip Checklists. 25 Pre- and Post-Trip Inspections and Maintenance. 26 In An Emergency.SPN 3223 Aftertreatment 1 Intake Gas Sensor Heater Control FMI 7 . SPN 3223 FMI 5 . What is SPN 3223 FMI 7? This code is telling you the NOx Inlet Sensor …CODES: Fault Code: 2555. PID (P), SID (S): S070. SPN: 729. FMI: 3. Lamp: Amber. REASON: Intake Air Heater 1 Circuit - Voltage Above Normal or Shorted to High Source. High voltage detected at the intake air heater signal circuit. EFFECT: The intake air heaters may be ON or OFF all the time.

Cummins isb6.7 in a freightliner m2 106. an intake heater was ordered for this unit wich is a 6hr job all the fuel line need to be removed. I looked atvthe c...

Here are some of the best outdoor heaters for restaurants to keep your customers warm and cozy when they want to dine outdoors to enjoy a meal. If you buy something through our lin... 808 Posts. Posted - 05/30/2017 : 10:18:04 AM. I have a DT466 that we got back from the dealer . They had to do some work on the engine we installed . There were wiring issues . When we got it back the wait to start light would come on for 5 or 6 seconds and go off . A couple days later went to start the bus the wait to start light wouldn't come ... New Design Old Design813 posts · Joined 2007. #1 · Nov 18, 2009. Started the truck yesterday and check engine light came on. Checked codes with Smarty and there were two of them. They were P2609- No voltage drop seen from intake air heater and P0542- High voltage on the #1intake air heater relay. After checking the codes I noticed that my grid heater is not ...808 Posts. Posted - 05/30/2017 : 10:18:04 AM. I have a DT466 that we got back from the dealer . They had to do some work on the engine we installed . There were wiring issues . When we got it back the wait to start light would come on for 5 or 6 seconds and go off . A couple days later went to start the bus the wait to start light wouldn't come ...My question is about the air intake heater system on my 2000 Freightliner FL70 that has a Cat 3126 engine. I have had the truck since March of this year. Initially the indicator light for warming the engine when cold stayed on for about 30 seconds as it. was supposed to and the engine started fine. I have a lengthy bit of info I want to include ...96 Posts. Posted - 01/09/2019 : 3:23:49 PM. Have a 05 Freightliner Cat c7 Engine. Starting hard even when it’s plugged in all of a sudden. Don’t have diagnostics/software. Runs fine once it’s started. Tomorrow going to change the fuel filter and water separator filter as a starting point. Intake heater seems to be cycling as normal.Here is what this code means: “Exhaust Emission Controller aftertreatent 1 intake gas sensor heater control mechanism system not responding or out of alignment.” That is a mouthful to say and to write. What this means is that the “NOx Raw Sensor not ready after Dewpoint enable inspection”. In other words, the sensor failed to activate.

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NEW CASCADIA MAINTENANCE MANUAL Models: PT126SLP PT126DC PE116SLP PE116DC STI-500-10 (02/03/2022) Published by Daimler Trucks North America LLC 4747 N. Channel Ave.I have a 2004 FREIGHTLINER M2-16 with a DT 466 Diesel engine. While driving it it runs fine but at decceleration at almost full stop, it starts shaking and acting up and the intake heater light comes … read moreThanks for the help cat. I mention 30 seconds cause this troubleshooting guide I'm reading says 30 second cycle time over and over Troubleshooting 3114, 3116 and 3126 Engines Media Number -SENR6502-06 So, Yeah, according to this document the coolant temp, oil pressure switch, power relay, and control module are the factors to look …The Cummins air intake ( grid ) heater , is in a square block about 2 1/4" high sandwiched between the air tubing from the CAC ( Charge Air Cooler ) and the intake manifold . ... Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060 2000 Caravan toad, Remco & Blue Ox. 08-02-2023, 07:17 PM palehorse89. Senior Member .BUSINESS CLASS M2 MAINTENANCE MANUAL Models: M2 100 M2 106 M2 106V M2 112 M2 112V STI-455-7 (02/03/2022) Published by Daimler Truck North America LLC 4747 N. Channel Ave.Jun 14, 2012 · I have 98.5 and my wait to start light will not come on when you turn the key to the on position right away. It takes about 8-10 seconds for the light to come on. Once the light comes on the truck will start. If i try to just turn the key and start it as soon as enter it into the ingnition the truck will just turn over and continue to turn over.... Trucks, Buses, CE, AG Software & Discussions Detroit Diesel. DDEC 6 Intake heater. Have a strange issue going on this Freightliner with a DDEC6. The intake heater light comes on and the engine will idle down to 600rpm. Wait a while and play with the throttle and it works again. Its doing it more frequently as time goes on.Jan 22, 2024 · I have a 2004 FREIGHTLINER M2-16 with a DT 466 Diesel engine. While driving it it runs fine but at decceleration at almost full stop, it starts shaking and acting up and the intake heater light comes … read more Do you know how to remove your car's intake manifold? Find out how to remove your car's intake manifold in this article from HowStuffWorks. Advertisement Repairing your car may see...Leading Solutions for Cold Starts & Emissions Reduction. Air Intake Heaters, also known as grid and manifold heaters, provide solutions for diesel applications such as On-Highway, Off-Road and Power Generation. Powered by the vehicle battery, air intake heaters provide an on-board, stand-alone cold weather starting aid without driver intervention. ….

Jun 12, 2017 · Posts: 944. Check Engine Light - Grid Heater. I have a CAT C-7 (350 HP) in a Travel Supreme motorhome with a check engine light illuminated due to the following codes: 70-5: Inlet Air Heater Driver #1. 729-5: Air Intake Heater Open Circuit. I checked the grid heater solenoid and it is good, but it appears I am not getting control power to the ... My 2019 freightliner has a intake heater light that keeps flashing when I hit a bump going down the road or when I - Answered by a verified TechnicianRe: CAT 3126B "Wait to Start" Light. « Reply #4 on: October 23, 2012, 05:05:05 PM ». Rod, Certainly sounds like a loose connection or the pre-heat relay/solenoid with the points sticking. Locate the relay. With a voltmeter, check for 12 VDC on the large wire out to the intake heater when someone turn the key on.Optional lights include an intake heater, low brake fluid, low coolant, low fuel, automatic transmission range inhibit, pall filter, differential lock, and wheel spin indicators. Air Filter Indicator The air filter indicator (marked " AIR FILTER ") lights up when the air cleaner filter element is significantly clogged, reducing intake airflow ...2004 Freightliner FS65 Thomas school bus. 165,718 miles on odometer, 7,778 hours on meter, Caterpillar C7 7.2L L6 turbo diesel engine, Automatic transmission, Single axle, Heat, Cruise, Heated mirrors, Vinyl interior, 65 passenger capacity, Ceiling, rear, and side emergency exits, Lighted stop sign, Backup alarm, Block heater, Underside luggage …Gasoline engines use an intake manifold to deliver a fuel and air mixture to each cylinder for combustion. Intake manifolds once were made of cast iron. The biggest problem with ca...09 Air Intake . 09–01 Air Cleaner Element Inspection and Replacement ; 13 Air Compressor . 13–00 Safety Precautions ; 13–01 Air Compressor Inspection ; 15 Alternators and Starters . 15–00 Safety Precautions ; 15–01 Alternator, Battery, and Starter Connections Check ; 20 Engine Cooling/Radiator . 20–00 Safety Precautions ; 20–01 ...2) The intake air heater circuits will only activate when the intake manifold temperature is below 19°C [66°F] when the key switch is in the ON position. Ask Your Own Medium and Heavy Trucks Question. Voltmeter on dash Drops down every time the relay cycle When cold I turn the key on I hear the relays energize and the wait to start light ...Freightliner MBFME190887 Relay Intake Air Heater Co . Brand: Freightliner. Currently unavailable. We don't know when or if this item will be back in stock. Important information. To report an issue with this product, click here. Product Description . Freightliner MBFME190887 Relay Intake Air Heater Co.EPA07 MBE 4000 OPERATOR'S MANUAL. HOT COOLANT To avoid scalding from the expulsion of hot coolant, never remove the cooling system pressure cap while the engine is at operating temperature. Wear adequate protective clothing (face shield, rubber gloves, apron, and boots). Remove the cap slowly to relieve pressure. Intake heater light on freightliner, Trucks, Buses, CE, AG Software & Discussions Detroit Diesel. DDEC 6 Intake heater. Have a strange issue going on this Freightliner with a DDEC6. The intake heater light comes on and the engine will idle down to 600rpm. Wait a while and play with the throttle and it works again. Its doing it more frequently as time goes on., BUSINESS CLASS M2 MAINTENANCE MANUAL Models: M2 100 M2 106 M2 106V M2 112 M2 112V STI-455-7 (02/03/2022) Published by Daimler Truck North America LLC 4747 N. Channel Ave. , 20–04 Coolant Heater Check, Webasto ; 20–05 Coolant System Maintenance, Electric Vehicle ; 20–06 Coolant Change, Electric Vehicle ; 25 Clutch . 25–00 Safety Precautions ; 25–01 Eaton Fuller Clutch Release Bearing Lubricating ; 25–02 Eaton Fuller Clutch Release Cross-Shaft Lubricating ; 25–03 Clutch Hydraulic Fluid Level Checking, Thanks for the help cat. I mention 30 seconds cause this troubleshooting guide I'm reading says 30 second cycle time over and over Troubleshooting 3114, 3116 and 3126 Engines Media Number -SENR6502-06 So, Yeah, according to this document the coolant temp, oil pressure switch, power relay, and control module are the factors to look …, 09 Air Intake . 09–01 Air Cleaner Inspection ; 13 Air Compressor . 13–00 Safety Precautions ; 13–01 Air Compressor Inspection ; 15 Alternators and Starters . 15–00 Safety Precautions ; 15–01 Alternator, Battery, and Starter Connections Check ; 20 Engine Cooling/Radiator . 20–00 Safety Precautions ; 20–01 Pressure Relief Cap Check, 1 03-02-2017, 11:53 PM. Have a strange issue going on this Freightliner with a DDEC6. The intake heater light comes on and the engine will idle down to 600rpm. Wait a while …, Here I show how to diagnose a air intake heater circuit on a Cummins Isc Engine, Freightliner Truck reserves the right to discontinue models and to change specifications or design at any time without notice and without incurring obligation. Descriptions and …, 20–03 Coolant Heater Check, Webasto Inspect the coolant heater every 12 months. 00 General Information Vehicle Maintenance Schedule Table: 00–02 00/2 Walk-In Van Chassis Maintenance Manual, May 2022 , My grid heater is not firing up on my 6.7. It is in the single digits at night and no where near the 55 or 60 F function point. I checked the power to the main solonoid that controls power to the grid and I also manually fired the solonoid and varified that it is working. The problem seems to be that the ECM is not giving a command to activate ..., Have a cat 3126, I suspect air inlet heater is not working. Lots of smoke at startup, light comes on but not for long. How can I test it or the relay. 02 kw t300 cat 3126 engine. Hello and thank you for using just answer my name is ***** ***** I will be assisting you with your question today on your intake heater on your caterpillar engine ..., Apr 6, 2023 · Here is what this code means: “Exhaust Emission Controller aftertreatent 1 intake gas sensor heater control mechanism system not responding or out of alignment.” That is a mouthful to say and to write. What this means is that the “NOx Raw Sensor not ready after Dewpoint enable inspection”. In other words, the sensor failed to activate. , The heater will stay on for a few minutes, It is there to help starting and reduce smoke during warmup.i haven't worked on cats in a few years but i think the heater can stay on for up to 5 minutes in extremely cold environments. and yes they will draw voltage down .On our Freightliner m2 trucks with cummins engines,the intake heater …, The Saf-T-Liner C2’s Cummins engine is equipped with a grid heater inside its air system. This grid heater takes a few seconds to heat up and has three purposes: Assists the engine’s cold weather start-ability by preheating the intake air. Helps control white smoke during cold starting (reduced hydrocarbon emissions – EPA requirement), 83.....Heater and Air Conditioner 88.....Hood, Grille, and Cab Fenders Introduction Maintenance Manual Contents I–4 108SD and 114SD Maintenance Manual, November …, SAF-T-LINER C2. Parts Reference Manual ( Interior ) INTRODUCTION. The Thomas Built Buses SAF-T-LINER C2 parts reference manual provides the user with a tool to assist in identifying needed replacement parts and service information for their bus. It is intended to be used as a guide to help locate service parts information that resides within ..., Apr 6, 2023 · Here is what this code means: “Exhaust Emission Controller aftertreatent 1 intake gas sensor heater control mechanism system not responding or out of alignment.” That is a mouthful to say and to write. What this means is that the “NOx Raw Sensor not ready after Dewpoint enable inspection”. In other words, the sensor failed to activate. , 808 Posts. Posted - 05/30/2017 : 10:18:04 AM. I have a DT466 that we got back from the dealer . They had to do some work on the engine we installed . There were wiring issues . When we got it back the wait to start light would come on for 5 or 6 seconds and go off . A couple days later went to start the bus the wait to start light wouldn't come ... , Subscribed. 86. 49K views 8 years ago. Here I show how to diagnose a air intake heater circuit on a Cummins Isc Engine ...more. Here I show how to diagnose a …, 99ft3003 Gtx 800mhz Mobile Radio Schematics Exhibit 6 Motorola Solutions. U0327. All Wiring Diagrams For Mercedes Benz E500 4matic 2005 Cars. Freightliner Mins Pto Control. Freightliner M2 100 106 112 Truck Work Manual Mypowermanual. 2010 Freightliner Business Class M2 100 Trucks Electrical Wiring Diagram Manual. M2 …, BUSINESS CLASS M2 MAINTENANCE MANUAL Models: M2 100 M2 106 M2 106V M2 112 M2 112V STI-455-7 (02/03/2022) Published by Daimler Truck North America LLC 4747 N. Channel Ave., The Saf-T-Liner C2’s Cummins engine is equipped with a grid heater inside its air system. This grid heater takes a few seconds to heat up and has three purposes: Assists the engine’s cold weather start-ability by preheating the intake air. Helps control white smoke during cold starting (reduced hydrocarbon emissions – EPA requirement), Dec 5, 2023 · nskyline34 Discussion starter. 1706 posts · Joined 2013. #5 · Dec 5, 2023. Well ordered a complete GDP setup - intake manifold, intake horn, and their high flow grid heater. More than I wanted to spend, but the only company that makes them specifically for the C&C trucks and plus I like the idea of the added flow of the intake horn. , Placeholder Product Name. Placeholder Product Name. $00.00. 0000-0000 Placeholder Application. The Cummins Genuine 5335502 Intake Air Cover & Heater Grid provides your 2007.5-2012 Dodge 6.7L Diesel (Cab & Chassis Only) with …, Browse our selection of Freightliner M2 Air Intake Grid Heater Gaskets from BuyAutoTruckAccessories.com. Buy online or Call (866) 205-5299 to order today. (866) 205-5299 Order Status Cart Recently Added Items. Garage ..., DDC-SVC-MAN-0040.PDF - MBE 900 ENGINE 2007 OPERATOR'S GUIDE - Freightliner ... Detroit Diesel®, Mar 19, 2013 · Intake Manifold Heater Light Stays On!! 5669 Views 5 Replies 4 Participants Last post by ColinP, Jan 8, 2016. P. pjcovey40 Discussion Starter ... , The “wait to start” light comes on ever time during pre-start, but grid heaters never engage. It’s never worked since I bought the MH in 2013. I’ve used block heater to preheat engine prior to starting. Van Willams had this problem in 2015 and he checked all connections in engine room area which ended up resolving the problem., New Design Old Design, open a can of worms. essentially there have been. a few cases of the grid heater bolt breaking off and finding a home pounded into the top of cylinder 6. the belief is the bolt loosens and electrical current arcs causing it to fall off, or constant elec current arcs causing it to fall into intake., Jun 12, 2017 · Posts: 944. Check Engine Light - Grid Heater. I have a CAT C-7 (350 HP) in a Travel Supreme motorhome with a check engine light illuminated due to the following codes: 70-5: Inlet Air Heater Driver #1. 729-5: Air Intake Heater Open Circuit. I checked the grid heater solenoid and it is good, but it appears I am not getting control power to the ... , The intake heater solenoid is ground controlled from the ECM. The power supply for the relay , heater and lamp are OEM. Check the ground strap at the rear of the cylinder head to ECM. The output wire is in pin 8 in connector 1 at ECM this is the engine side. 08 Thomas EF., 96 Posts. Posted - 01/09/2019 : 3:23:49 PM. Have a 05 Freightliner Cat c7 Engine. Starting hard even when it’s plugged in all of a sudden. Don’t have diagnostics/software. Runs fine once it’s started. Tomorrow going to change the fuel filter and water separator filter as a starting point. Intake heater seems to be cycling as normal.