Intake heater light on freightliner

Freightliner Business Class M2 Fuse Box Diagram. In this article you will find a description of fuses and relays Freightliner, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for). Get tips on blown fuses, replacing a fuse, and more.

Freightliner Business Class M2 Fuse Box Diagram. In this article you will find a description of fuses and relays Freightliner, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for). Get tips on blown fuses, replacing a fuse, and more.For people using gas water heaters, two options are offered--natural gas or propane. According to Energy Star, 15 percent of a home’s energy use is attributed to heating water. Bot...Air intake restriction vacuum is measured in inches of water (inH 2 O). For vehicles equipped with a graduated indicator or a restriction gauge on the dash, check the gauge with the engine off. If the yellow signal stays locked in the red zone once the engine is shut down, or is at or above 25 inH 2 O, the air cleaner element needs to be replaced.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.813 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 ...Mar 21, 2010. #1. Recently I disconnected my battery cables, pulled the speedometer out to look for something else and now my check engine light and engine heater light won't go out and the code it flashes is 49 which is "Inlet Air Heater Driver Fault" (open/closed circuit) or something like that. I called CAT and he said it could be anything ...Sep 28, 2012 · Blog Entries: 1. CAT 3126 does not have glow plugs and uses an air intake pre heater. Not sure there is a fuse for that but check the wiring diagram for your coach and see. Or, a visit to a CAT shop. __________________. 2007 Country Coach Allure Siskiyou Summit, sold/traded Nov. 2018. 2019 Grand Designs 384GK-R 5th wheel.

Great thanks , Mike , does the check engine light go away without code clearing ? or does the code need to be cleared for the check engine light to go out ? ... Intake heater solenoid. Isl9 solenoid. Waited on Spartan to send and then just went to Freightliner and purchased. Attached Thumbnails 10-25-2021, 08:33 AM Mikenat. …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 . There are two studs on the heater , power and ground . Think of the heater as a 12 volt toaster element to warm the combustion air in the intake manifold .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.Aug 21, 2018 · Originally posted by dsalinas1939. i may have put this up before not sure but i have this 2014 c2 and its setting a 3494 code its intake heater mechanical fault i ran down the diagnostic tree and its tellin me it have to take to dealer for next procedure the heater eliment is working fine when i turn key on i hear it click on then off i see it ... The result of sustained, concentrated investment, the Cascadia represents a new era in trucking for Freightliner in Australia and New Zealand. Find everything you need to know about the 116 and 126 models. Trucks. Why Cascadia. Cascadia 116. Cascadia 126. Engines & Transmissions. Detroit Systems. About Freightliner.

Blog Entries: 1. CAT 3126 does not have glow plugs and uses an air intake pre heater. Not sure there is a fuse for that but check the wiring diagram for your coach and see. Or, a visit to a CAT shop. __________________. 2007 Country Coach Allure Siskiyou Summit, sold/traded Nov. 2018. 2019 Grand Designs 384GK-R 5th wheel.CASCADIA MAINTENANCE MANUAL Models: CA113DC CA113SLP CA125DC CA125SLP STI-478-6 (02/03/2022) Published by Daimler Truck North America LLC 4747 N. Channel Ave. Portland, OR 97217I run four sets of them 2 in the head light and 2 in the fog and the never go out not when starting or grid heater 2001 Dodge 2500 quad cab , Auto, 306,xxx miles, S&B Cold Air Intake, Expandit 5 inch straight piped system, Smarty, Edge Insight CS for gauges , HID Fog Lights 8000k, HID Head Lights 4300k, Electric/Heated tow mirrors, Painted ...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 ...

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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. With the results, contact Mercedes-Benz Transmissions Service Support by fax (503.961.8435), email (MBTServiceSupport@ Freightliner.com), or phone (503.745.4965 or 503.745.4988). Table 2, The Battery Voltage Is Too Low 307/4 Business Class M2 Workshop Manual, Supplement 20, September 2011... 2513208C92 INTAKE GRID HEATER KIT is an OEM part from Navistar International®, Kits: (1.00) SINGLE GRID HEATER ASSEMBLY; (1.00) GASKET INLET DUCT- INTAKE MANIFOLD; (1.00) INSTRUCTION SHEET; , Engine Platform: I367 - 2013 Emissions MaxxForce DT, 9, 10, OEM Description: INTAKE GRID HEATER KIT, Package …Freightliner Custom Chassis ... 09 Air Intake . 09–01 Air Cleaner Inspection ; 13 Air Compressor . 13–00 Safety Precautions ; ... 83 Heater and Air Conditioner . 83–00 Safety Precautions ; 83–01 Air Conditioner Inspection ; 83–02 Air Filter Replacement ; 88 Hood, Grille, and Cab Fenders ...

Electrical System General Information. The Saf-T-Liner C2 uses an electrical system where multiple electrical signals are carried along a simplified set of wires, reducing the size of wiring bundles. There are significantly fewer wires overall, meaning less chance of damage, shorts, and other problems. The information in this chapter is to help ...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 ...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.Intake heater relay activation, low voltage. I have an 03 2500 5.9L MT. The truck is giving P0541. I have removed the relay activation wires and receive only 3V at them when they should see 12V. I have checked the ground, it is fine. I have cleaned the connections and tested the wires. No dice.NOTE: If the check engine light illuminates dur- sition is left blank. ing vehicle operation, take the vehicle directly to The instrument cluster has an emergency buzzer that an …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 Blog Entries: 1. CAT 3126 does not have glow plugs and uses an air intake pre heater. Not sure there is a fuse for that but check the wiring diagram for your coach and see. Or, a visit to a CAT shop. __________________. 2007 Country Coach Allure Siskiyou Summit, sold/traded Nov. 2018. 2019 Grand Designs 384GK-R 5th wheel.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 PublicationsS2 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.

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.

PartsPro PartsPro® is an electronic parts catalog system, showing the specified vehicle’s build record. 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.Freightliner Custom Chassis ... 09 Air Intake . 09–01 Air Cleaner Element Inspection and Replacement ; 13 Air Compressor . ... 83 Heater and Air Conditioner . 83–00 Safety Precautions ; 83–01 Air Conditioner Inspecting ; 83–02 HVAC Air Filter Replacing ; 88 Hood, Grille, and Cab Fenders ...2014 Freightliner Business Class M2 Electrical Wiring Technical Service Bulletins TSB Number: 503-14 NHTSA Number: 10141904 TSB Date: May 3, 2014 Date Added to File: June 18, 2018 Failing Component: Electrical System:Wiring Summary: 503-14 fmi 3, 4: high side digital output 3 circuit failed high. View This TSB. TSB Number: …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 PublicationsJun 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.... Web my 2019 freightliner has a intake heater light that keeps flashing when i hit a bump going down the road or when i accelerate. An intake heater was ordered for this unit wich is a 6hr job all the fuel line need to be removed. Web finally got around to fixing this air heater code engine light turns out it was the spartan mega 250a fuse.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 TechnicianA couple of things are happening, fuel is being pumped the engine is doing some computer checks and if the weather is cool, there is a powerful heater, heating up the intake so that the engine starts easily. The colder the day, the longer it takes for the "wait to start" engine light to go out because the heater is taking more time.Walk away from the tea lights and the terracotta pot. You probably know space heaters can be dangerous and have to be used very carefully, so the appeal of a TikTok hack for making...There can be numerous reasons/causes for this code failure. 1. Test the individual and total injector return rates now. May be damaged injector nut, tube hole, rust in threads. 2. Test the output i.e. measure the output of the lift pump and the CP3, if either are low in volume or pressure, will cause the code. 3.

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Intake Heater Light: Troubleshooting Tips for Bus & Freightliner | JustAnswer. Ask an Expert. Car Questions. Truck Repair. This answer was rated: ★★★★★. The intake heater light flashes when the bus is cold however… The intake heater light flashes when the bus is cold however once it warms up, it doesn't come back on until the engine cools off.My dash doesn’t light up with an inlet heater light when I turn the key. I’m guessing - Answered by a verified Technician ... 30 degree Fahrenheit day. Intake heater on caterpillar C7 not giving power, on the opposite side of the solenoid when the key is turned forward. ... There's a LOW AIR! warning light on the dash. Freightliner M2 106 ...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.Pre-heat (after key On and before cranking): At key On, the ECM checks the intake manifold air temperature. Based on this temperature, the ECM lights a Wait to Start lamp and energizes the intake air heaters (as Figure 1.1 above). After a calibrated period of time, the ECM turns off the intake air heaters and the Wait to Start lamp turns off.Once …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 ... yup. Its probably a connection problem with the wire that plugs into the board behind the light. try and clean the plug. Had this in a '99 IH with ISM. Turned out to be the water temp. sensor. FLD's are notorious for giving bogus warnings at the top of the dash due to bad connectors or sensors.Even I know not to do this...water from washing and rain was entering the air box from the head light and saturated the filter, which in turn contaminated the air intake heater. The filter was also saturated with water and the filter oil they used. Cost Break Down: OEM Air Box =$271.48 Mass Air FNC with Sensor=$344.25.Freightliner Custom Chassis ... 09 Air Intake . 09–01 Air Cleaner Element Inspecting and Replacing ; 13 Air Compressor . 13–00 Safety Precautions ; ... 20–04 Coolant Heater Check, Webasto ; 20–05 Coolant System Maintenance, Electric Vehicle ; 20–06 Coolant Change, Electric Vehicle ...Draining your water heater once a year removes sediment from the tank that can cause it to work harder and cost more to use. Learn how it's done in this video. Expert Advice On Imp...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 …I run four sets of them 2 in the head light and 2 in the fog and the never go out not when starting or grid heater 2001 Dodge 2500 quad cab , Auto, 306,xxx miles, S&B Cold Air Intake, Expandit 5 inch straight piped system, Smarty, Edge Insight CS for gauges , HID Fog Lights 8000k, HID Head Lights 4300k, Electric/Heated tow mirrors, Painted ...Oct 24, 2021 · This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2. Thread Tools. 10-24-2021, 04:48 PM. BobG88. Senior Member. Join Date: Jul 2016. Location: Murfreesboro, TN. Posts: 356. ….

Custom-built Freightliner vehicles are equipped with various chassis and cab components. Not all of the information contained in this manual applies to every vehicle. For details about components in your ve-hicle, refer to the chassis specification pages in-cluded in all new vehicles and to the vehicle specifi-cation decal, located inside the ...Pre-heat (after key On and before cranking): At key On, the ECM checks the intake manifold air temperature. Based on this temperature, the ECM lights a Wait to Start lamp and energizes the intake air heaters (as Figure 1.1 above). After a calibrated period of time, the ECM turns off the intake air heaters and the Wait to Start lamp turns off.Once …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.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 ... Sounds like your heater relay is stuck closed or open. The heater relay is located on the driver side of the engine on top of the intake manifold. It has a black rubber boot covering it for electrical ground protection. when removing relay, disconnect battery ground to prevent electrical shock.Reason being, the relay has power at all times, the ...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 …Benefits of Solar Water Heaters - The benefits of solar water heaters are numerous. Visit HowStuffWorks to learn all the benefits of solar water heaters. Advertisement The benefits...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. Intake heater light on freightliner, The ABS light is a steady burn while cranking but once it fires it flashes for about 30 sec before going off. ... It **might** have an intake heater. It would be on the air intake pipe going in to the engine and have a couple of 2 gauge or so cables gojng to it. ... Freightliner used to bury them under there on the business class trucks. I ..., yup. Its probably a connection problem with the wire that plugs into the board behind the light. try and clean the plug. Had this in a '99 IH with ISM. Turned out to be the water temp. sensor. FLD's are notorious for giving bogus warnings at the top of the dash due to bad connectors or sensors., Freightliner Custom Chassis ... 09 Air Intake . 09–01 Air Cleaner Element Inspecting and Replacing ; 13 Air Compressor . 13–00 Safety Precautions ; ... 20–04 Coolant Heater Check, Webasto ; 20–05 Coolant System Maintenance, Electric Vehicle ; 20–06 Coolant Change, Electric Vehicle ..., 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 , Air intake restriction vacuum is measured in inches of water (inH 2 O). For vehicles equipped with a graduated indicator or a restriction gauge on the dash, check the gauge with the engine off. If the yellow signal stays locked in the red zone once the engine is shut down, or is at or above 25 inH 2 O, the air cleaner element needs to be replaced. , This time of year, you’ve gotta do some work to keep your home warm and cozy. Christmas lights, decorations, an extra throw blanket on the couch. And, of course, a space heater. Bu..., Thanks for the information. The 2 wire sensor is the intake air temp sensor. The 3 wire sensor is the Boost pressure sensor. Thr boost has nothing to do with the intake heater. The other sensor is the coolant temp sensor. It is located in the top of the block on the drivers side. It ia a 2 wire sensor as well., Like a coolant sensor that reads -10 degrees when it's 80 degrees out. There are three kinds of sensor failures 1) Sensor fails "open", 2) Sensor fails "shorted", 3) sensor is within allowable limits but wrong - off by a large factor (the sensor readings are 50 degrees off)., Originally posted by dsalinas1939. i may have put this up before not sure but i have this 2014 c2 and its setting a 3494 code its intake heater mechanical fault i ran down the diagnostic tree and its tellin me it have to take to dealer for next procedure the heater eliment is working fine when i turn key on i hear it click on then off i see it ..., 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., PartsPro PartsPro® is an electronic parts catalog system, showing the specified vehicle’s build record. 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., Aug 21, 2018 · Originally posted by dsalinas1939. i may have put this up before not sure but i have this 2014 c2 and its setting a 3494 code its intake heater mechanical fault i ran down the diagnostic tree and its tellin me it have to take to dealer for next procedure the heater eliment is working fine when i turn key on i hear it click on then off i see it ... , #1 · Apr 19, 2017. I have an 05 2500 with a stage 2 bd turbo, 90 over injectors and a smarty touch tuner. My grid heater light keeps coming on while I'm driving along with ten dings. …, Since coal is usually burned to generate electricity for homes, it can be conserved by using energy-efficient bulbs for lighting and by conserving the energy consumed by house heat..., Benefits of Solar Water Heaters - The benefits of solar water heaters are numerous. Visit HowStuffWorks to learn all the benefits of solar water heaters. Advertisement The benefits..., 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., 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 , superman279. 2113 posts · Joined 2010. #17 · Jul 27, 2013. No start when cold (depending on what 'cold' is to you) is more likely injector related. As far as the grid heater light goes, check for codes with the key trick. …, Jan 18, 2023 · 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 ... , Sep 28, 2012 · Blog Entries: 1. CAT 3126 does not have glow plugs and uses an air intake pre heater. Not sure there is a fuse for that but check the wiring diagram for your coach and see. Or, a visit to a CAT shop. __________________. 2007 Country Coach Allure Siskiyou Summit, sold/traded Nov. 2018. 2019 Grand Designs 384GK-R 5th wheel. , The result of sustained, concentrated investment, the Cascadia represents a new era in trucking for Freightliner in Australia and New Zealand. Find everything you need to know about the 116 and 126 models. Trucks. Why Cascadia. Cascadia 116. Cascadia 126. Engines & Transmissions. Detroit Systems. About Freightliner., Light Mode; menu Log in ... "Air intake heaters, also known as grid heaters and manifold heaters, are used in diesel applications needing quick, smooth and reliable starts in cold weather. ... '97 Freightliner MT-35 Step Van 15' long cargo area custom RV project 4BTA, ZF5 trans swapped, 4K GSK, HD Valve Springs, P-pump, ..., 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 that are thought to have a defect that could cause a crash, injury, or death, should immediately be reported to Trans-port Canada and Daimler Truck North ..., 83.....Heater and Air Conditioner 88.....Hood, Grille, and Cab Fenders Introduction Maintenance Manual Contents I–4 108SD and 114SD Maintenance Manual, November …, 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, EZWiring EZWiring™ makes Freightliner Custom Chassis Corporation, Freightliner, Ster-ling, Western Star, and Thomas Built Buses products’ wiring drawings and float- ... 09–03 Air Intake System Inspecting † † † † † † ††††††††††††† ... 20–03 Coolant Heater Check, Webasto Inspect the coolant heater ..., Test the High-Pressure Relief - This is fairly simple with an advanced scan tool. Just command the regulator up to achieve max fuel pressure. This should be somewhere around 27,500 psi. The relief valve is a calibrated mechanical spring that opens to return fuel back to the fuel filter, thus limiting max fuel pressure., The result of sustained, concentrated investment, the Cascadia represents a new era in trucking for Freightliner in Australia and New Zealand. Find everything you need to know about the 116 and 126 models. Trucks. Why Cascadia. Cascadia 116. Cascadia 126. Engines & Transmissions. Detroit Systems. About Freightliner., 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 …, 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 . There are two studs on the heater , power and ground . Think of the heater as a 12 volt toaster element to warm the combustion air in the intake manifold ., Freightliner Custom Chassis ... 09 Air Intake . 09–01 Air Cleaner Element Inspection and Replacement ; 13 Air Compressor . ... 83 Heater and Air Conditioner . 83–00 Safety Precautions ; 83–01 Air Conditioner Inspecting ; 83–02 HVAC Air Filter Replacing ; 88 Hood, Grille, and Cab Fenders ..., , Originally posted by dsalinas1939. i may have put this up before not sure but i have this 2014 c2 and its setting a 3494 code its intake heater mechanical fault i ran down the diagnostic tree and its tellin me it have to take to dealer for next procedure the heater eliment is working fine when i turn key on i hear it click on then off i see it ...