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11

ENGINE IDENTIFICATION 

MODEL IDENTIFICATION AND SERIAL NUMBER IDENTIFICATION 

An identification placard is affixed to the engine. The placard contains the engine family number, 
model number, and serial number. Both the engine model number and serial number are required 
when seeking information concerning the engine and/or ordering replacement service parts.  

 

This manual covers the 

LT4 6.2L Marine Engine

. You can fill in the information from your engine 

identification placard in the above representation for future reference. 

Model

: This is the part number for the engine. This number should be recorded somewhere other 

than the boat for ease of obtaining information or parts for this engine. 

Serial  Number

:  This  number  identifies  each  individual  engine.  This  number  should  also  be 

recorded somewhere other than in the boat. If you have a request or need to order service parts, 
this serial number will be requested to aid our parts department in fulfilling your order. The serial 
number will confirm that you are ordering the correct parts for your engine. 

 

WARRANTY REGISTRATION 

The warranty registration card shipped with your engine must be filled out and returned to KEM 
Equipment, Inc./Kodiak Marine within 10 days of receipt of your new vessel. The warranty card 
can be emailed to 

[email protected]

 , faxed to (503) 692-1098, or mailed to 10800 

SW Herman Rd Tualatin, OR 97062.  This warranty card will also need to be filled out and 
returned if a re-power is being performed with a new Kodiak engine. 

Failure to fill out and 

return your warranty registration card to KEM Equipment, Inc. within this time period can 
void all warranties related to this engine.

 This warranty card also helps to identify your 

engine and its related parts.

 

 

Summary of Contents for KODIAK MARINE LT4 SUPERCHARGED

Page 1: ...KODIAK MARINE OPERATOR S MANUAL LT4 SUPERCHARGED ENGINE KEM EQUIPMENT INC KM 11338 1 10800 SW HERMAN RD TUALATIN OR 97062 PHONE 503 692 5012 FAX 503 692 1098 www kemequipment com ...

Page 2: ...2 ...

Page 3: ... fuel pressures Do not attempt to remove or service these parts This poses a potentially hazardous situation that if not avoided could result in severe personal injury or death damage to engine and or property WARNING FOLLOW INSTRUCTIONS Read this entire manual and all other publications pertaining to the work to be performed before installing operating or servicing this equipment Failure to follo...

Page 4: ...h an over speed protection device to protect against runaway or damage to the engine with possible personal injury loss of life or property damage Diagnostic codes such as over temperature or low oil pressure may cause engine speed reduction WARNING PROPER USE Any unauthorized modifications to or use of this engine outside its specified mechanical electrical or other operating limits may cause per...

Page 5: ...circuit boards Do not touch the components or conductors on a printed circuit board with your hands or with conductive devices CAUTION ENGINE DAMAGE MAY OCCUR All LT4 engines must be vacuum filled with coolant If you need assistance or have questions call your local service dealer Failure to vacuum fill this engine with the recommended coolant may void all warranty See page 58 for instructions CAU...

Page 6: ... and is produced by all types of internal combustion engines heaters charcoal grills and any other open flame appliances There are many possible situations for the accumulation of carbon monoxide to occur in your vessel Wind direction boat speed and being close to other vessels are just a few of the possible ways that would permit exposure to carbon monoxide gases It is important that regular insp...

Page 7: ...ght MIL Starting the Engine Page 18 19 Starting mode fuel injection Clear flood Cold start Stopping the Engine Page 20 Normal conditions Abnormal conditions overheating General Maintenance Page 21 24 Initial start up Inspection Routine maintenance Quick reference chart General specifications Maintenance schedule Changing Engine Oil and Filter Page 24 26 Engine oil level check Adding engine oil Eng...

Page 8: ... Periodic Maintenance Inspections Page 35 37 100 300 500 700 and 900 hour inspections 400 and 800 hour inspections Warranties Page 38 45 California emissions warranty General emissions warranty Kodiak Marine warranty Exclusions On Board Diagnostic OBD System Check Page 46 47 Diagnostic Error Codes Page 47 55 Marine Service Dealer Locations Page 56 57 Notices to Service Dealers and Boat Builders Pa...

Page 9: ...cations or designs without notice and without incurring obligation Please read and follow any and all specific Warnings Cautions and Notations contained in this text KEM Equipment Inc Kodiak Marine reserves the right to request any pertinent maintenance information of your engine prior to authorization of warranties Overall safety and equipment reliability depend on continuous observation of sound...

Page 10: ...nc engines are built with a variety of standard and or optional components to suit a broad range of customer requirements This manual does not identify equipment as standard or optional All the equipment described in this manual may or may not be found on your engine The description and specifications contained in this manual were in effect at the time of publication SIDI FUEL INJECTION SIDI stand...

Page 11: ...hould also be recorded somewhere other than in the boat If you have a request or need to order service parts this serial number will be requested to aid our parts department in fulfilling your order The serial number will confirm that you are ordering the correct parts for your engine WARRANTY REGISTRATION The warranty registration card shipped with your engine must be filled out and returned to K...

Page 12: ... Coolant transfer pipe Remote oil filter MEFI 7 ECM 50 AMP circuit breaker Flame arrestor Coolant overflow reservoir Exhaust manifold Supercharger drive belt Heat exchanger pressure cap Water pump Alternator O2 sensor Intercooler pressure cap ...

Page 13: ...ngine controls engine components and their functions These illustrations will help identify where these parts are located on the engine Locations may vary from engine to engine Heat exchanger Oil cooler Starter Intercooler Pump Relay and Fuse box Thermostat housing Customer Interface Connector ...

Page 14: ... parts and service manuals for Kodiak Marine engines A parts book and a digital copy of this manual are also available online at kemequipment com WARNING The bilge and engine compartment can accumulate explosive fumes The bilge blower will evacuate the fumes The bilge blower must be run for a minimum of 10 minutes prior to cranking the engine WARNING Do not start or run the engine in a closed or p...

Page 15: ...al leakage before continuing 7 Inspect the flame arrestor for any obstructions bugs leaves etc clean or replace as needed 8 Check the battery fluid level and state of charge fill as needed 9 Inspect the battery connections for corrosion and clean if necessary NOTE It is suggested to use Baking Soda and water to safely clean any corrosion around the Battery connections NOTE If the engine is equippe...

Page 16: ...d by sensor output and or conditions that adversely affect the operational output of the engine Some components to check or issues that can cause the MIL to illuminate are crank sensor cam sensor fuel injectors fuel pressure regulators ignition system Manifold Air Pressure MAP sensors or low fuel pressure NOTE If the Check Engine light is illuminated it will remain on until the problem is correcte...

Page 17: ...f this light turns off on its own the issue will stay in memory for 40 warm up cycles or until a technician clears it manually with a scan tool NOTE The lamps will not flash the error codes To retrieve and reset the error codes a diagnostic scan tool is required Some vessel manufacturers are using CAN BUS displays that can retrieve the error codes but cannot clear them See the vessel manufacturer ...

Page 18: ... poorly ventilated area where exhaust gases may accumulate All internal combustion engines give off various fumes and gases while running Avoid breathing these gases as they may contain poisonous carbon monoxide and other gases which can endanger your health or life if inhaled steadily for a few minutes CAUTION The bilge should be checked for excess water prior to starting the engine Excess water ...

Page 19: ...lowing the fuel pump to build pressure The ECM uses the engine coolant temperature ECT the throttle position TPS and the temperature manifold absolute pressure TMAP sensors to determine the proper air fuel ratio for starting The ECM controls the amount of fuel delivered in the starting mode by changing the pulse width of the injectors CLEAR FLOOD FUEL INJECTION If the engine becomes flooded clear ...

Page 20: ...y 5 Once the engine has cooled considerably check and adjust the oil and coolant levels 6 When the engine has completely cooled add your coolant slowly until the heat exchanger is full WARNING Allow the engine to cool completely before attempting to remove the heat exchanger cap Cover the cap with a thick cloth and slowly turn counterclockwise allowing the pressure to release SLOWLY When pressure ...

Page 21: ...e 23 and perform the initial start up operations in the sequence shown in column 1 Daily ROUTINE MAINTENANCE Routine maintenance provides the best solution for making sure that the engine is ready when you are The following are some routine service points Keeping fuel tank full reduces condensation which keeps moisture from entering the fuel system Make frequent checks for engine oil fuel and cool...

Page 22: ...Y 8 5 QUARTS PLUS REMOTE FILTER OIL FILTER 21515 SERPENTINE BELT KM62LT4315 SUPERCHARGER BELT KM62LT4317 FUEL PRESSURE BEFORE FUEL RAIL 65 PSI MINIMUM 67 PSI MAXIMUM FUEL TYPE 92 OCTANE PREMIUM OR HIGHER REQUIRED RECOMMENDED ENGINE OIL 0W 40 DEXOS 1 GM SPEC 15827 HIGH PRESSURE FUEL PUMP 11108 100 MICRON PRE FUEL PUMP FILTER 12037 10 MICRON POST FUEL PUMP FILTER 12306 LT4 GENERAL ENGINE SPECIFICATI...

Page 23: ...ngine compression X ENGINE COOLANT Check engine coolant level X Replace coolant X Inspect coolant hoses for leaks cracks swelling or deterioration X X X ENGINE ELECTRICAL SYSTEM Inspect battery for case damage and corroded cables X X Inspect electrical and ignition system X X Replace spark plugs X FUEL SYSTEM Replace fuel filters X Check fuel pressure Service Dealer Inspect all fuel hoses and fitt...

Page 24: ...the engine is started for the first time for the day Because the dipstick tube has an airtight O ring seal you must check engine oil level by removing the dipstick wiping it clean and re inserting it ADDING ENGINE OIL It is normal to add some oil in the period of time between oil changes The amount will vary with the severity of operation When adding or replacing engine oil be sure the oil meets o...

Page 25: ... arrestor is to contain any possible flame that gets into the intake manifold due to an engine failure but it serves other purposes as well CAUTION Service the flame arrestor more frequently under severely dusty or dirty conditions Your flame arrestor filters air entering the engine induction system and acts as a silencer Air that contains dirt and grit produces an abrasive fuel mixture and can ca...

Page 26: ... water to any engine that has become overheated until the engine cools Adding coolant or water to an extremely hot engine can result in a cracked block or cylinder head CAUTION DO NOT mix DEX COOL coolant pink orange colored with traditional green ethylene glycol coolant Refer to the mixture chart on the container for additional antifreeze protection information DO NOT use alcohol or methanol anti...

Page 27: ...l is clean and free of any dirt particles 5 Make sure the filler neck is clean then replace cap 6 Check all hoses and connections for leaks 7 Check all hoses for cracks frayed points or spongy areas replace as necessary 8 Check coolant overflow tank level fill to cold line prior to operation INTERCOOLER HEAT EXCHANGER Repeat steps 1 through 7 above but for the Intercooler heat exchanger circuit Th...

Page 28: ...when changing the fuel filter Gasoline is highly flammable and under pressure It should not be exposed to open flame sparks or hot engine components Allow the engine to cool to ambient temperature prior to changing fuel filters WARNING Fuel is under HIGH Pressure consult equipment service dealer before servicing any part of the fuel system WARNING The bilge can accumulate explosive fumes The bilge...

Page 29: ...lied with a fuel pressure regulator to provide a constant pressure to the high pressure pump fuel rail and injectors The pressure regulator is preset at the factory The fuel pressure must be between 65 67 psi before running the engine Contact your service dealer or KEM Equipment if you have fuel pressure questions FUEL TYPE The LT4 engine requires a minimum of 92 octane premium unleaded gasoline F...

Page 30: ...arting spark knock run on premature failure of catalyst and exhaust emissions may also occur Spark Plugs Spark plugs should be replaced at the recommended intervals as described in the Maintenance Schedule on page 23 Use only the recommended spark plugs listed in the quick reference table on page 22 Spark plug gap must be set to the specification listed in the same quick reference guide TROUBLESHO...

Page 31: ... will degrade engine performance Contaminated fuel will often foul engine components Change of operator Engine troubles that develop as a result of normal use and wear usually give plenty of advance notice or warning These problems usually develop as a result of neglected periodic maintenance Whenever engine performance appears less than normal in any area you should consult with your Kodiak Marin...

Page 32: ...e battery cables for loose connections Check battery charge charge if necessary Check the starter motor and solenoid switch for loose or disconnected wires Check ground connections for loose corroded disconnected or broken wires If all electrical connections have been checked for loose connections corrosion broken wires and disconnected wires and after you have reviewed and performed the Operation...

Page 33: ...vel See clear flood mode on page 18 Check for signs of fuel leaks Check fuel lines Inspect for crimps kinks blockage or any disconnected lines Inspect for any leakage leaks may allow air in the lines blocking fuel flow Follow and repair any leaks before continuing Check low pressure side fuel pressure Contact your service dealer for more advanced diagnosis Check high pressure side fuel pressure se...

Page 34: ...es Inoperative intercooler pump check pump connections for power and ground If you perform the Pre Operational and Operation Procedures as outlined you will find that these items are subsequently checked on a regular basis and become routine The habit of performing the Pre Operational and Operational procedures is your best method of ensuring all steps are taken and followed periodically which wil...

Page 35: ...plugs in holes or seal with suitable threaded plugs 9 Cover all openings into the engine with dust proof cap or shields CAUTION Make sure the raw water side of the heat exchanger and fuel oil cooler are drained when ambient temperature is or may go below 32 F 0 C LONG TERM OR INDEFINITE PERIOD 1 Add proper amount of marine formula Stabil fuel additive or equivalent to the fuel tank 2 Drain oil fro...

Page 36: ...to any engine check or operation Do not energize engine prior to performing the following steps 1 Open engine hatch cover and let compartment air out for ten minutes or more 2 Make sure that no electrical equipment is energized 3 Change engine oil and filter 4 Check coolant levels top off fluids to proper levels 5 Check for oil coolant and fuel leaks correct any leaks prior to proceeding further 6...

Page 37: ...wing steps 1 Open engine hatch cover and let compartment air out for ten minutes or more 2 Make sure that no electrical equipment is energized 3 Change engine oil and filter 4 Check for oil coolant and fuel leaks correct any leaks prior to proceeding further 5 Check battery charge and fluid level inspect connections for corrosion clean as necessary 6 Check flame arrestor make sure it s cleaned or ...

Page 38: ...e product for your protection Warranty Registration must be received within 10 days after date of purchase by the first owner Non compliance may void all warranties Please read the Limited Warranty document that is included with your engine registration papers and in this manual below This document explains your warranty coverage Please note that no warranty repairs are to be performed without pri...

Page 39: ...urs whichever occurs first If any emission related part on your engine is defective under warranty the part will be repaired or replaced by KEM Equipment Inc Kodiak Marine OWNER S WARRANTY RESPONSIBILITIES As the inboard stern drive engine owner you are responsible for the performance of the required maintenance listed in your owner s manual KEM Equipment Inc Kodiak Marine recommends that you reta...

Page 40: ...f the part fails during the period of warranty coverage the part will be repaired or replaced by KEM Equipment Inc Kodiak Marine according to Subsection 4 below Any such part repaired or replaced under warranty will be warranted for the remainder of the period 2 Any warranted part that is scheduled only for regular inspection in the written instructions supplied is warranted for the warranty perio...

Page 41: ... Title 13 that are not exempted by the Air Resources Board may not be used The use of any non exempted add on or modified parts by the ultimate purchaser will be grounds for disallowing a warranty claim made in accordance with these warranty procedures and Policies KEM Equipment Inc Kodiak Marine will not be liable under these warranty procedures and policies to warrant failures of warranted parts...

Page 42: ...pment Inc Kodiak Marine demonstrates that the engine has been abused neglected or improperly maintained and that such abuse neglect or improper maintenance was the direct cause of the need for repair or replacement of the part Except as provided in the paragraph above any adjustment of a component that has a factory installed and properly operating adjustment limiting device such as an idle limite...

Page 43: ...rchase and extends to original and subsequent purchasers However in no event shall the duration of this warranty exceed one 1 year or 100 hours whichever occurs first measured from the original retail sale date All subsequent purchasers must notify Kodiak Marine in writing and provide proof of hours logged in the ECM to continue the warranty If Kodiak Marine does not receive notification within 15...

Page 44: ... INCORPORATION OF UNSUITABLE ATTACHMENTS OR PARTS THE UNAUTHORIZED ALTERATION IMPROPER INSTALLATION AND OR RIGGING OR ANY CAUSES OTHER THAN DEFECTS IN MATERIAL OR WORKMANSHIP CORROSION TO ELECTRICAL COMPONENTS CORROSION DUE TO ELECTROLYSIS WATER BORN FOREIGN CHEMICALS IMPROPER SERVICE OR CORROSION CAUSED BY DAMAGE OR ABUSE REIMBURSEMENT FOR TOWING CHARGES IN AND OUT OF WATER CHARGES OR TECHNICIAN ...

Page 45: ...RANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH VARY FROM STATE TO STATE KEM Equipment Inc Kodiak Marine reserves the right to change or improve design of any product previously assembled without notice and without obligation In the event that a warranty claim is required outside of the continental United States with the exception of Alaska and Hawaii there may be additional charges to the engine owne...

Page 46: ...ially hazardous situation that if not avoided could result in severe personal injury or death damage to engine and or property Verify that none of the following preliminary inspections tests reveal the cause of the vehicle concern before beginning diagnosis 1 Ensure that the battery is fully charged 2 Ensure that the battery cables are free of corrosion and tight 3 Inspect for any open blown fuses...

Page 47: ...Ns Any remaining SPNs DIAGNOSTIC ERROR CODES SPN 94 SPN Descriptors SPN 94 FMI 3 Fuel Pressure Sensor Voltage Above Normal or Shorted High SPN 94 FMI 4 Fuel Pressure Sensor Voltage Below Normal or Shorted Low SPN 94 FMI 15 Fuel Pressure Data Valid But Above Normal Range Least Severe Level SPN 94 FMI 17 Fuel Pressure Data Valid But Below Normal Range Least Severe Level SPN 98 SPN Descriptor SPN 98 ...

Page 48: ...scriptors SPN 110 FMI 3 Engine Coolant Temperature ECT Sensor Circuit Voltage Above Normal or Shorted High SPN 110 FMI 4 Engine Coolant Temperature ECT Sensor Circuit Voltage Below Normal or Shorted Low SPN 110 FMI 15 Engine Coolant Temperature ECT Sensor Circuit Voltage Data Valid But Above Normal Range Least Severe Level SPN 174 SPN Descriptors SPN 174 FMI 3 Fuel Temperature FT Sensor Circuit Vo...

Page 49: ...ltage Below Normal or Shorted Low SPN 65541 FMI 5 Ignition Coil 1 Current Below Normal or Open Circuit SPN 65542 FMI 4 Ignition Coil 2 Voltage Below Normal or Shorted Low SPN 65542 FMI 5 Ignition Coil 2 Current Below Normal or Open Circuit SPN 65543 FMI 4 Ignition Coil 3 Voltage Below Normal or Shorted Low SPN 65543 FMI 5 Ignition Coil 3 Current Below Normal or Open Circuit SPN 65544 FMI 4 Ignitio...

Page 50: ...low Normal or Shorted Low SPN 65563 FMI 5 Oxygen Sensor Bank B Sensor 1 Current Below Normal or Open Circuit SPN 65564 FMI 0 Oxygen Sensor Bank B Sensor 2 Data Valid But Above Normal SPN 65564 FMI 1 Oxygen Sensor Bank B Sensor 2 Data Valid But Below Normal SPN 65564 FMI 3 Oxygen Sensor Bank 2 Sensor 2 Voltage Above Normal or Shorted High SPN 65564 FMI 4 Oxygen Sensor Bank B Sensor 2 Voltage Below ...

Page 51: ...edal Position PP Sensor 2 Data Erratic Intermittent or Incorrect SPN 65604 FMI 12 Pedal Position PP Sensor 2 Bad Intelligent Device or Component SPN 65605 FMI 2 Pedal Position PP Sensor 1 Data Erratic Intermittent or Incorrect SPN 65605 FMI 12 Pedal Position PP Sensor 1 Bad Intelligent Device or Component SPN 65613 FMI 2 Pedal Position PP Sensor 1 and 2 Data Erratic Intermittent or Incorrect SPN 6...

Page 52: ...ic Converter B Exotherm Root Cause Unknown SPN 65690 SPN Descriptors SPN 65690 FMI 3 Variable Governor Control Voltage Above Normal or Shorted High SPN 65690 FMI 4 Variable Governor Control Voltage Below Normal or Shorted Low SPN 65701 or 65702 SPN Descriptors SPN 65701 FMI 31 General Warning Sensor 1 Not Available SPN 65702 FMI 31 General Warning Sensor 2 Not Available SPN 65710 SPN Descriptors S...

Page 53: ...l or Shorted High SPN 66005 FMI 5 Governor Status Lamp GSL Current Below Normal or Open Circuit SPN 66006 SPN Descriptor SPN 66006 FMI 3 DTC Lamp 3 Voltage Above Normal or Shorted High SPN 66006 FMI 5 DTC Lamp 3 Current Below Normal or Open Circuit SPN 66007 SPN Descriptor SPN 66007 FMI 3 Buzzer Driver Short Voltage Above Normal or Shorted High SPN 66007 FMI 5 Buzzer Driver Current Below Normal or...

Page 54: ... Heater Voltage Above Normal or Shorted High SPN 66020 FMI 5 Oxygen Sensor Bank B Sensor 1 Heater Current Below Normal or Open Circuit SPN 66020 FMI 8 Oxygen Sensor Bank B Sensor 1 Heater Abnormal Frequency or Pulse Width SPN 66021 or 66022 SPN Descriptors SPN 66021 FMI 3 Oxygen Sensor Bank A Sensor 2 Heater Voltage Above Normal or Shorted High SPN 66021 FMI 5 Oxygen Sensor Bank A Sensor 2 Heater ...

Page 55: ...river 2 Voltage Above Normal or Shorted High SPN 66041 FMI 5 OEM Output Driver 2 Current Below Normal or Open Circuit SPN 66042 FMI 3 OEM Output Driver 3 Voltage Above Normal or Shorted High SPN 66042 FMI 5 OEM Output Driver 3 Current Below Normal or Open Circuit SPN 66043 FMI 3 OEM Output Driver 4 Voltage Above Normal or Shorted High SPN 66043 FMI 5 OEM Output Driver 4 Current Below Normal or Ope...

Page 56: ...746 0381 Meridian Indian Creek Sports 208 922 9353 Nampa Inland Marine 208 401 8155 Michigan Marne Camp Cruise 616 677 1274 Montana Laurel Mt American Jet Repair 406 780 1547 Oregon Bend All Season RV and Marine 541 382 5009 Central Lake Marine 541 385 7791 Central Point Rick s Boat Repair 541 664 8022 Coos Bay Y Marina 541 888 5501 Dundee Nelson Marine 503 554 9410 Estacada Nick s Marine Performa...

Page 57: ... Washougal Riverside Marina 360 835 8553 Woodinville Doug s Boats 800 215 3684 3 Rivers Marine 425 415 1575 Sundown Marine 509 783 1649 Canada British Columbia Chilliwack Cascade Marine 800 663 2269 Venture Riverboats 604 792 3662 Mission Besse Marine Service 604 835 4176 Alberta Red Deer Outlaw Marine 403 347 4565 Russia Krasnoyarsk Ka Hem Boats 7 902 940 6498 ...

Page 58: ... the engine and heat exchanger with coolant you must be sure the coolant system is leak free at all hose and fitting locations The filling with coolant and purging of air from the engine is done with vacuum rather than by pressure If there is a leak present in the plumbing of the closed coolant system the applied vacuum will not pull the coolant into the engine Use the detailed instructions that c...

Page 59: ...go in this order TANK 100 MICRON FILTER FUEL PUMP 10 MICRON FILTER FUEL PRESSURE REGULATOR ENGINE When using an auxiliary engine such as an outboard motor never plumb or tee into the main engine fuel system The auxiliary engine shall have its own fuel pick up tube and fuel filter water separator from the fuel tank Plumbing into the main engine fuel supply will cause damage to the engine and fuel p...

Page 60: ...ubbing against any sharp edges Fittings When choosing fittings the use of a 90 full flow design is preferable over the restricted tight 90 fittings Setting the fuel pressure The fuel pressure is set at the factory and cannot be adjusted If you suspect a problem that is fuel pressure related contact KEM Equipment Inc Kodiak Marine service department at 503 692 5012 ...

Page 61: ...AULT LAMP IN THE EVENT OF AN EMISSIONS RELATED OR VITAL ENGINE COMPONENT FAILURE FAILURE TO INSTALL THESE MALFUNCTION INDICATOR LIGHTS WILL VOID ALL ENGINE WARRANTIES The wiring schematics included in the Kodiak Marine Operator s Manuals show the correct wiring at the ECM and the Customer Interface Connector TAG PART KM10539 IS INSTALLED AT THE STARTER ON THE BATTERY CABLE TERMINAL AS A CAUTION NO...

Page 62: ...air to the engine compartment It is recommended that the air flow path at the air inlet not be obstructed causing loss of pressure or flow disturbance In addition the intake of air must avoid the suction of air coming from hot spot areas inside the engine bay and water ingestion Increased intake restriction and or inlet air temp will result in the degradation of engine power General Motors High Qu...

Page 63: ...63 Appendix A KM 11255 Engine Wiring Schematic Appendix B KM 10754 Customer Interface Connector Pinout ...

Page 64: ...LT4 MARINE OPERATOR S MANUAL PART KM 11338 ...

Page 65: ...se 10A R S RD PI YL 16 AWG B RD 18 AWG ALT CONTROL RD ALT SENSE ALT POWER R PI 18 AWG YL BK M A Coolant B PI 16 AWG 50A Circuit Breaker 20A FUSE SLOT 3 10A FUSE SLOT 1 85 87A 30 87 86 ALTERNATOR 8 AWG RD PU 18 AWG C1 A1 E1 Not Used Not Used 85 87A 30 87 86 C2 C3 C4 A2 A3 E3 A4 RD 10 AWG F1 F3 20A FUSE SLOT 5 85 87A 30 87 86 YL BK 18 AWG C7 C8 A7 A8 E5 F5 D E7 RD 12 AWG F7 LBU 14 AWG POWER GROUND A...

Page 66: ...I X PPS1 Pedal Sensor 1 Signal PPS1 Return 5V Ground for Pedal Sensor 1 MCI L MCI L PPS1 Return 5V Ground for Pedal Sensor 1 PPS2 Reference 5V Power to Pedal Sensor 2 MCI K MCI K PPS2 Reference 5V Power to Pedal Sensor 2 PPS1 Reference 5V Power to Pedal Sensor 1 MCI J MCI J PPS1 Reference 5V Power to Pedal Sensor 1 Engine Coolant Temperature Signal to Gauge When Provided MCI N MCI N Not Used Start...

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