\Comporant *This document is best viewed at a screen resolution of 1024 X 768. To set your screen resolution do the following: RIGHT CLICK on the DESKTOP. Select PROPERTIES. CLICK the SETTINGS TAB. MOVE THE SLIDER under SCREEN RESOLUTION until it shows 1024 X 768. CLICK OK to apply the resolution “Due to different monitor sizes and PDF reader preferences The Bookmarks panel will allow you to there may be some variance in linked schematic locations quickly navigate to points of interest, Click on any text that is BLUE and underlined. These are hyper that can be used to navigate the schematic and machine views. When only one callout is showing on a machine view, clicking on this button will make all of the callouts button is located in the top ks HOTKEYS (Keyboard Shortcuts) Se 2 | Z FUNCTION KEYS =— ae os Glick here toviewthe | © x © | Zoom in “CTRL” / “+” Schematic Symbols |_wthte |_»Stte © | Zoom out |*cTRL"/ and Definitions page LI |Fitto Page | “CTRL” / “0” (zero) [Hand Tool | “SPACEBAR” (hold down) Find “CTRL” /“F” war *AL ere x HA vt cole fu je TAS ETHEL COMOROSCATERPILLAR’ “nat Schematic 950H and 962H Wheel Loader Electrical System 950H: 962H: MXL1-UP SSA1-UP JLX1-UP PCW1-UP Volume 1 of 2: Cab Wiring Volume 2 of 2: Chassis Wiring © 2012 Caterpillar, All Rights Reserved Printed in U.S.A,Component Location - Volume 1 ‘Schemate | Machine ‘Schematic | Machine Component Location | Location Component Location | Location ‘Alarm -Adtion| 3 Resistor x a ‘Alarm - Quick Coupler Zz Resistor? 5 ‘Are Suppressor - Forward Hom 2 ‘Sensor - rd Laver Posion ry ‘Are Suppressor - Hazard 4 ‘Sensor -LH Brake Pedal at ‘Are Suppressor - Hazard LED Panel Et 3S ‘Sensor Lit Lever Postion Fs roy ‘Are Suppressor - Turn Signal 1 6 ‘Sensor - Thrattle Postion a ‘Are Suppressor - Turn Signal 2 Z ‘Sensor Tit Lever Postion = 50. Block AS - Fuse a ‘Switch ~Auto Reverse Fan et Contal GP- Implement 2 ‘Switch ~ Auto Dig Kekout Set et a Conttol GP Joys HS 70 ‘Switch ~ Auto Dig Mode D3 53 Control GP= Machine #6 a ‘Switch - Auto Dig Mode Sotect = ey ‘Control GP= Mentor (Messenger) co 2 ‘Switch - Auto Man Goar Sel es s Conttol GP Payload Es 13 Switch -Autodig Trager FS (Gonttol GP = Product Link 14 4 ‘Switch = Beacon = SL Conta! Gp Transmission (MU STEERING] —_G-3 5 ‘Switch = Blower Fan Speed er 38 (Converter -Powor 4 16 Switch = Down Shit Ee 52 Converter Power2 a ‘Switch -Fine Modulation 1 er a. Flasher - 24 2 ‘Switch - Fine Modulation 2 ah (Ground Cab 1 12 Switch = ENR Es a2 ‘Ground = Cab 2 2 Switch = Forward Hom t ny a ‘Ground = Cab 4 Lig 20 ‘Switch - Forward Hom 2 = ay ‘Ground Cabs. eu 179) ‘Switch = Hazard Lamp z 3 ‘Ground -Dash ry 2 ‘Switch - Heated Miror Dz a8 “Ground Eng End Frame 1 a ‘Switch - HID Lamp er aL ‘Ground Upper Cab rey 2 Switch = AVAG Select Sr a8 Hom Implement Audible Alert Das 2 ‘Switch = Implement Lockout 1 Er 2 Traleator Panel Lh zy 28 ‘Switch = mploment Lockout 2 Ez a Tnaicator Panol RH Ht 2 Switch = Koy Start = a Module GP - Display (Gauge Clusty) w 28 ‘Switch = Lit Tk Kekout Set Dt Zz ‘Module GP -MSS zy 2a ‘Switch -Low/ Hi Beam De a Motor Blend Door Actuator as 0 ‘Switch = Mode Select ry % Motor- Blower ag aH Switch = Nowalzer Overido oz a Motor Front Wiper et 2 ‘Switch - Payload Clear Store at a Motor- Rear Wipor 3 Fa ‘Switch = Payload Rowoigh Zoro ny Zz Potentomator AS - Tome Conta Bz Fy ‘Switch - Quick Coupler Dt a Relay - Arle Cooler ary = Switch - Rear Wiper Washer Sa a Relay - Forward Cab Flocdlamp: os 8 Switch = Ride Control oe a Relay Forwara Hom ary az ‘Switch - Running Lamp 3 aL Rolay Heated Miror ary 8 Switch - Secondary Stoorng Test ez a Relay - Rear Gab Floodlamp os Fa ‘Switch = Stop Lamp Et a Relay Variable Pch Fan ary 0 ‘Switch - Third Fune Cont 2 Be Resistor Blowor 14 a Swit Tum Signal =z as Resistor can A & 4 Switch Wiser [a Ba Resistor Can8 Ba 3 Thermostat (HVAC) Lis fHComponent Location - Volume 2 Component Steeaton”_[_Locaton Compenent Stocaton’_| tocaton Tater Bay Goad = Sensor Fuel Pressure Te Alam - Backup 2 Sensor Hye O1 Temp 8 Atemaior 0 Senor Input Speed ca Ave Suppressor Quik Couper ai Sensor Injection Actuation Pressure iL Are Suppressor z Sensor hake Man Ar Tom Fy A Suppressor Siar = Sonsor= Lit Cyl Ho Prose cy Ace Suppressor at Sensor - 01 Prossure 1a eatery 1204 35 ‘Sensor=Ouipu Speed (Leading) a Bate 1202 38 ‘Sensor= Outpt Speed (rain) aa reker = Aint Healer sr Sensor Park Bake Press Fn Breaker Belly Guard se Sensor= Ral Pressure ae Breaker= Hood Actuator z Sensor Rear Axio Ol Temp ae Braker: Ma ato || sensor- Rotary Lif Pos ae Breaker - Running Lamp 301 | [sensor Rotary Tit Poston “ur Breer Sia ro Sensor-Torg Con Temp ae Breker- Unswithed Buss (Cab) 0 ||“ sensor = Tuo it Pressure ae ton GP = Ale Cooler nz ||" sensor= 04S O1 Temp 0 Conval GP - Engine 08 | [sensor Group Speed 51 (Cover GP Air Init ‘Solenoid AC Gluh (Groung ‘Solenoid - Aux Srd Fun Reanward (Ground Aerator ‘Solenoid - Aux Srd FunFwe (Ground Engine ‘Solenoid - Dump Prop. (Ground LH. ‘Solenoid - Injoctors 1-6 (Ground RH ‘Solenoid - Lower is (Ground - Secondary Steering ‘Solenoid Pilot Hye Supp a] Horn Forward High ES ‘Solensid Quick Coupler 2 Motor - Hood Actuator siz ‘Solenoid - Rackback Prop a0 Motor Starter a ‘Solenoid « Raise Prop iat Pump and Motor GP - Secondary Steering ED ‘Solenoid - Ride Conte Activation 32 Pump AS - Front Washer BS ‘Solenoid - Ride Contvol Balance 159 Pump AS Rear Washer a3 ‘Solenoid Variable Speed Fan zy Pump GP -Fuel Priming ae ‘Switen -AC Press f Receptacle - Auxillary Start 2 ‘Switch ~ Actuator 68 Relay - Al Inlet Hoator Ha ‘Switch - Aux Ground Level Shutdown EET} 16, Relay - Backup 4 ‘Switch - Disconnect 168 Relay - Hood Raise / Lower Motor Control 130 ‘Switch Fuel Pressure 160 Relay Main ar ‘Switch - Fuel Piming Pump) Ato m0 Relay See Steer Intermediate Ez 'Switen Ground Level Shutdown, oe az Relay = Start pen ‘Switch “Hood Actuator Gaz ae Resistor -DG Can 1 =r ‘Switch = Hyd Fiter Bypass Ba a ‘Sender Fuel Level 1a ‘Switch - Prim Slear Prose 3 aa ‘Sensor - Atmosphere Pressure Daz ‘Switch - Soc Stoer Press 13 175 ‘Sensor Boost Pressure Daz ‘Switch XMSN Fifer 8yp355 3 ie Sensor O11 Press He Valve GP - Clutch 1-6 ez az ‘Songor Coolant Tam Daz Valve GP Ethor Staring ca 1a ‘Sensor - Front Axle O1 Temp 2Connector Location - CAB Connector Location - CHASSIS Connector Number Schematic Connector Number Schematic CONN B16 CONT Da CONN 2 CONN 2, E-4 ‘CONN ‘CONS CONN 4 CONN 4 ‘CONN ‘CONN CONN ‘CONN 20) ‘CONNT (CONN 2 CONN 8 CONN. Somme CONN 23 CONN 10 CONN 24 Comet CONN 25 CONN 12 ‘CONN 25 Some CONNZ? CONN 14 CONN 28 CONN 15 CONN 29, CONN 16 CONN 30 CONN AZ, CONN 31, CONN 18 CONN 32 ‘GONNSS CONN SE GONNSS GONN36, ‘CONNLST ‘The connectors shown in this chart are for harness to hamess connectors. Connectors that join a harness to a component are {generally located at or near the component. See the Component Location Chart.‘Component Identifiers (CID") Module Identifier (MID#) ‘Component Identifiers (CID") Module Identifier (MID?) Engine Control Payload Control System (MID No. 074) oa ‘Component or ‘Component 0001 | Gyinder# Injector 0168 | lectical System Vorage 0002 | Cylinder #2 njector 0964 | Head End Lit Gyindor Pressure Sensor 0005 | Gyinger #3 rector 0591 | Electrical Erasable Programmable Read Only Nero 0004 | Gyinger #4 rjecor 0769 | Rod End Lif Gyinder Pressure Sensor 0005 | Cyinder #6 igetor 1084 | Lit yinder Peston Sensor 0006 | Gyinder #6 Ietor ost [6 vott 06 Svooly 042 | tector Actuation Varo Failure Mode Identifiers (FMI)* 0091 | ThotiePosiionSersor FMI No. Failure Description 2004 | Fuel Delvery Pressure Sensor @ Data vat bul above normal peational range: (100 [Engine OF Pressure Sensor 4 Data vals but below normal operational ange 10110 | Engine Coolant Temperature Sensor 2 Data era, termite, income 0164 | Injector Actuation Pressure Sensor 3 Vottage above normal or shorted high, 0168 | Elercal System Vatage 4 Vottags blow normal of shrtd ow 0172 | Intake Manoa Air Temperature Sensor 5 (Gurren below normal ar open oroul 017 uel Temperature Sensor 6 Curren above nora r grounded ere 0190 | Engine Speed Sensor 7 ‘Mechanica sytem nol espancing papery 0253 |” Personality Wodule ® ‘Abnormal frequency pulse wth, or paid 0281 | Engine Timing Caration 8 Abnormal update, 0262 | 6 Vol Sensor OG Power Suply 10 [Abnormal ate of change. 0268 | Programmed ParamolorFaut ut Fire made noted 0215 | _Amosphere Pressure Sensor 12 [Bd even oF component 0286 | Low Oi Pressure Lamp a 0342 | Secondary Engine Speed Sensor 1 Parameter alures 0617 | Inet ArHester Remy 15 | Parameter fares 1639 | Machine Swcurty System Module 16__| Parameter rot avaiobe 1795 | Intake Manifold Pressure Sensor “7 | Wodu not ospendng 2417 | Ether jecton Cont! Solenoid 18 | Sensor supp faut “The CID ea dagnoste code that nccates which Gros au 19 | Consiton not ma 20 | Parameter furs Event Codes Engine Control Event Code Conation 0096 HiahFuetPressure E0162 HighBoostProssure E0198 LowFuelPreseu E0265 UserDefnecShutdown 0360) LowéngineOiIPressure 0364 HighEngineCookantT emporature 0962 EngineOverspeed E0390) FuelFiterResricion E0539 HighltakeManfoldAirTemparatre “The Fs a dlagnostie code tat indicates what ype of fale has occuredOff-Machine Switch Specification Part No Funelion Actuate Deactuate Contact Peston 258-0883 Fuel Pressure 11038 KPe 69 KPa min Normally Closed | teritor Bypass Ere WoWamin carsiae | justia pass Normal Closed 7, | Primary Stoor Pressure 1200 Pa Max 702 100 wa AENTO 367-9074 ‘Secondary Steer Pressure: ACINIC 355-3148 AC High/Low Pressure 278 to 1780 «Pat - Normally Open? {39.9 to 253.8 psi) - ‘3E-5464 ‘Thermostat (HVAC) 1 rs0ee 222060 Normally Closed sostes seria Resistor, Sender and Solenoid Specifications ‘Component Description Resistance (Ohms) Selena AC Chateh 17608 124-2540 Resistor, DC Can 1 1202 12 251-2208 Solero: Rede Conte Avalon 3752 1.88 “Ae a Funeton Forwars 313-7668 ‘Solencid: ux 3rd Function Rearward eso Dump Prop 13-7668 solo: Lem op 5203 Raise Prop : Emly. 240-250 sw2-1682 Sender: Fuel Level ney 240-2 a8 Solenoid Wjecor 1 aeis2 00% 02-8212 Selenod: Plot Hye Supa m8 ‘96-1950 Resistor Blower ze an a 14-2540 Resistor, an 120212 7 Rion tenpratre unless ohenise nae Related Electrical Service Manuals Title Form Number Cross Reference for Electrical Connectors: REHS0970 Starting Motor: Delco 42-MT SENR3581 Engine Control RENR5089 Payload Control RENR6293 Machine Control: UENRO795AWVas LHSAW aINVad YVaya v] SZ NNOO aN 8¢ NNOO Zé@ NNOO ve NNOO 9¢ NNOO YadWNd YVvsayMAIN VALVE CAT’LEFT FRAMEHVAC VIEWFRONT FRAME CAT’ CONN 32ENGINE TOPcat’ ENGINE RIGHTENGINE LEFT CAT’DASH VIEW 17' ‘CONN 18 Zz Z| OQ OoCAB REAR CAT’CAB FRONT CAT’