Workshop Repair and Service Manuals GMC SIERRA
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Electrical

Drive Motor Battery Replacement and Shipping Preparation Low Voltage Battery - part 2      Danger:The high voltage (HV) battery must be protected when outsideof the vehicle. Storage Guidelines Store the HV battery flat, do not exceed45-degrees when handling.Store the HV battery in an environmentally...
Drive Motor Battery Replacement and Shipping Preparation Low Voltage Battery      Special ToolEL-48265Battery Lifting FixtureEL-48569Terminal Covers For equivalent regional tools, refer toSpecial Tools. Removal Procedure Danger:Always perform the High Voltage Disabling procedure prior toservicing any High...
Drive Motor Battery Sensor Module Wiring Harness Replacement Low Voltage Battery      Drive Motor Battery Sensor Module Wiring Harness Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection....
Drive Motor Battery with Case Overhaul Low Voltage Battery - part 2      rive Motor Generator Battery Control Module Assembly and Drive Motor Battery CurrentSensor Assembly .. \. Drive Motor Generator Battery Control Module Assembly and Drive Motor Battery CurrentSensor Assembly Callout...
Drive Motor Battery with Case Overhaul Low Voltage Battery      Table 1: Case Covers Table 2: Battery Fan Assembly Components Table 3: Drive Motor Battery Negative High Voltage Contactor Relay Assembly and Generator BatteryVent Fan Relay Table 4: Drive Motor Generator...
Drive Motor Generator Control Module Assembly Replacement Alternator Generator - part 3      Never touch the exposed electroniccircuit board surface or components. Dropped fasteners or physicalcontact may result in electronic circuit board damage. Install the high voltage-(HV) dc battery cableterminal fasteners-(2)....
Drive Motor Generator Control Module Assembly Replacement Alternator Generator - part 2      Remove the sight shield circuit breakerfasteners-(1).Remove the sight shield circuitbreaker-(2). Remove the APM ground strap fastener-(2) andground strap-(1).Remove the drive motor generator control module assemblymounting...
Drive Motor Generator Control Module Assembly Replacement Alternator Generator      Removal Procedure Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection. PersonalProtection Equipment (PPE) and proper procedures must befollowed. The High...
Drive Motor Generator Control Module Sight Shield Replacement Alternator Generator      Removal Procedure Remove the fender brace. Refer toFront Fender Rear Upper Brace Replacement. Note:Removing the sight shield disengages the High VoltageInterlock Circuit-(HVIC). The sight shield mountingfastener must be...
Drive Motor Generator Power Inverter Module Removal and Installation Alternator Generator - part 2      Remove the power inverter module cover retainingbolts-(1).Remove the power inverter module cover-(2). Caution:Always remove and install the High Voltage terminal fastenerswith a magnet tipped socket. Never touch the exposed...
Drive Motor Generator Power Inverter Module Removal and Installation Alternator Generator      Special ToolsGE-48494Power Electronics Pressure Test AdapterKitJ 24460-01Cooling System Pressure TesterRemoval Procedure Remove the drive motor generator control module from thevehicle. Refer toDrive Motor Generator Control...
Drive Motor Power Inverter Current Limit Relay Replacement Relays      Drive Motor Power Inverter Current Limit Relay Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection....
Drive Motor with Generator Assembly Cleaning and Inspection - 1st Position Alternator Generator      Drive Motor with Generator Assembly Cleaning and Inspection - 1st Position Callout Component Name Caution:Do not use any type of solvent or cleaning agents in or onmotor. Solvents or cleaning agents may damage the...
Drive Motor with Generator Assembly Cleaning and Inspection - 2nd Position Alternator Generator      Drive Motor with Generator Assembly Cleaning and Inspection - 2nd Position Callout Component Name Caution:Do not use any type of solvent or cleaning agents in or onmotor. Solvents or cleaning agents may damage the...
Drive Motor with Generator Assembly Installation - 2nd Position Alternator Generator      Drive Motor with Generator Assembly Installation - 2nd Position Callout Component Name 1 Drive Motor (w/Generator) Assembly-–-2nd Position Warning:The generator motor weighs approximately36-kg-(80-lbs). Personal...
Drive Motor with Generator Assembly Installation - 1st Position Alternator Generator      Drive Motor with Generator Assembly Installation - 1st Position Callout Component Name 1 Drive Motor (w/Generator) Assembly-–-1st Position Warning:The generator motor weighs approximately36-kg-(80-lbs). Personal...
Drive Motor with Generator Assembly Removal - 1st Position Alternator Generator      Drive Motor with Generator Assembly Removal - 1st Position Callout Component Name 1 Generator Drive Motor Bolt-M6-x-1.0-x-20.0 (Qty:-3) Note:Remove only the three bolts on the motor that are indicated. 2...
Drive Motor with Generator Assembly Removal - 2nd Position Alternator Generator      Drive Motor with Generator Assembly Removal - 2nd Position Callout Component Name 1 Generator Drive Motor Bolt-M6-x-1.0-x-20.0 (Qty:-3) Note:Remove only the three bolts on the motor that are indicated. 2...
Engine Compartment Fuse Block      Pickup Models e25] lamp [47] [43 fan rly [68] [28] e29] hdlp nc cmprsr -3- _6_ pwri stbtb rear defog [13] e40] [51] runi crnk ;13; -22 e23] e24] fuel prk -tp [33] -tp [41] e46] [52] -4- :19: The underhood fuse block is...
Engine Ground Strap Replacement (Diesel)      Engine Ground Strap Replacement Callout Component Name Preliminary Procedures Raise and support the vehicle. Refer toLifting and Jacking the Vehicle. 1 Upper Plenum Ground Strap Nut Caution:Refer toFastener...
Engine Ground Strap Replacement (V6)      Removal Procedure Remove the ground strap bolt from the rear of the leftcylinder head.Reposition the ground strap from the cylinder head. Remove the ground strap nut from the stud at the front ofdash.Remove the ground...
Engine Ground Strap Replacement (V8)      Removal Procedure Remove the engine wiring harness ground bolt.Reposition the engine wiring harness ground and groundstrap. Remove the ground strap nut from the stud at the front ofdash.Remove the ground strap from the...
Front Seat Heater Kit Installation - part 4      Refer to Splicing Copper Wire Using Splice Sleevesin Vehicle Service Manual. Reassemble junction block cover and wire tie-(1) accessory harness-(2) to existingvehicle wiring, away from park brake mechanism, securing it out...
Front Seat Heater Kit Installation - part 3      Route Body harness jumper-(1) underneath driver’s side door sill plate along sideexisting sill plate wiring harness, making sure it’s tucked into trench and away fromsill plate clips. Continue routing body harness...