Workshop Repair and Service Manuals GMC SIERRA
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Fuses Junctions and Relays

08-06-03-006B Engine Running with Key Off Continuous Run - Sensing and Diagnostic Module (SDM) No Communication Service Air Bag Light Illuminated DTCs B1440 P0381 or P0650 (Install Diode to Solenoid Relay) - (Aug 2 2012) Relays - part 2      Be sure to insulate the diode withheat shrink tubing before installing. Parts Information Part Number Description Qty 12112422 Diode 1 Warranty Information This repair will not be covered under warranty due to...
08-06-03-006B Engine Running with Key Off Continuous Run - Sensing and Diagnostic Module (SDM) No Communication Service Air Bag Light Illuminated DTCs B1440 P0381 or P0650 (Install Diode to Solenoid Relay) - (Aug 2 2012) Relays      Subject: Engine Running with Key Off, Continuous Run – Sensing Diagnostic Module (SDM), NoCommunication, Service Air Bag Light Illuminated, DTCs B1440, P0381 or P0650 (InstallDiode to Solenoid/Relay) Models:...
12-08-132-001A Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation N1720 Fuse Replacement - (Mar 26 2013) Fuses      Subject: Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation N1720Fuse Replacement Models:  2010-2014 GM Passenger Cars and Trucks     This bulletin is being revised to add the 2014...
200 Amp Mega Fuse and Auxiliary Electrical Center 12VDC Junction Block Replacement Junction Box      200 Amp Mega Fuse and Auxiliary Electrical Center 12VDC Junction Block Replacement Callout Component Name Preliminary ProceduresDisconnect the battery negative cable. Refer toBattery Negative Cable Disconnection and...
Battery Positive Junction Block Cable Replacement (Glow Plug Module - Diesel) Junction Box      Battery Positive Junction Block Cable Replacement Callout Component Name Preliminary Procedures Disconnect the battery negative cable. Refer toBattery Negative Cable Disconnection and Connection. 1 Mega-Fuse...
Drive Motor Battery Negative High Voltage Contactor Relay Replacement Relays      Drive Motor Battery Negative High Voltage Contactor Relay Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection....
Drive Motor Battery Negative Relay Cable Replacement Relays      Drive Motor Battery Negative Relay Cable Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection. PersonalProtection...
Drive Motor Battery Positive High Voltage Contactor Relay Replacement Relays      Drive Motor Battery Positive High Voltage Contactor Relay Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection....
Drive Motor Battery Positive Relay Cable Replacement Relays      Drive Motor Battery Positive Relay Cable Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection. PersonalProtection...
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....
Gasoline Compressed Natural Gas Fuel Selector Relay Replacement Relays      Removal ProcedureTurn off all electrical accessories and lamps.Turn the ignition key OFF.Disconnect the negative battery cable. Refer toBattery Negative Cable Disconnection and Connection. Remove the relay nut and bolt-(1)....
Generator Battery Vent Fan Relay Replacement Relays      Generator Battery Vent Fan Relay Replacement Callout Component Name Danger:Always perform the High Voltage Disabling procedure prior toservicing any High Voltage component or connection. PersonalProtection Equipment...
Instrument Panel Electrical Center or Junction Block Replacement - Left Side Junction Box      Instrument Panel Electrical Center or Junction Block Replacement - Left Side Callout Component Name Preliminary Procedure Remove the instrument panel (I/P) knee bolster. Refer toKnee Bolster Replacement. 1...
Relay Replacement (Attached to Wire Harness) Relays      Removal Procedure Locate the relay. Refer to theMaster Electrical Component Listto locate the relay in the vehicle.Remove any fasteners which hold the relay in place.Remove any connector position assurance (CPA) devices or...
Relay Replacement (Within an Electrical Center) Relays      Special Tools EL-43244 Relay Puller Pliers Removal ProcedureRemove the electrical center cover. Note: Always note the orientation of the relay.If equipped with a notch style relay; observe the location of the notch on the...
Relay Rod Replacement (Dual Rear Wheels or Crew Cab With SRW) Relays      Special Tools J 24319-BSteering Linkage and Tie Rod Puller For equivalent regional tools, refer toSpecial Tools. Removal ProcedureRemove the engine shield, if equipped. Refer toEngine Shield Replacement.Remove the steering...
Relay Rod Replacement (SRW Except Crew Cab With SRW) Relays      Relay Rod Replacement Callout Component Name Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the engine shield, if equipped. Refer toEngine Shield Replacement.Remove...
Underhood Electrical Center or Junction Block Bracket Replacement Junction Box      Underhood Electrical Center or Junction Block Bracket Replacement Callout Component Name Preliminary Procedure Remove the underhood electrical center/junction block. Refer toUnderhood Electrical Center or Junction...
Underhood Electrical Center or Junction Block Replacement Junction Box      Underhood Electrical Center or Junction Block Replacement Callout Component Name Preliminary Procedure Disconnect the battery. Refer toBattery Negative Cable Disconnection and Connection. 1 Underhood...
Drive Motor Battery High Voltage Contactor Relay Operation Relays      The hybrid drive motor battery contains 3 relays that allowthe high voltage-(HV) DC batteries to be connected tothe vehicle. The three HV relays are a positive HV contactor relay,negative HV contactor relay and current limit...