Workshop Repair and Service Manuals GMC SIERRA
Articles

200 Amp Mega Fuse and Auxiliary Electrical Center 12VDC Junction Block Replacement Junction Box

Rating:

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 Connection.Disconnect the battery positive cable. Refer toBattery Positive Cable Replacement.

1

200 Amp Mega Fuse Cover Tab (Qty:-2)

ProcedurePush in on the 2-locking tabs located on each sideof the cover and lift in order to remove the cover.Align the tabs on the cover with the corresponding locks onthe electrical center.

2

200 Amp Mega Fuse Junction Block Nut

Caution:Refer toFastener Caution.

Procedure

Disconnect the battery positive cable from the 200 amp megafuse junction block.

Tighten

7-Y(62-lb-in)

3

200 Amp Mega Fuse Nut

Tip:The fuse is serviced separatelyP/N-19177465.

Tighten

7-Y(62-lb-in)

4

Positive Cable to Junction Block Bolt(Qty:-2)

ProcedureThe bolts are part of the junction block. DO NOT try toremove.Remove the electrical center/junction block by using ahook-like tool to disengage the tabs.Disconnect electctrical connector from the top of fuseblock.Tighten

10-Y(89-lb-in)

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...
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....
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:...
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....
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...
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...