Ground locations (Ref 2003)

Here is a start.



LH Frame Rail at Body Mount

(1) Ground 302 (G302)
(2) LH Body Mount
(3) Ground Screw
(4) Electronic Brake Control Module (EBCM)
(5) Fuel Tank




Lower LF of the Radiator Support Components

(1) LH Lower Radiator Support
(2) Forward Lamp Harness
(3) Negative Battery Cable (G100)
(4) Frame
(5) Ground 100 (G100)




LR of the Engine Components

(1) Ground 103 (G103)
(1) Ground 103 (G103)
(2) Engine Harness- H02S
(3) HO2 Sensor connector- Bank 1, Sensor 1
(4) Fuel Line Bracket
(5) Ground 104 (G104)
(5) Ground 104 (G104)
(6) Oil Pressure Sensor Connector
(6) Oil Pressure Sensor
(7) Engine Ground Strap (G107)
( TP 1 Battery Cable (G106)




Lower Left Side of the Engine Components

(1) Engine Harness
(2) Battery Cable Junction Block Bracket
(3) LH Rocker Cover
(4) Ground 102 (G102)
(5) Negative Battery Cable
(6) Engine Coolant Temperature (ECT) Sensor Connector




Transfer Case Harness Routing

(1) Vent Tube
(2) Vent Tube Connection
(3) Front Axle Actuator
(4) Front Axle Actuator Connector
(5) Front Drive Axle Assembly (Mount)
(6) Ground 110 (G110)
(7) Left Inner Fender




Left Side Frame Rail - Grounds

(1) Frame
(2) Electronic Brake Control Module (EBCM) Ground (GNO)
(3) Manual Selectable Ride Ground (G302)
(4) Automatic Transfer Case/ABS Ground (G110)

Anyone have a photo of the LF location? I couldn't find while I was under the truck, is it accessible from the top?

Second pic down from the top, its below and just forward of the radiator.

Is there another ground near rear diff?

Is this relevant for a 2005 z77?

ProfessionalDave said:

Is this relevant for a 2005 z77?

Click to expand...

This is specific for 2003 which the 2005 is based on so should be the same for most part.