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2000 2500 hd tag light6/26/2023 ![]() I have found it attached to the battery’s negative terminal and then to the truck frame in some models. Therefore, you need to use a high-quality wire connected to the truck chassis with a large gauge size. In addition, electric current to all systems and components like horn, radio, lights, and wipers passes through this wire to the truck frame. This wire bears the highest current due to the alternator and starter. The main ground wire is the battery’s negative terminal in the engine compartment. However, you have to remove the defroster to detect the 4-AWG wire connected with the Silverado frame with the help of a bolt or screw. You will find two ground wires on both left and right side A-pillars. There are multiple grounds inside the truck cabin for various electronic circuits connected with the body. Its corrosion or rusting will result in a fault indicator light with various trouble codes on the dashboard. It has the code name G103 and acts as the ground terminal for the main engine wiring harness. You will locate it on the front or rear of the right cylinder head/block in the engine compartment under the hood. Therefore, it should have a solid and low resistance ground connection to prevent its malfunctioning. PCM acts as the brain of a Chevy Silverado, receiving electronic signals from various sensors and truck systems. Locate its battery in the engine compartment, and you will find a negative battery terminal connected to the truck body with a black wire at some nearby point. Then, it attaches with the truck chassis to complete the circuit. The battery acts as the primary power source for some of the electrical systems of the Chevy Silverado.įirst, its negative terminal is attached to the ground to provide the return path for electrical current. But mostly, they remain the same across all model years. In addition, there can be a few additional points according to the engine and cab configurations. There are 10-15 ground points from various parts of the Chevy Silverado to the truck body. Why is it essential to locate ground wire on Chevy Silverado?.Can we use the owner manual to locate the ground wire on Chevy Silverado?.Instrument Panel under the knee bolster.Ground wire location on Chevy Silverado.Usually, the truck chassis or frame is a common point for connecting ground wires from various parts or systems.ĭespite termination at the same structure, the health of individual ground connections is essential for the proper functioning of electronics and circuits. The location of ground wires is on the body mounts, fuel filler neck, and spare tire hoist bracket on the rear side. You will also find a few ground wires behind the trim panel on B and C-pillars. In the passenger compartment, you will find it on the A-pillar, lower left side of the steering column, under the driver side door, and front passenger side. What is the Chevy Silverado Ground Wire Location? The ground wire in Chevy Silverado is located on the battery’s negative terminal, engine block, radiator core support, cylinder head, and on the engine itself. Therefore, it is vital to locate the ground wire. In case of a loose or broken ground connection, you will face several faults or unexpected responses of components like intermittent lights and other electronics. It provides the return path between vehicle battery, source of electric power, and all systems utilizing that power. The ground wire in a pickup truck like Chevy Silverado plays an essential role in its electrical system.
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