ENGINE AR- 4198544 - Caterpillar

Illustration 1 g01376112
The grounding stud is located on the upper left corner of the engine control module.
Inspect the OEM harness for good connections. Inspect the condition of the OEM harness.The grounding stud must have a wire ground to the battery. Tighten the grounding stud at every oil change. Ground wires and straps should be combined at engine grounds. All grounds should be tight and free of corrosion.
Clean the grounding stud and the terminals for the ground strap with a clean cloth.
If the connections are corroded, clean the connections with a solution of baking soda and water.
Keep the grounding stud and the strap clean and coated with MPGM grease or petroleum jelly.