A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground on the frame rail below the drivers door may be necessary.
ABS Light Due to Poor Electrical Ground Under the Battery Tray on Chevrolet Silverado 1500
Average mileage: 136,625 (55,000–189,000)
20 people reported this problem
1 person shared problem details
2003 Chevrolet Silverado 150087,000Visitor
ABS light is on
I don't know where the electrical ground is. what else is there to check?
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