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: 135,950 (55,000–189,000)
22 people reported this problem
2003 Chevrolet Silverado 1500 87,000 mi, Visitor
ABS light is on