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 GMC Yukon XL 1500
Average mileage: 159,301 (80,000–250,000)
15 people reported this problem
3 people shared problem details
2001 GMC Yukon XL 150080,000Visitor
ABS PARK BRAKE LIGHTS ON ALL THE TIME
2002 GMC Yukon XL 1500100,000Visitor
Haven't fixed it yet. But going to give it a try.
2000 GMC Yukon XL 1500250,000Visitor
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