ABS Light Due to Poor Electrical Ground Under the Battery Tray on GMC Yukon

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.

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Average mileage: 196,666 (160,000–250,000)
7 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006
13 people reported this problem
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problem details
2002 GMC Yukon 160,000 mi,
Cluster gos crazy when I hit bumps