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Diagnostic Aids

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

A short to ground on the 4 low indicator control circuit will cause the 4 low indicator to remain on at all times. An open or high resistance will cause the 4 low indicator to be inoperative during the 2 second bulb check.

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