Mechanics

CHECK GAUGES LIGHT

1990 GMC C1500 • 300,000 miles

My check gauges light comes on wild the air is on and under braking conditions. What would cause this?
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Nick2586
May 23, 2012.



Is anything reading out of range on the dash gauges?

Roy

ASEMaster6371
May 23, 2012.
Every gauge on the dash reads ok.

Tiny
Nick2586
May 24, 2012.
I have recently noticed that the oil pressure gauge is reading low

Tiny
Nick2586
May 31, 2012.