1997 GMC Suburban REVERS LIGHT DOSN'T WORK

1997 GMC SUBURBAN
300,000 MILES • V8 • 4WD • AUTOMATIC
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SULTANS
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I have 2 problems
1- while car neutral, and the Engine running, the RPM gose up and down till the Engine turned off.

2- the revers light dosn't work?
May 31, 2010 at 6:44 AM
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MHPAUTOS
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Hi there, for the idle problem have the idle control motor checked and check for any vacuum leaks, a scan for any unresolved fault codes will also help. For the reverse lights, check fuse and switch on transmission,

Mark (mhpautos)
May 31, 2010 at 6:49 AM