Backup lights come on in drive any idea what can be causing this? on 2000 Oldsmobile Bravada

When I put the vehicle in drive the backup lights come on

by in Worcester, MA on April 25, 2012
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1 answer
ANSWER by , April 25, 2012
The most common cause is a faulty reverse switch, Either located on the transmission or the shifter, depending on whether it is automatic or manual.