Reverse lights

[06alaswb]

When I put my truck in reverse it no longer beeps nor do my lights come on, is this due to a bad switch or what? And where is it located? Thanks in advance!

 

[CBRBob]

1st guess, is a sensor and wire on the trans. Jack it up, check it out.

 

[06alaswb]

will do as soon as I can, I was just wondering if anyone has had this problem and could help me to a speedy fix...