I recently installed an aftermarket rear view camera to my 96 Tahoe Lt. i hooked up the yellow rca cable (video out) behind my stereo to the camera. the camera has a negative and positive wire that runs from the camera to the the reverse light then the stereo orange and black wire (reverse) after testing the camera several times to get the position right i ran all the wire under the moldings put the dash back together turned the truck on to check the camera did not go off i got out to check the reverse lights and they were both off all my other lights work headlights turn signals tail lights interior lights except the reverse i was wondering if theres anybody that can help me out thanks.