The lights are out where you shift from Park to Drive. Every other light is ON...the dash lights, headlights etc. are on. Only the shifter lights are off. Would this be a fuse and if so what fuse on the fuse diagram would it be...size and color please. Thank you.
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there is a regulator for the display brightness, you may have it turn'd down or it has stopped working;. it controls the brightness at which the dash lights are. usually has a speedo sign on it. goes up and down. it works with the main light and is conecter to them on the same lighting board if it has gone then a new light swtch control switch will be needed.
Your shifter is a column shifter, not a floor shifter, right? Is the headlight switch mounted on the steering column? If so, then this "combination switch" may be the problem. If not, start looking for loose wires, especially ground wires, around the steering column area and the headlight switch area. It would also be a good idea to get access to a wire diagram from a factory repair manual and find out if GM had any Technical Service Bulletins addressing this problem. If I get a chance, I will ask around and see if any of my co-workers ever heard of this problem.
Hi! If you turn on the ignition and depress the brake pedal, the shifter should move whether the engine is started or not. If it does not release, have someone check to see if the brake lights work. If the brake lights do not work, you will likely not be able to move the shifter. If they do not, check the STOP fuse and see if it is blown. If you have NO power anywhere (no dash lights, etc) you can remove the small cover near the shifter (usually about10mm square) and depress the white button underneath. The shifter should come out of park at that point.
Here is the Ford diagrams that you could to check(click for zoom)...
only lights up the tail lights when its in RND21 but works correct in
park then I believe your looking at a internal shorted brake shift
interlock on the shifter back feeding and sending power back to the
brake switch and turning the lights on.
I would access the shifter assembly and depin the wire I am pointing to
and reconnect the connector and see if the brake light issue stops. You will need to manually shift it out of park or temporarily attach this wire to get it out of park for the test.
Hi David, Look for grounds, especially the headlight switch it self... Most of the time the issue you describe is resolved by replacing the headlight switch. There is a variable resistor that fails, over time.
If the headlight switch itself is loose, proper grounding would fail, and current runs other places.
Both the radio and the gear shifter are affected by the dimmer and on or off status of the headlight switch.
See if u have brake lights. This is what energizes the shifter solenoid. There are 2 fuses u can check both are in the under dash fuse panel. Fuse 23 (15amp) and fuse 26 (7.5amp).
To get it out of park turn igntion switch on stopping just short of engerizing the electronics then u should be able to get it out of park and into neutral.