Question about 2003 Lincoln Aviator
Hi, I'm Shaun. I will do my best to help you with your problem. From your description,l it sound like you may have one of two things going on. First, your brake light switch, located under the dash at the top of your brake pedal, may have gone bad. You can check this by simply checking your brake lights. If they come on when you push the pedal, this switch should be good. The brake pedal switch sends a signal to a small solenoid located under the console at the base of your shifter. If this part has gone bad, it will not release your shifter when the brake pedal is applied. These are the two main causes of this malfunction, as it's a fairly simple circuit and pretty easy to troubleshoot. The only downside is having to remove the console to get at the shifter, if you have a console shifter. If you need a more in depth walkthrough,l feel free to reply to this thread and I will contact you. Best of luck!
Posted on May 24, 2011
Testimonial: "yours was was pretty narroewd down to what the problem might be.thanks a lot."
You may have an electrical or mechanical fault within the shift lock mechanism. have the brake switch and the shifter lock inspected for proper function. If there is power failure within this system, it will prevent the shift linkage from moving. Also the key lock cylinder may also cause this if it is worn or faulty!! Hopefully this helped!!
Posted on May 24, 2011
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Posted on Jan 02, 2017
safety switch on brake pedal. common cause is a wire breaking off. there are 1 to 2 wires going to this switch. It is located on the brake pedal bracket above the foot pad.
Posted on Jul 19, 2009
Brake switch is broken or wire is loose check the wires on the brske pedal to see if they have come loose, if they have crip them slightly and slide them back on the sade terminals.
Posted on Oct 05, 2009
Is the CHMSL ( Center High Mount Stop Lamp ) working ?
Is it a regular bulb, or did it get changed to a LED ?
If it is a functioning factory type bulb, the shift interlock solenoid is the cause.
Until you can fix the CHMSL or the shift interlock, you can turn the key to the run position ( do not start ), press and hold the brake pedal, shift into neutral, and then start the truck.
Your MY the shift interlock circuit and the brake lamp circuit are the same.
Usually the shift interlock stops working when the brake lamp fuse is blown, or if the bulbs are out ( truck does not see a load on the circuit ).
If LED tail lamps were installed without load resistors, the shift interlock circuit will not work ( looks like a burnt out brake lamp bulb )
Posted on Jan 11, 2010
Should be a switch further up the brake pedal that contacts when the brake pedal is pressed. Check this switch to see if defective or broke.
Posted on Jan 20, 2010
Tips for a great answer:
The ignition switch is turned to the RUN or the START position.
When the ignition switch is in the RUN or the START position, the current flows from the B/U Lamp fuse located in the underhood bussed electrical center (UBEC) through CKT 839 (PNK) to the park/neutral position switch. The park/neutral position switch also feeds the backup lamps portion of the switch. With the transmission in the PARK position, the current flows to the BTSI fuse located in the underhood bussed electrical center (UBEC) through CKT 275 (LT GRN). The current then flows to the TCC/stoplamp switch through CKT 584 (LT GRN/BLK). The current continues to the BTSI solenoid through CKT 1135 (DK GRN/WHT). The ground path is provided through CKT 1850 (BLK) to G207. When the brake pedal is depressed, the normally closed contacts in the TCC/stoplamp switch open and the current flow is interrupted. When the current flow is interrupted, the BTSI solenoid de-energizes. The transmission may then shift to another gear. When the transmission shifts to another gear (except PARK), the contacts in the park/neutral position switch open. This condition stops the current flow to energize the solenoid when the brake pedal releases.
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