'99 Aurora-parking lites flash & won't stop until fuse is pulled?
The mechanics can't find the problem, I have to pull the fuse from behind the back seat to make them stop. They come on in the middle of the night, while car is parked and engine is off, or during the middle of the day while in the parking lot at work...Help! What can I do?
The problem is in the turn signal/headlight switch on the steering column.... I had the same problem and went nuts trying to figure it out..... email me @ firstname.lastname@example.org and i will set you up with the details..... save yourself about $500
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The PCM controls the ground to the injectors. Does the check engine light come on for a bulb check when the key is turned on? Check ECM fuses in underhood fuse/relay center. There is usually 2 10 amp fuses protecting the PCM circuitry.
Here is an idea, when do you blow the fuse key on, key on engine running, key on engine running hitting the break pedal? Try and get the key on without blowing fuse if possible, then one at a time try those circuit loads ie: horn, brake pedal and so on, if you isolate which load is pulling to many amps(blowing fuse) unplug that load itself, then restart testing, see if fuse stays ok. You can also substitue the fuse with a circuit breaker and unplug each load until click(of breaker) stops.
Trying raising the tilt on the steering wheel all the way up. Some times the connector for the MFS ( MultiFunction Switch ) pulls apart. This is a 16 pin ( 4 rows of 4 pins ) connector behind the knee panel, Pull the knee panel ( screws on the bottom, plastic tabs on the top ) and check the connector. The harness side towards the truck ( not going to the steering wheel column ) pull up a bit of slack and zip tie it to the knee panel frame. Pull the connector apart and check the pins for discoloration. Use emery or an eraser to clean the pins. If the connector tab has been warped, you might have to zip tie the connector back together. Not unheard of that this connector pulls apart, it was not installed on the 04+ MY F-150s, I can only assume to remove this issue.
If the light is flashing than the anti-theft is activated. Try locking and unlocking the car with the door lock button on the drivers side. lock and unlock a minimum of three times until the light quits flashing. If the car has loaded up (smells like fuel when cranking) then pull the fuel pump fuse and hold the throttle all the way down when cranking to clear the cylinders, then replace fuse and repeat the procedure with the lock switch if the light is still flashing. It should fire right uo if the light is no longer flashing and the fuse (15 amp) is put back in.
You have a bad switch at the brake pedal. Or a loose wire. Try light pulling on the wires on the switch at the brake pedal under the dash. They should be tight and secure. If tight and secure the switch could be bad.