Hello all, needing some information on two issues:

1st issue: Brake light flashes on and stays on when I turn the wheels to the left, and goes off when turning back, the brakes are working fine with no problems(except e-brake does not work very well).

2nd issue: 4wd does not work-no lights on switch or no sound when I push the buttons.

These things just began to happen "all of a sudden" with no prior warnings, or is this the warning for some other issue....any info will be greatly appreciated.
Thanks in advance.

 

I'm gonna do a Carnac and guess it's a 2002
Brake light:
Do your hazard lights and turn signal work properly? Pull HAZ lamp fuse in underhood Fuseblock and see if it still does it

All other brake sw functions? Incl Park detent release and cruise control.
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4wd /tccm
Do your courtesy lamps work?

Also check underhood ATC fuse

 

for your 4wd, check your fuse first due to the lack of lights and power you have, next reset the TCCM pull the fuse for 2 minutes turn the key on and off 5 times...now i do not mean turn to the run position im talking about turning it to the click before that. then if thatdoesnt work i want you to Go find the thread about Jumping the Pins with a paper clip and last but not least if it is the fuse do that for not checking that first.

 

Fuses are good....also cruise control isnt working also...

 

Now pull the haz lmp fuse underhood, drive it and see if it still does it.

If it does, touch-wiggle the harness into stop switch where brake master cyl shaft intersects brake pedal arm.