Electrical issue with my 2005 silverado ls 4.8
I going crazy throwing parts at this thing i hope
someone can teally help me . So it started with my
brake lights not working and so when i checked my
bulbs everything was good but i changed them
anyway.is when i noticed that when i press the
brake my fuel pump primes with no key in ignition
also my throttle body make a soud at the same
time. So i kept looking around and the only way i
can get the pump to stop priming is if i disconnect
the brake switch. And also when i hit the brake
along withe the fuel pump priming and throttle
body making noise the check engine light comes
on all with no key in ignition please someone help
me.