Under your hood. To the right of your brake master cylinder. Two relays are located there.
anywhere from 10w30 -10w40
First off the quit making the 780 in 1990. What do you mean brake relay? Brake light relay/integrity sensor? Need more information
It is important to know what types of fluids to put in a car to make it run smoothly. In a 1990 Chevrolet Pickup 1500 the correct transmission fluid is Dexron III or Dexron VI.
It has a flasher relay for the signals only.
The 1990 G20 Chevrolet Van fuel relay switch is located on the front of the fuel tank. The relay switch is next to the fuel pump.
in your fuel tank
in yo momsass
The brake light is controlled by a relay switch. If the relay switch is bad the brake lights will stay on. The brake light switch simply plugs in and out. Unplug the brake light switch until you can replace it.
The 1990 K1500 pickup truck parking brake is equipped with a adjustment bolt. Turn the adjustment bolt in or out to adjust the parking brake.