Oh, what a lovely question! On a 1993 Chevy Silverado, there is indeed a headlight relay. It helps control the power going to the headlights, ensuring they turn on and off properly. If you're having any issues with your headlights, checking the relay might be a good place to start. Just remember, there are always happy little solutions to every problem.
fuel pump relay location
either right front corner behind headlight or on firewall by blower moter
Don't know of a headlight relay but the headlight circuit breaker is located in and part of the headlight switch.
Yes they will as long as the 99 is not the new body style.
In the oil pan
inside the distributor
very carefully.
It doesn't have one.
You CAN"T.
Should be about 5500 Lbs.
Check your fuses.
mine was 25 gallons