Yes .
Oil relay switch? No such switch on this vehicle.
Yes; if your fuel pump relay fails you will not get fuel to your motor and your vehicle will not start.
the relay switch maybe stickin
The fuel pump relay switch can be found on the vehicle frame rail. The relay switch will be to the left of the front of the fuel tank.
A fuel pump relay switch can cause your car to stall after starting. A malfunctioning fuel pump relay switch can cause your car to not start at all.
The switch or the relay, check the cheapest, or simplest thing first, which could be the relay, but the symptom points more to the switch.
You can typically find the relay switch for interior lights in the vehicle's fuse box, which is often located under the dashboard or in the engine compartment. Some vehicles may also have a dedicated relay panel. Refer to your vehicle’s owner manual for specific locations and diagrams to identify the correct relay for the interior lights.
The 2002 Chevrolet trailblazer heater fan relay switch is located behind the dashboard. The relay switch will be on the drivers side of the vehicle.
What type of vehicle is this?
A car relay is a type of switch of sorts in a vehicle. If the relay breaks, then whatever it was supposed to be used as a switch for won't work, much like if a fuse goes bad.
You have many relays in that vehicle, most are in the fuse and relay box under the hood.
possibly the relay switch