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Type your answer here... you don't... there is no way to test a faulty relay. Just buy a new relay and install it. If the problem is fixed, then the old relay was bad. If the problem still exists with the new relay installed, then the old relay is still good. Most auto parts stores are good for returning products, even electrical parts.
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Where can you find the fuel pump relay on a 1988 gmc safari van if there is one?
There is a fuel pump relay switch for your 1988 GMC Safari. You can find the fuel pump relay switch at most auto-parts stores.
Where is the fuel pump relay located on your 1988 Mercedes 300 sel?
the fuel pump relay is behind the battery there are two there the front one is the fuel relay
What does fuel pump relay do on 1988 chev truck?
Starts and stops the fuel pump.
Why is the fuel pump on your 1988 ford ranger not returing fuel?
relay is giving power to other relay pump not working
Where is the fuel pump relay located in a 1988 Honda prelude?
where is the fuel pump cutoff relay located in a honda 88 prelude?
Where is an 1988 Mazda 626 fuel pump relay located?
On a 1988 Mazda 626, the fuel pump relay is located in the fuel tank. Always disconnect the battery before beginning work on a fuel system.
Where is the fuel pump located on a 1988 Chevy 1500 4x4?
It has an electric fuel pump inside of the fuel tank.
Where is the fuel shut off switch on 1500 series?
It does not have one, you will need to remove the fuel pump relay are the fuel pump fuse.
Where is the fuel pump relay on 1988 eldorado?
In the gas Tank
What would make the fuel pump not run on a 1988 F250?
Blown fuse, defective fuel pump relay, or defective fuel pump.
Where is fuel pump relay on 1988 Mercedes 560sl?
The fuel pump relay on a 1988 Mercedes 560sl is located on the driver's side firewall inside the engine compartment. If a person notes the side of the air cleaner and follows this line back to the firewall, the fuel pump relay is located there.
Where is the fuel pump relay on a 1988 Jeep Cherokee Laredo?
The 1988 Jeep Cherokee fuel pump relay switch is located on the firewall in the engine compartment. The switch will be on the drivers side of the firewall.
