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How can you tell when you have a bad fuel pump on a Chevy silverado?
Fuel pressure test. Of course if it is not running, fuse and relay are good then it is bad.
How can you test the pump if not working?
If the fuse & fuel pump relay are good then more than likely the pump is bad.
How do you test the fan relay on a 1994 Pontiac Sunbird?
Replace it with a good relay of the same type from another system of the car. If the fan operates properly your relay was bad. If the fan doesn't work properly, that doesn't mean your relay isn't bad, it means there is another issue.
How do you test fuel pump Relay on a 1988 gmc 1500?
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.
How do you test the relay on a 2001 Chevy S-10?
There are many relays in that vehicle and many have the same part number. Simply swap the suspected bad relay with a known good one to determine if the relay is the problem or not.
Can the fuel pump relay be bad if pump works?
If the pump is running the relay is good.
How do you test a headlight relay to see if it is good?
Swap it with known good one. Many circuits use the same relay, check the part number on the relay.
How do you determine if a fuel pump needs to be replaced?
If it is not running and the fuse an relay is good it needs replacing. Even if it is running it may no be pumping. A fuel pressure test will verify if it is good or bad.
How do you know if AC relay is bad?
Turn on ac and watch clutch on front of ac compressor. If clutch doesn't engage then AC relay is bad. Or you can follow the schematic on the side of the relay and use a volt meter to test it.
All of your fuse are good but why does my horn not blow?
Bad horn? Bad relay? Bad horn switch?
How do you test the fuel pump relay on a 92 dodge shadow?
I believe that you can switch the Horn Relay with the Fuel Pump Relay and if the horn no longer works and the Fuel Pump does then that relay went bad... try that, its a sure fire way to know whats wrong... If it checks out good it might be a Defective Fuel Pump.
How can you tell if fuel pump relay is bad on 95 gmc safari?
In order to test the fuel pump relay, you must check that the two control circuit terminals on the relay are not connected, using an ohmmeter. You must also test the power circuit terminals on the relay, in the same way.
