Questions & Answers for: Buick LeSabre how to test relays

...than usually the starter is bad. If you know the battery is good take out the starter and have it tested. If it is bad than replace it. Local parts store can test starter. If starter is good than ...

...test light just to make sure they have power at both ends of each (takes ten minutes and eliminates the possibility that you missed something there.) The fan on this Buick is operated throught the ...

...test it? You are off to a good start by testing the fans. Get a repair manual from your nearest autoparts store. I find them invaluable. Most temperature sensors can be tested with an Ohm meter. Or ...

air conditioner runs all the time ,can't get off only by pulling relay Possibly a faulty relay.Switch with another relay with the same part # in the relay center to test.

...another relay in the box that has the same part number. Switch that relay with the one you want to test. If the problem goes away then replace the

a cluster and they are not marked. You would check the circuits the relay uses, or just replace it with a new relay. Some of the other relays can be switched for a test if they have the same type plug

...test relays. Another solution if you suspect a bad relay is to swap in a known good relay. When the relay is pulled out, a good idea to check if the power feed for the relay is present. Use a test ...

...when attempting to turn on lights, and at least one other relay buzzes. Battery is one year old and tests fully charged. Happened after a night of extremely heavy rain. (The car sits out.) What is ...

...power at relay ! This video shows how ! VEHICLE RELAYS Operation Diagnosis If you don't know, best take to a ASE certified technician before you break it ? How to Test and Troubleshoot Starter ...

...RAP relay turn ON and OFF with each command? -- YES - Go to Step 8 NO - Go to Step 5 5 Connect a test lamp between the control circuit of the RAP relay and the coil side feed circuit of the RAP ...