Automotive Relay Circuit Tester

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Automotive relay circuit tester. Testing automotive relays explained defective relay. Sumnacon 6 24v automotive circuit tester probe kit electric system tester for vehicle component diagnostic car battery tester voltage diode current detector 4 7 out of 5 stars 12 15 99 15. They use a low amperage current to switch a high amperage load. If you re going to do auto diagnostic work you must know how to test a relay.

Using relays allows car makers to cut down on wiring and that cuts down on cost and vehicle weight. Automotive test lights are available at auto parts stores and hardware stores. It s easy to test a relay using just an. The automotive test light should light.

Experience the extech advantage. With the relay in the configuration that has the 2 load pins connected place the test voltage on 1 of the load pins of the relay and an automotive test light on the other load pin of the relay. Jastind heavy duty 3 48v digital lcd display circuit tester with 140 inch extended spring wire car truck vehicles low voltage tester automotive test light with stainless probe 4 6 out of 5 stars 771 misc. In most cases if you miss diagnose the electrical problem and buy a new relay and it doesn t fix the car you re stuck with the part you didn t need.

The cal 76 relay circuit pro can test an entire circuit from the battery to the component in question as well as determining if the relay itself is functioning properly. This tool will identify at the push of a button if a wire a part or a relay is defective without the use of a multi meter. Buy it now 9 99 shipping. When a relay warm up as in normal operation the electrical contacts inside the relay can short circuit causing the electrical flow to stop when the relay contacts cool it will resume the flow of electricity.

Testing automotive relays before replacing them is a good idea and it s not to difficult. 4 5 out of 5 stars. Small piece of automotive wire. Small automotive bulb and socket common problems.

2 product ratings atd relay circuit tester 5614 automotive diagnostic tool tests entire circuits. Automotive meters current circuit and relay testers.