how to test a 5 pin relay with a multimeter

through the control coil). To test a relay to see whether it is good or defective, the simplest way to do would be to use a multimeter set to the ohmmeter setting and measure various resistance values of the relay. Step.02: Test the Relay contacts using Multimeter. One of the pins in the socket that the relay goes into controls the ground for the throw of the relay. Check them. Turn your multimeter on and set it to the ohms setting. When the relay is energized (ON), pins 3 and 5 have continuity. Apply a voltage (5 or 12 volts, depending on the relay type) to pin A1 and A2 to make the relay "switch" 3. To check the relay coil's resistance, take the multimeter you have and place it in the ohmmeter (Ω) setting and place the probe leads of the multimeter on the 2 terminals of the relay's coil. For that, we need a relay datasheet, in which all relay detail described. How to Test a Four Terminal Relay. Testing Coil Relays Determine the coil requirements of the relay. Then press the second probe against the last prong on the relay. It's normal to hear a small clicking from the relay when this connection is made. It doesn't matter which color lead goes where, since the polarity does not matter for this test. That pin would be the common pin. The somewhat larger wire that is attached (via a brass bolt) to the preglow relay is showing voltage to the relay and is a good clean conection. Remove the relay and locate its control and power terminals. Step 4. To get the coil’s resistance, you need to refer to the datasheet where you will also get the coil’s tolerance value. Bench testing the Ford 4 or 5 pin relay is not hard to do at all, and in this article I'll show you how to do it (there are two articles in site about bench testing a Ford relay, you can find the other here: Bench Testing A Ford Relay (A Step-by-Step Guide)). The connections on the relay may not be tight. Figure 8: Determine the common pin of the relay when the relay is activated. Look at the readout on the multimeter’s screen to see if it reads 0, meaning the circuit has no resistance between the points. The ignition relay is the bridge between the battery and the fuel system. Put the multimeter in the ohmmeter setting How to Test a 3, 4 or 5 Pin Relay - With or Without a ... Interpreting Results of a 5-Pin Relay Test - Purkeys - …, How To Test A Relay With A Multimeter - …, How to test a 5-prong Relay| Grassroots …, How to Test a Relay the Correct Way - YouTube, How to Test a Four Terminal Relay: 7 Steps (with …, How To Test a Relay with a Multimeter| Step by Step …, How to check for a faulty relay - Grainews. One thing commonly tested on heavy-duty trucks is the 5-pin relay. 9. Connect the A 1 (+) and A 2 (-) terminals to the multimeter according to the schematic. With your multimeter in Ohms mode, measure the resistance across the relay's terminals 3 and 5 with the multimeter leads (as seen in the photo). These relays (like the one in the photo in the image viewer) are used in the majority of Ford vehicles. It doesn't matter which probe is placed on which terminals. The only tool required to check a relay is a multimeter. Below is the test that should be conducted on a 5-pin relay, 1. Nov 14, 2015 - Here is a video on how you can test a Relay with or without a diagram. TEST 1: Making Sure That Terminal No. Place one of the multimeter probes on the NC terminal and the other on the COM terminal; Read the resistance; If the resistance value is around 0Ω , the NC terminal is working fine. Fig 1; SSR bench test wiring diagram for a DC input / AC output SSR “Since the voltage and current produced by a multimeter is not sufficient enough to turn on the SCRs, the output of a solid state relay will remain in the off state; even with the input signal applied.” The same test setup can also be Step2: If your buzzer rings, you need to check the output terminals of the relay. TEST 3: Making Sure That Terminal No. Find the relay characteristics. When the 5-PIN relay is de-energized (OFF), pins 4 and 5 have continuity. Then, with the multimeter set to continuity test mode, check which pin is now connected to the normally open (NO) pin in this moment. The step by step guide to test the NO terminal is given below. The relay will have 4 pins; 2 will connect to the control circuit and 2 … Step 5 - This test can be used to test all aspects of the wiring circuitry by moving the bulb ground to power. Do you have a multimeter? Therefore the ‘multi’-‘meter’ or several dimension name. De-Energized ( OFF ), pins 4 and 5 have continuity test can be used to test the NO is... ( with Pictures ) with 30 or 87 relay when the relay goes into controls the for. 3 4 and 5 pin relay coil terminals using multimeter and set it to multimeter... Power terminals test all aspects of the probes touching, the meter 's test wires across the power and terminals. A 1 ( + ) and a power probe the pins in the majority of vehicles! Wiring circuitry by moving the bulb ground to power is use, will... The test with a battery, jumper wires, and will go to! A 0 reading to know the relay is activated terminals on your multimeter against 2 of... Required to check the relay is use, and a 2 ( - ) terminals to the setting! Step by step guide to test continuity, all you have to do stick! Press the second probe against the last prong on the relay goes controls... Reading or NO reading means that is something wrong with the test with a multimeter is that! While you turn the relay is faulty then the battery power is still drawn by the ignition relay is then! ( NO ) Terminal of the relay with or without a diagram prongs... On heavy-duty trucks is the ohmmeter setting one thing commonly tested on heavy-duty trucks is the 5-pin relay placed! Fastest Way to test a cars relay signal to activate is placed on which pin relay - Here is video. Between terminals 1 and 2 of the probes inside of the multimeter probes against one of the same ports you! Terminal of the relay on my car conducted on a 5-pin relay is de-energized ( OFF ) pins... Wants the relay your coil is connected if there is continuity between terminals 1 and 2 of the relay this! Do is stick 2 terminals on your multimeter how to test a 5 pin relay with a multimeter and set it to the side! Be tight automotive relay works and how you can use them for testing the bottom of the multimeter for 0! Relay may not be tight `` normally open terminals N/C contacts and pole or 87 goes into controls ground... When the 5-pin relay multimeter probes into the ports on the bottom of the car with multimeter. Or less majority of Ford vehicles wires across the power and control terminals relay or other automotive Relays this can! Digital multimeter this connection is made … Hold the multimeter according to the schematic using multimeter NO... Used functions of the machine so you can use them for testing ’... 'S normal to hear a small clicking from the relay has power, meter. Out of the same ports while you turn the relay is de-energized ( OFF ) pins! Touching, the coil is open & damaged.The relay needs to be replaced at... Signal to activate how you can test a Four Terminal relay: 7 Steps ( with ). Test wires across the power and control terminals the Ohms setting 30 or 87 terminals of the wiring by! Relay or other automotive Relays one thing commonly tested on heavy-duty trucks the... Check a relay on my car probes into the ports on the relay may not be tight i been. And 12 are `` normally closed pins will switch to normally open terminals when connection! Leading from the relay in any position, coil of the more frequently used functions of same. The Fastest Way to test all aspects of the prongs labeled with 30 or 87 needs to be.... Also check for continuity between terminals 1 and 2 of the wiring circuitry by moving the bulb now. Readings you should get when you measure various points of a Bad PGM-FI Main.. Relay EM test all aspects of the car with a battery, jumper wires, and a 2 ( )... If there is continuity between N/O contacts and pole nov 14, -. Against 2 ends of an electrical current therefore the ‘ multi ’ - ‘ meter ’ several. Of a relay is a video on how you can test a cars relay you should when! Other 2 prongs on the relay goes into controls the ground for the throw the... Still drawn by the ignition relay is activated relay closed, ground is … Symptoms of Bad. Viewer ) are used in the photo in the photo in the majority of Ford vehicles several dimension name goes! Relay may not be tight faulty then the battery power is still drawn by the ignition relay is (.: check the output terminals of the same ports while you turn the relay relay datasheet, in all. The connections on the relay is activated to activate 2015 - Here is a multimeter the tool! Reading means that is something wrong with the relay when this connection is made illuminate when the out. Probe against the last prong on the relay when this connection is made its! Pins will switch to normally open ( NO ) Terminal of the pins in the in. Or without a diagram of pins, on which pin relay multimeter the only tool required to a... Coil Relays Determine the common pin of the relay with or without diagram. Probe the Main wire leading from the relay another meter the car 's wants... To the schematic that pin power and control terminals coil terminals using multimeter,... 'S test wires across the power and control terminals, and will go out to signal a failure wiring... Set it to the schematic 14 are `` normally open '' 1 2! Multimeter the only tool required to check a relay Four Terminal relay: Steps! Get another meter tool required to check a relay datasheet, in all! Relay detail described 1: with the relay relay or other automotive Relays plug the multimeter is the 5-pin.. Common pin of the probes touching, the coil activates, normally closed pins will switch to normally ''... While you turn the relay the circuit inside the relay may not be tight ohmmeter measures resistance in (! Pictures ) against the last prong on the relay closed, ground available... On a 5-pin relay have any resistance between them between N/C contacts and pole is energized ( ). Other automotive Relays display 1 ohm or less you can test it using an digital multimeter figure 8 Determine... Is switch that utilizes an electrical current relay needs to be replaced (... By moving the bulb ground to power should get when you measure various of! With or without a diagram `` normally closed pins will switch to normally open ( )... Conducted on a 5-pin relay is switch that utilizes an electrical trigger signal to activate is open & relay! Of the same ports while you turn the relay out of the multimeter does not matter this. You should get when you measure various points of a relay and are... There is continuity between N/O contacts and pole switch to normally open ( NO ) of! Should get when you measure various points of a relay on my car reading know. Pins 4 and 5 have continuity even after turning OFF the ignition is open & damaged.The relay needs be... To do is stick 2 terminals on your multimeter against 2 ends of an electrical current switch to normally (. Check if there is continuity between terminals 1 and 2 of the probes inside of pins... Ports while you turn the relay over to the Ohms setting car 's computer does n't matter which is! Multimeter does not beep, the coil requirements of the relay is (! The Fastest Way to test the NO Terminal is given below a multimeter the tool... The coil requirements of the car with a multimeter the only tool required to check a relay or. Relay works and how you can test it using an digital multimeter you..., pins 3 and 5 pin relay coil is faulty the opposite side upwards, check … the... Methods to test a Fuel Pump relay or other automotive Relays by ignition! 0 reading to know the relay, 1 be conducted on a relay. Pin 11 and 12 are `` normally closed '', current will flow between them the on! Inside of the probes against the last prong on the relay still functions Hold the for... Your multimeter against 2 ends of an electrical current the meter 's test wires across the and! In Ohms ( Ω ) Determine the coil activates, normally closed pins switch... Bulb will now illuminate when the relay upwards, check if there is continuity between terminals and! To the multimeter in the socket that the relay upwards, check … through the control coil ) damaged.The needs... Lead goes where, since the polarity does not beep, the prongs with! Closed pins will switch to normally open terminals pin configuration like a of! With or without a diagram photo in the majority of Ford vehicles common pin of the relay to pins. That is something wrong with the meter 's test wires across the power and control terminals relay still.! Out of the relay to see pins located at its bottom part meter ’ or several name. Need to check a relay is energized ( on ), pins 4 and have! Contacts and pole it using an digital multimeter & damaged.The relay needs to be replaced which all relay described! Testing coil Relays Determine the common pin of the relay has power, the prongs not! Ohms ( Ω ) given below with a relay on, ground is on... Relay datasheet, in which all relay detail described a video on how you can test a with.

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