Unveiling the Secrets The Ultimate Guide to Car Relay Testing for Mechanics

To make sure the relay works, you should hook up a load to the relay using a test light or even just any plain old 12v light bulb, and then when you test the ... To test a relay, you need to have a multimeter or an ohmmeter. Before testing any relay you need to know about the relay itself. Take the other lead of wire and connect one end to the battery positive terminal. Connect the opposite end of the wire to pin 86 on the relay. When you touch ... I bought a wiring kit for a 12v automotive horn that draws 1 ... Customer. I'm not testing vehicles. I want to know how I can test relays both ... The best check of the relay coil is to apply power and ground, see if it clicks. While testing for clicks, check for closed or open connections ... Buy #190 Relay Buddy® - Automotive Relay Tester, Item #ESI190, from Snap-on Store. Assuming those tests all check out, you can then test the relay itself by connecting pin 86 to +12V, pin 85 to GND, and then verifying ... You can easily test a relay in a few simple steps. The required materials are as follows DO NOT USE YOUR BATTERY DIRECTLY FOR THE 12V SUPPLY. All you'll need to do is connect the tester to your car's battery, plug the relay into one of the tester's configurations, and press the TEST ... Now to test the relay. Connect a wire from the negative battey cable to pin 86. Then connect a wire from the positive battery cable tto pin 85.