Unveiling the Secrets How to Test a Car Relay Like a Pro

Use a multimeter to check for continuity between the relay's control terminals (usually labeled "85" and "86") when the coil is energized. A ... Shop Relay Tester Autozone ; LED Indicator Light Car Batter… $8.97. $55.86 · 5.0 · 19 ; Car Relay Tester 12V Electronic A… $14.88 ; Newest Red Relay Tester 12V Unive ... Well, if you shut the car off and pull the battery cable, you should be able to test continuity to ground from each of the pins. One of those ... Apply 12 volts to the small pins, if it clicks the control side is ok. With the relay on (12 volts applied), check continuity across the large pins. Use a circuit tester to check whether current is reaching the relay. Clip one wire to earth on an unpainted part of the car and probe the feed terminal on the ... A quick go/no-go tester relays that provides with indication of the general health and functioning of the most common Automotive relays. Use the battery to close the relay and verify it by checking for continuity (with no resistance). Step-by-Step Guide on How to Test a Starter · Locate Your Relay: Typically housed in the engine compartment's fuse box, the starter relay is ... Testing the voltage drop across the switch contacts. You shouldn't drop my then 0.1 volts across the relay. All your voltage should drop across ... Unplug the relay and check the electrical resistance of the coil (between the pins 85 and 86). The resistance should be roughly between 50 ohms ...