TheimportanceofrelaytesterMostcarlights,wipers,starters,airconditioners,electricseats,electricdoorsandwindows,antilockbrakes,andaudioalluserelays.Automotiverelayssufferfromvibration,hightemperature,lowtemperature,humidity,etc.,whichwillreducetheirlife.Butoncetherelayfails,itwillimmediatelycausetheparalysisofthesystemcomponents,andevencausetheentirevehicletobeunusable.Therefore,itisveryimportanttoregularlychecktherelaysinsidethecar.Testerwillcheckforproperfunctioningoftherelaycontactsbyconnectingthecarbattery11V15Vtotherelaycoil.FeaturesAutomotiverelaystesttool.1.Throughthecontinuousautomobilebattery11V15Vtotherelaycoil,thedetectorcanproperlychecktherelaycontactfunction.2.Thetesterobservescontactdata,closuretime,relayinertiaateachteststage,etc.3.Testtoproperlycontroltheopeningandclosingoftherelay.4.IftherelayisabnormaltheredLEDwilllight,itsnormalthegreenLEDwilllight.5.Fineworkmanshipandgoodperformance.6.Easytooperate.7.Convenienttocarry.8.Durableinuse.DescriptionMaterialPlasticMetalColorBlackRedVoltage12VSizeapprox.1106028mmproductnameautomotiverelaytester1x12VRelayTesterFiveHighAdvantages1.Safetyandenvironmentalprotection2.Gooddurability3.Costeffective4.Strongtemperatureresistance5.LightweightandgenerousNoteCarbatterymustbe12Vbattery,thevoltagemustbebetween1115V.Thecoilresistanceispreferablyatleast20ohms.HowtousethetoolTheStepsareasFollows1.Connectthepowerleadstothecarbatteryblackalligatorcliptonegativeterminal,redalligatorcliptopositiveterminal.2.TesterispoweredupwhentheLEDilluminatesinRED.3.Checktherelaybeforepluggingintothetester.Ifitsa4pinrelay,select4pinonthetester.Ifitsa5pinrelay,select5pinonthetester.4.Plugintherelayintooneofthethreereceptacles.5.PresstheTESTbutton.6.Testerwillcheckthepinconfigurationoftheunknownrelay.TesterwilllighttheREDLEDiftheunkonwnrelayisnotthesametothemostofcommonautomotiverelaysorthepinoftheunknownrelayisdestroyed.7.Testerwillopenandclosetherelay10timesfortestingthetimetocontactsclosureandopeningifthepinconfigurationoftherelayisright.TesterwilllighttheREDLEDimmediatelyifthetimeisovertime.8.Testerwillchecktheconsistencyoftherelayaftertestingthetimetocontactsclosureandopeningtentimes.TesterwilllighttheGREENLEDifthetestpassed,ifnotlighttheREDLED.9.Disconnectpowerleadsfromthecarbatteryandremoverelayfromthetester.