-first charge your battery. https://www.2carpros.com/articles/how-to-charge-your-car-battery
-check the battery if its in good condition(load test) run our guide: https://www.2carpros.com/articles/car-battery-load-test
-check the battery cables and clean them:https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked.
-check starter connection if the nuts are tight and clean
-check the engine ground if its clean and properly tightened.
-perform voltage drop test good connection should have voltage drop of 0.2v or less.
-to perform voltage drop test first prepare the car to not start when cranking by removing fuel pump relay, use digital voltmeter put the red terminal on positive post of the battery and the black terminal to the starter thick cable which is called terminal 30 +then crank the engine result must be lower than 0.2v if not problem can be from connection points or the cable.
-same test perform with voltmeter to negative post of the battery and starter housing.perform the same procedure.
Tuesday, January 29th, 2019 AT 11:28 AM