![]() A test for DC voltage between a ground point (eg. The cause of this problem is usually one of 3 things - a failed starter motor, a bad connection between the battery and starter motor, or a blown fuse (if present) in line between the starter and the battery. If you don't hear that click (you might need someone to stand outside with the hood up to hear it) go to #2. If there's no power to the starter motor but power everywhere else you'd hear a "click!" noise when you turned to start but nothing else - ie. When the key is turned to start the solenoid will engage the gear on the starter with the ring gear on the flywheel as well as trigger the starter motor to begin turning. What's called the "starter" has 2 power connections - a large wire that provides power to the starter motor, and a smaller wire that powers the starter solenoid. No power to the starter motor or a defective starter motor. Even if the battery voltage seems OK you should try jumping the truck to see if it'll start - a failing battery may have a reasonable voltage readout but very little capacity available, making it unable to start the vehicle.Ģ. Less than that and you will quite often have a starting problem. A fully charged car battery would read about 12.6 VDC. ![]() If a terminal is loose (you can turn it with your hand) tighten it. If the terminals are full of white snowy looking stuff disconnect them and clean them up. Bad battery or low charge, or bad connections at the battery terminals. To diagnose it you need to work backwards:ġ.
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