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What causes a diode to melt?

What causes a diode to melt?

The common cause for the diode to melt is usually caused by a ground in the circuit. have your mechanic check the Dark Blue/ Orange wire running between the start diode in the auxiliary relay box and the Digital Transmission Range sensor to be grounded in the harness.

How to tell if a starter relay is bad in a Ford?

Fortunately, all Ford models have a remote relay near the battery, which makes it easy and convenient for troubleshooting. This guide will help you determine whether the starter relay on your Ford has gone bad, using a jumper wire and a multimeter. Disable the ignition system.

How do you know when to replace a fuse on a Ford Explorer?

To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Before replacing fuses check that the key has been removed from the ignition and that all the services are switched off and/or disengaged. Always disconnect the battery before servicing high current fuses.

Why does my Ford starter keep running even after I Turn Off the engine?

Some Ford owners encounter a situation where the starter run continuously or keeps running even after the engine has started and even after they’ve removed the key from the ignition. At first, this may make you think the starter drive is binding. Or you may think you have a bad starter relay.

Where does the power go in a car starter?

You’ll see that power flows from the battery to the ignition switch. In the start position, power flows to a fuse and then to the transmission range selector (auto trans) or park/neutral switch (manual trans). If the transmission is in either Park or Neutral, power flows to the control coil portion of the starter relay.

How to replace the starter on a 2004-2008 Ford Explorer?

In this video I show how to replace a starter on a 2004 to 2008 Mercury Mountaineer or Ford Explorer with the v6 engine. You will need a 13mm deep socket, a 13mm shallow socket, a 10mm wrench and an 8mm wrench (for battery cable). Your starter will be located on the same side as the battery. Loading…

Fortunately, all Ford models have a remote relay near the battery, which makes it easy and convenient for troubleshooting. This guide will help you determine whether the starter relay on your Ford has gone bad, using a jumper wire and a multimeter. Disable the ignition system.

You’ll see that power flows from the battery to the ignition switch. In the start position, power flows to a fuse and then to the transmission range selector (auto trans) or park/neutral switch (manual trans). If the transmission is in either Park or Neutral, power flows to the control coil portion of the starter relay.

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Ruth Doyle