Shut off while driving, no crank, no start

Hi,

It sounds like we lost power to several things. Do me a favor. I need you to confirm the fuses I highlighted in pic 1 below are good. Pics 1 and 2 are the schematic for the starting system.

Two of the fuses are in the fuse box under the hood and one is in the vehicle junction box. See pics 3 and 4.

In addition to checking the fuse condition, you also need to check for power to and from them.

Do this and let me know what you find.

Joe

See pics below. Note: Make sure the battery terminals are clean and tight.

Hi,

That fuse appears to supply low voltage to several relays. If you look at pic 1 below, I highlighted the things involved. We need to try to narrow things down.

What I need you to do is remove the relays indicated in pic 2 (all of them). Inspect the condition of the connectors in the box as well as the relays.

If they all appear good, then one at a time, remove the ones I have highlighted to see if there is one that prevents the fuse from failing. You can't unplug the ones I circled because the vehicle won't run if you do. Also, keep in mind that you are removing the cooling fan relays, so avoid stop and go traffic. It could overheat.

Also, before you do this, see if it fails if you simply allow the vehicle to sit at an idle. If you do this, just pay attention to the engine temperature.

Try this and let me know what you find.

Joe