What does crank fuse mean?
The CRANK fuse will only have power when the engine is cranking(start portion of ignition switch). Power flows through the ignition switch in the start position, through the neutral switch(manual)to the starter and crank fuse then to the ECM from the crank fuse. It is a 5A fuse in the fuse block.
What is Illum fuse?
The ILLUM 10 Amp fuse that is located on the internal fuse block is blowing. It does not always blow right away. It is a 10 amp fuse labled in the WH manual as ILLUM protecting the Instrument Panel Cluster, Audio Alarm, Body Builder Feed.
What does a run relay do?
It is usually located in the fuse and relay panel beneath the hood, and is responsible for providing power to the vehicle’s ignition system, and some of the fuel system’s components. When the relay fails or has an issue it can cause major problems with the operation of the vehicle.
Why does my GM car say no start no crank?
How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.
How can I jump start my Chevy C5500?
1. Battery positive wires to touch the heatsink of the TCM [e.g.When jump starting vehicle] 2. Positive battery power chassis harness wire to pin 10 and pin 70 of the TCM to be wired without fuse protection of 10-15 amps. 3. Physical contact between heatsink and vehicle chassis or other ground circuit points.
Can a 2006 Chevy C5500 start without a key?
I have a 2006 Chevy C5500 with the duramax. Its a bus and I am going to turn it into a dump truck….hopefully. My issue as i said is no crank no start from the key. I was able to get it started by turning the key on and crossing a screwdriver over the terminals on the starter but I am not able to start it with the key.
Why does my Chevy C5500 have no crank?
It has no crank not start once you hit the key. Replaced the starter same issue, fuses look good. We did get it to start but by bumping the terminals on the starter with a screw driver. Any thought on what could be going on?