Your neutral safety switch-try putting car in neutral and trying it
The small purple wire on the "S" terminal of an older GM vehicle starter would lead to the ignition switch. With the key in the start (crank) position, the purple wire signals the starter solenoid to engage the starter.
Ignition switch lock cylinder
By energizing the post on your starter with one clamp and your battery's positive terminal with the other clamp, when you push the button, the starter will turn using an "old school" remote starter switch. You still need to energize the ignition system to cause vehicle to start and fuel to flow, defeat any interlocks or ignition disablers that may be in place from alarm systems before it will start.
Starter, battery, battery connections, neutral switch,
an ignition switch or starter is a switch that activates the main electrical systems of a vehicle. This normally powers the start motor that turns the engine in the starting up process. . Most vehicles do not have an ignition switch anymore the key in the cylinder acts as the "switch"
if the starter is not spinning and the truck motor is running
Bad neutral or clutch safety switch? Bad starter? bad starter solenoid?
2 screws on the opposite side of ignition unplug the switch dash board cover off
Defective Starter solenoid or ignition switch. Ignition switch is bad.
It sends a power to the starter relay/solenoid to engauge the starter. Know that the ignition switch is not what you put the key in and turn. That is the lock assembly. The ignition switch is located lower down on the steering column.
It is probably caused by the ignition switch internals shifting (I had a similar problem before) and it turned out to be the ignition switch)
need to change ignition switch
You have a starter/ignition switch mounted in the steering column and you have a starter solenoid switch that is mounted to the starter.
Chevy Tahoe Ignition Key Starter Switch
Yes, the ignition switch must be in the ignition position -not- the accessory position.
ignition starter switch