No power to starter

Just pushed the starter and zero power,
key in and turned on,
push starter is fine,
No clicking from starter,
Got power in and out of starter button when pushed,
5mb engine has the starter got the small wire as well as +ve and -ve,
Rest of electrics work,
Could the prs3 switch have packed up, if so should I check the power out terminal.
Thanks

Possibly bad earth. The starter takes quite a whack of power, so a good earth is necessary. Start by cleaning all the connections and make sure the battery is good.

Col

It’s all been working perfect, it just lost all electric as I pushed the starter. Battery and earth and all connections are good.
Would you know if the starter has the small wire connected?
Thanks

Have a read of attached , most things work till they develop a fault.

If its diesel the starter will have a red/white wire to the solenoid, pull it off and make up a lenght of wire with a spade and connect it up and touch the other end to the +ve battery post. if its a switch problem then it should spin if not its something else.