Not starting, New starter, rapid claicking and "Er 1u" code

[Surfcast23]

Sounds like you're on the right track. It wouldn't be hard to make your own and give it a try. Have you tried checking the power wire at the starter with a test light? It should be very bright. If the ground is not clean, that can cause a similar problem. May be a dumb question, but did you connect the power wire to the correct terminal on the starter?

 

have not tried checking the power at the starter. I have a multimeter and can check it with that, what voltage am I looking for?

Also what fuse should I be looking at?

[08SpecB_DE]

Battery voltage at the starter. I always check all fuses.

[apexi]

I wonder what the voltage at the starter is when cranking, but this is a little outside my comfort zone.