Ballast pump wiring

[Cek1]

Does anyone know where the fill pump wires go to? I’ll find out tomorrow but am trying to troubleshoot tonight. One of my pumps does not have power going to it? Starboard rear pump. Zx5

Thank for any info.

[KoolAid]

I sent the dealer info this morning. Power comes straight from the PDM's. Port PDM powers the port pumps and starboard PDM powers the starboard pumps. The fill pumps all share a ground on one ring terminal at the engine. I would verify you have a good ground at the pump before you dig too far into it. May have lost one of the wires at the ring terminal which would knock out a pump.

I assume it is one of the four rear fill pumps you are having issues with.

[Cek1]

Thank you. I received the email. I’m thinking it’s a ground also. Do you know where the ring terminal is on the engine? Make it easier for me to find when I get home.

[Cek1]

It was a bad pump. All fixed. Thanks for the help.