Dual CP3 problems

[Michigan_LMM]

I just installed a WC fab dual cp3 kit and keep blowing the inline fuse of the harness. Have checked all wires, connections and power/ground. Anyone got any ideas or experienced this before? Or should I look at getting a new harness?

 

[diesel-max]

Was it onto a new cp3? Or a known running one?.. I've toasted several boxes with a pump that had a bad regulator.

 

[Michigan_LMM]

Was thought to be a good running pump but I'll look into it. Thanks

 

[Michigan_LMM]

Bumping this back up to the top with a new problem. Put a new harness on after finding out it was shorting out due to corrosion. Now it is not blowing the fuse but when everything is plugged in and both CP3s have power it will not start. If I unplug the harness it will start at max rail pressure. Any ideas? My next step is a regulator on the second pump but trying not to just throw parts at it.

 

[Dmax_Ben]

Bumping this back up to the top with a new problem. Put a new harness on after finding out it was shorting out due to corrosion. Now it is not blowing the fuse but when everything is plugged in and both CP3s have power it will not start. If I unplug the harness it will start at max rail pressure. Any ideas? My next step is a regulator on the second pump but trying not to just throw parts at it.

Where is your ground for the controller?


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