Re: Sizing a capacitor?

Before you post any more, may I recommend the use of paragraphs to
break up
acres of solid text. I find it virtually unreadable.
Sorry, will do.

I would check for lack of ground straps.
It sounds like you are created a current path through the
engine block or radiator etc. the Sensors of the electronics
for the controller maybe getting nulled out.

The engine has a ground strap to the truck fire wall. The fan
controller is grounded to the frame at a pretty good location. With
the problem still there, I tried a new ground location: water meth
controller was powered and grounded to a completely separate battery
directly and the battery was not grounded to the truck.

Should I try a different place? Currently, since completely isolating
the power and ground via a completely separate battery for the water/
meth did not work I have moved the fan controller ground, water/meth
ground, and controller ground back to the radiator mount which is
reported by truck owners as a very good place to ground to.

Run all the circuits off separate relays.
There are no relays that I know of in the system. The water/meth
controller is powered from a key on location for power. It was
powered directly off a completely (second) separate battery. Neither
location had any effect. The fan system doesn't have any relays that
I know of. I believe the controller itself has the switching
mechanism in it.

It might also help to add a capacitor across each of the
motors, right at the fan, and also to add one from each
terminal to the motor frame, but that is a lot more invasive
than adding the beads, so it would be my second try.
I'll try those magnet things. Any chance radio shack or some local
store will carry them or should I order off the internet?
Also, what size and type capacitors should I get? I have no idea.

.

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