Prodigy Brake controller settings

Submitted: Friday, Aug 14, 2009 at 03:26
ThreadID: 125945 Views:3483 Replies:1 FollowUps:2
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Whilst I had the van jacked up checking wheels the other day found the Prodigy was not working with the foot brake, but was with the hand controller. (so the electrical connection from controller to brakes must be ok)

Controller was at Boost2 setting, with the voltage at 6.0 on the hand control, but only 1.6, dropping to 0.8 volts after a few seconds, when applying brakes with the foot brake.

The wheels still spun with the foot brake on.

Took car to an auto electrician and he rewired prodigy, using 6mm cable as recommended by BT then hooked up to another BTand still got similar readings.

Still had similar results with temporary fitting of a new Prodigy, so it does not seem to be my controller.

Have found that I can get foot brake to stop the wheels of a jacked up van at a setting of 9.0 v on hand control, which drops to 2.4 and after a few seconds, to 1.2 volts. On the road at these settings the brakes seem to "Grab" and work harder than they should.

When installed 4+ years ago the controller worked well with foot brake at 6.0v setting, as suggested in prodigy manual.

Auto electrician felt the foot brake application should read same as hand control, ie, 6.0 volts in this case.

Do others get the same voltage difference between hand and foot controls?

Would be interested to hear your thoughts.

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Reply By: Turist - Friday, Aug 14, 2009 at 07:56

Friday, Aug 14, 2009 at 07:56
You will have virtually no braking affect with the foot brake while the van is stationary, only with the hand controller.

The Prodigy needs to sense deceleration to send voltage to the brake magnets when foot brake is applied.

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Follow Up By: Taj Mah Tracker - Friday, Aug 14, 2009 at 19:49

Friday, Aug 14, 2009 at 19:49
Thanks for that info Bob.
For some reason I had thought that deceleration sensing only applied to the Hayman Reece type of brake controllers and that Prodigy had some system that was independent of deceleration sensing.
Thanks again, it puts my mind at rest.
See you at the muster.

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Follow Up By: Noosa Fox - Friday, Aug 14, 2009 at 20:41

Friday, Aug 14, 2009 at 20:41

You win the poor dumb bastard award this week.

It is good to be able to pass it on to someone else.

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