Field AH-5 Height Controller for UZZ31

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Although 3rd party height controllers such as the Field AH-5 are readily available for UZZ31 Soarers, they do not appear to be compatible with UZZ32 Soarers.

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Field AH-5 rear.jpg
Field AH-5 top.jpg
Field AH-5 Harness photo 1.jpg
Field AH-5 Harness photo 2.jpg
Field AH-5 Harness photo 3.jpg
Field AH-5 Harness photo 4.jpg
Field AH-5 Harness photo 5.jpg
Field AH-5 Harness photo 6.jpg
Field AH-5 Harness photo 7.jpg
Field AH-5 Harness photo 8.jpg
Field AH-5 Harness photo 9.jpg
Field AH-5 Harness photo 10.jpg
Field AH-5 Harness photo 11.jpg
Suspension ECU pinouts.jpg
Field AH-5 IC photo 1.jpg
Field AH-5 IC photo 2.jpg
Field AH-5 IC photo 3.jpg

Wiring appears to consist of:

  • 4 inputs
  • 4 outputs
  • power
  • ground

Power and ground pins are spliced into the existing circuit. The others appear to be a case of diverting the 4 x sensor inputs into the controller and then sending the (modified) values into the Soarer's suspension controller.

  • PIN B2 (Purple wire) - SHFR = Suspension Height Front Right ?
  • PIN B3 (Pink wire) - SHRR = Suspension Height Rear Right ?
  • PIN B10 (Green wire) - SHFL = Suspension Height Front Left?
  • PIN B11 (Blue wire) - SHRL = Suspension Height Rear Left ?
  • PIN A14 (Black wire) - assumed to be earth but does not seem to match with diagram
  • PIN A8 (Red wire) - assumed to be ignition but does not seem to match with diagram

All other wires appear to be straight pass-through for connectors A and B, except for the handful of pins (A7, A18, A19, A21 and B4) that are not used. Connectors C and D are not used at all by this controller.

References that may assist those considering building their own controllers include: