Adam Dickson

Panel connector 4 - HDP20 18-8

Use Deutsche HDP20 18-8 connector

Panel mount receptacle should have female contacts

Size 12 contacts - 8 available

  • regulator output (also connects to 22000uF capacitor) - 1 wire 14 AWG
  • overall ground return wire - 1 (or 2) wire 12 AWG
  • 12V supply from battery - 1 (or 2) wire 10 AWG (or 12 AWG)
  • ground from battery/grounding point on firewall - 1 wire 10 AWG (or 12 AWG)

6 size 12 wires in all, 8 available.

Parts List

  • 1 x HDP24-18-08SE receptacle with female contacts, E-seal
  • 1 x HDP26-18-08PE plug with male contacts, E-seal
  • 8 x 0460-204-12141 size 12 pin, nickel (for 12,14 AWG)
  • 8 x 0462-203-12141 size 12 socket, nickel (for 12,14 AWG)
  • 1 x 2414-002-1886 Lockwasher Wave S-Steel Shell Size 18
  • 1 x 2411-002-1805 Nut Plastic Shell Size 18


UPDATE 250620:

Due to difficulty in obtaining HDP24-18 E-seal connectors, this connector has been dropped from the design. Instead an in-line cable connector will be used, a 4-way DTP E-seal connector. The support for the external alternator will be dropped.

  • regulator output (also connects to 22000uF capacitor) - 1 wire 14 AWG
  • overall ground return wire - 1 (or 2) wire 12 AWG
  • 12V supply from battery - 1 (or 2) wire 10 AWG (or 12 AWG)

Revised Parts List

  • 1 x DTP06-4S-C015 plug for socket contacts, E-seal
  • 1 x DTP04-4P-C015 receptacle for pin contacts, e-seal
  • 4 x 0460-204-12141 size 12 pin, nickel (for 12,14 AWG)
  • 4 x 0462-203-12141 size 12 socket, nickel (for 12,14 AWG)
  • 1 x WP-4S wedge
  • 1 x WP-4P wedge



This post is from Adam Dickson