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Thing Wiring Diagrams
Contributions to this section are always welcome

  • Right click on the diagram/key/fuse box you want to download
  • Select "Save Link As" or Save Target As" from the pop-up menu
  • Save the diagram to your hard drive, remember where you put it!
  • Open the diagram on your computer with an image program
Please Note: Some of the fuse boxes pictured in the diagrams are
rotated 180 degrees from how they actually mount in the car
For additional Wiring Diagrams info, see Electrical System (E) in the Technical Bulletins Index.
For wire sizes, also see Wiring size conversion chart - German mm to USA AWG
Also see Understanding European Wiring Diagrams from Motor Magazine

Year Diagram Key Fuse box Comments
1973   Translation of the newer style current flow diagram into the older style component-based diagram
PDF files
      Tail light wiring
Differences between the tail light wiring of US Things vs. their European counterparts
PDF file
1973     Current flow diagram
PDF file
      How to Read Current Flow diagrams
PDF file
?     Wiring Works colors
Color code listing
Steering column


Other wiring diagrams
Diagram Comments
Emergency Flasher Switch Detail (Two versions)
Current flow diagram for the BN-4 as it applies specifically to Things. Taken from the 7th service manual supplement, dated 3.73.
Component based wiring diagram translated from the above current flow diagram
Wiring diagram for generator to alternator conversion, for use with alternators with an internal voltage regulator.
BN-4 Ladder Diagram describing the functions and relationships of various BN-4 heater components
Thing-specific diagram of the Fuel Evaporation Control System including the expansion tank, activated charcoal filter, etc., with a brief explanation of its workings and approximate location of the components on the vehicle.
Dual Circuit Brake Switches and Warning Light Diagram

Contributors to this page include Captain Spalding and Michael Basso

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