This is the 1936 14th Series 120 Wire Diagram

This is the 1936 14th Series 120, Super Eight, and Twelve Wire Diagrams

This is the 1937 15th Series 120, Super Eight and Twelve Wire Diagrams

This is the 1938 16th Series Six, Super Eight, and Twelve Wire Diagrams.

This is the 1939 17th Series Six, Super Eight, and Twelve Wire Diagrams.

This is the 1940 18th Series 110-120 Wire Diagrams

This is the 1940 18th Series 160, 180 Wire Diagrams.

This is the 1941 19th Series Wire Diagram (Non-Clipper Models)

This is the 1941 19th Series Clipper Wire Diagrams

This is the 1942 20th Series Wire Diagrams.

This is the 1947 21st Series Taxi Wire Diagrams.

1947 Packard Wiring Diagram

This is the 1948-49 22nd Series Taxi and Long Wheel Base Wire Diagram taken from the Service Counselors.

This is the 1948-49 22nd Series Wire Diagrams.

This is the 1949-50 23rd Series Wire Diagram set.

This is the 1951 24th Series Wire Diagrams

This is the 1951-1956 Turn Signal Wire Diagram.

This is the 1952 25th Series Wire Diagram.

This is the 1953 26th Series Wire Diagrams.

This is the 1954 54th Series Wire Diagrams.

Here is a redrawn color diagram covering all models from 1954. This took me 30+ hours to draw, color, and fix mistakes. This is a vector based PDF that will print very nice at any size.

This is the 1955 55th Series Wire Diagrams.

This is the wire diagram for the 1955-1956 Packard 472048 Radio.

This is the 1955-1956 Torsion Level Wire Diagram.

This is the 1956 56th Series Wire Diagrams.

This is the 1957 Packard Clipper Wire Diagrams.

This is the 1958 Packard Wire Diagrams.

These are various 1932-1935 (9th - 12th Series) Wire Diagrams.

I created this diagram to show how to hook up the headlights to run off of relays. This has a couple of benefits:

1) It allows for the use of higher output headlights
2) It reduces the strain on the dimmer switch, headlight switch, and main harness.
3) Your existing headlights will be brighter as the wire path will be shorter.