1974 Plymouth Duster no power through bulkhead.
IIRC Mymopar doesn't have the '74 Shop manuals but they may have the extracts of the wiring diagrams included in the Wiring diagram zip file. I say that because I have a digital copy on my computer/
Yes the wiper connector also has the backup lights and key to starter relay wire.
When reading the factory diagrams.
R is for alteRnator wires
A is code for bAttery wire
J is code for Ignition (interpret that loosely). J2 is Ignition Run and engine related including alternator feed. J3 is Ignition Start.
L is for lights
H is for Horn
B is Backup
S is Starter
V is Wipers
S is for Start and since yours is a '74, the seatbelt interlock made the start circuits more complicated.
There's a 1974 Master Tech filmstrip and booklet about using the new style of diagrams and explains all of the wire codes.
pdf version here: Browse MTSC by Model Year – 1974 – MyMopar
Use the wiring diagram to make your own drawing of the circuit(s) you are interested in.
Complete descriptive listing of the Master Booklets and films is here:
Master Technician Service Conference - Chrysler's Training for Mechanics
Once you know the year to look under you may want to go to back to the mymopar website to view them in pdf format.
IIRC Mymopar doesn't have the '74 Shop manuals but they may have the extracts of the wiring diagrams included in the Wiring diagram zip file. I say that because I have a digital copy on my computer/
Yes the wiper connector also has the backup lights and key to starter relay wire.
When reading the factory diagrams.
R is for alteRnator wires
A is code for bAttery wire
J is code for Ignition (interpret that loosely). J2 is Ignition Run and engine related including alternator feed. J3 is Ignition Start.
L is for lights
H is for Horn
B is Backup
S is Starter
V is Wipers
S is for Start and since yours is a '74, the seatbelt interlock made the start circuits more complicated.
There's a 1974 Master Tech filmstrip and booklet about using the new style of diagrams and explains all of the wire codes.
pdf version here: Browse MTSC by Model Year – 1974 – MyMopar
Use the wiring diagram to make your own drawing of the circuit(s) you are interested in.
Complete descriptive listing of the Master Booklets and films is here:
Master Technician Service Conference - Chrysler's Training for Mechanics
Once you know the year to look under you may want to go to back to the mymopar website to view them in pdf format.